1Laboratory for Interfaces, Soft Matter, and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland.
2IBM Research–Zurich, Säumerstrasse 4, 8803 Rüschlikon, Switzerland.
Laboratory for Interfaces, Soft Matter, and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland.IBM Research–Zurich, Säumerstrasse 4, 8803 Rüschlikon, Switzerland.
Laboratory for Interfaces, Soft Matter, and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland.
IBM Research–Zurich, Säumerstrasse 4, 8803 Rüschlikon, Switzerland.
Colloidal particles have long been used as model systems to investigate the fundamental properties of materials (1) and as building blocks for spontaneous and directed assembly (2–4). The quest to mimic nature's complexity in the range of achievable structures beyond isotropic systems requires colloids with directional and specific interactions (5, 6) and has prompted tremendous efforts in particle synthesis and fabrication (7–9). In the (sub)micrometer range, the most successful systems to date are patchy particles (that is, colloids with heterogeneous surface regions in predetermined positions), which have successfully been used to assemble structures resembling simple molecules (10, 11), responsive filaments (12), and complex lattices (13). However, most current fabrication strategies for patchy colloids (8, 14, 15) suffer from a significant limitation—particle geometry, composition, and functionality cannot be controlled independently at will. Ultimately, highly complex superstructures require more information encoded in their colloidal building blocks.
Here, we demonstrate a new bottom-up method termed "sequential capillarity-assisted particle assembly" (sCAPA) that uniquely overcomes these limitations. Traditional capillarity-assisted particle assembly (CAPA) works by moving the meniscus of an aqueous colloidal suspension droplet over a topographical template, whereby capillary forces at the meniscus place the particles into designated positions (16–18). The method is most commonly used as a patterning tool, in which complex templates with specific structures are used to assemble and, optionally, transfer (by printing) particle patterns for applications in nanoelectronics (19, 20), sensing (21), plasmonics (22, 23), and nanopatterning (17, 24). Here, we turn the method into a novel and flexible tool for the synthesis of fully programmable and multifunctional colloidal clusters ("colloidal molecules") by exploiting a series of simple, yet essential, adaptations to the state of the art.
In CAPA, the geometry of the traps (both depth and lateral shape and size) typically closely matches the geometry of the target structures to ensure complete filling with high efficiency. Tuning the number of different kinds of particles assembled in a single trap is a more complicated task—only achieved, until recently, in successive steps using smaller (16) or differently shaped (23) particles to fill interstices. Encoding the composition by such methods is typically limited to binary systems, either due to constraints in the fabrication of complex-shaped templates to place many levels of differently sized and shaped particles in specific positions or due to the formation of unspecific multiple layers when using smaller particles over prefilled assembly sites.
We recently found that, in addition to manipulating its lateral size and shape, tuning the trap depth and the surface tension of the aqueous droplet enables robust control of the number of particles assembled in single deposition steps (25). Consequently, there is a new, accurate route to reprogramming the composition of the structures deposited in a single trap by refilling it with different particles.
The control of the number of assembled particles in each deposition is the result of the interplay between the trap geometry and the forces acting on the particles in the trap. As schematically shown in Fig. 1A, the front particle (particle 1) interacts first with the moving meniscus and then experiences a downward capillary force Fc perpendicular to the meniscus. This force is partly transmitted to the rear particle (particle 2) and can lead to an upward force F′c in the presence of small vertical displacements, which can push particle 2 out of the trap during further retraction of the meniscus. The effect of the upward force F′c can be conveniently increased by reducing the trap depth (or vice versa, reduced using deeper traps) for a given surface tension. More details on a mechanical model describing this process can be found in the study by Ni et al. (25). Consequently, we can selectively assemble single particles when the trap is shallow (d ≈ r, where d is trap depth and r is particle radius), whereas the trap is completely filled for larger depths (d ≈ 2r). A crucial finding, which defines the core principle of sCAPA, is that only a single particle is assembled in each deposition step, even in complex traps, as illustrated for the first step of the filling of long traps as well as for triangular traps in Fig. 1 (B and C, respectively). Drying causes strong adhesion to the template such that already assembled particles do not leave the traps and the remaining space can be filled with new particles one at a time, in which case the last preassembled particle defines a new trap geometry. This new concept enables complete encoding of the composition beyond binary systems and does not require any specific surface chemistry of the assembled particles. Here, we demonstrate the potential of sCAPA as a synthesis method by fabricating hybrid colloidal molecules ranging from dumbbells and triangles to particles resembling bar codes, block copolymers, surfactants, and three-dimensional (3D) chiral objects, with precise compositional and material programmability in each step. The geometry of the template defines the molecule shape independently of its composition, which is controlled by choosing the particle(s) to be deposited in each step. After deposition, the clusters are mechanically linked, harvested, and dispersed in solution.
Fig. 1 Working principle of depositing a single particle in a large trap.
(A) Scheme of the assembly in rectangular traps (1.2 × 2.2 μm2), with the trap depth d approximately equal to the particle radius r (d = 510 nm, r = 500 nm). The zoom shows the front particle (particle 1) experiencing a downward capillary force Fc perpendicular to the meniscus. The force Fc partly transmits to the rear particle (particle 2), leading to an upward force F′c in the presence of a small vertical displacement, which pushes particle 2 out of the trap. Eventually, only particle 1 is assembled in the trap. (B and C) Trapping only a single particle is also found in 10-μm-long traps (B) and in triangular traps (C). The insets to (B) and (C) are the corresponding scanning electron microscopy (SEM) images. Scale bars, 5 μm (B and C) and 2 μm (insets to B and C).
Here, sCAPA is applied to the preparation of a variety of complex-shaped, multifunctional colloidal molecules. Unless otherwise specified, the following experimental parameters are used in all depositions. The spherical particles used are 1.0 μm in diameter, and the depth of all traps, fabricated in silicone elastomer [poly(dimethylsiloxane) (PDMS)] templates, is optimized to be approximately equivalent to the particle radius (510 ± 10 nm) (25). A surfactant mixture (0.1 mM SDS + 0.01 wt %Triton X-45), providing a water-air surface tension of ~29 mN m−1, is used (for more details, see Materials and Methods).
We first use sCAPA to assemble programmable linear clusters by sequentially depositing different particles one by one in line-shaped traps, as schematically shown in Fig. 2A. Lines of different dimensions were used, with a fixed width close to the particle diameter and varying lengths on the order of several particle diameters (see Materials and Methods). The meniscus was positioned perpendicular to the long axis of the traps and moved in the direction of their long axis.
Fig. 2 One-dimensional linear colloidal chains assembled by sCAPA.
(A) Scheme illustrating the stepwise sequence for fabricating multicomponent colloidal chains. (B to E) One-dimensional linear PS colloidal chains assembled using different particles and sequences, resembling bar-code chains (B and C), block copolymers (D), and surfactants (E) (merged fluorescence images). The insets show the specific assembly sequence and directions in each case. Note that in the assembly of surfactant-like colloidal chains, the assembly direction was rotated by ~80° for the second step (inset to E). Scale bars, 5 μm (B and C) and 10 μm (D and E).
Figure 2 (B and C) shows green-red-blue (G-R-B) and blue-green-red-blue (B-G-R-B) bar-code–like colloidal chains, in which we sequentially assembled different fluorescent polystyrene (PS) particles three and four times, respectively (SEM images are reproduced in fig. S1, A and B). The yield for both depositions reaches 83% over an area of several tens of square millimeters. The numbers of particle clusters and the throughput can be scaled up by increasing the size of the template or by using parallel depositions (26), as discussed later. The number of possible sequences (MN, where M is the number of available particle types and N is the trap length/particle diameter) increases significantly with trap length. Figure 2D shows GGG-RRR (G, green; R, red) chains whose composition is precisely encoded in each of the six assembly steps, creating an architecture analogous to that of block copolymers.
Selectivity in the number of trapped colloids also enables precise control of the composition by tuning the orientation of the moving meniscus relative to the trap direction. We fabricated surfactant-like colloidal chains (Fig. 2E) with a single head particle followed by a tail composed of different PS particles (SEM image in fig. S1C). The first deposition step, which selectively placed a single head particle in each trap, was performed with the meniscus moving in the direction of the trap long axis, as described above (see movie S1). Then, the second assembly step was performed after turning the template by ~80° relative to the first one so that all the particles forming the long tails could be deposited at once (movie S2 and inset to Fig. 3A). The second assembly step led to a certain degree of polydispersity in the tail length or even to the absence of contact between the head and the tail (Fig. 3), caused by the varying local assembly direction along the curved contact line of the meniscus (Fig. 3A). Although this curvature has only little influence on the bar code and block copolymer colloidal chains assembled one by one, it does affect the simultaneous assembly of multiple particles in the tails. The tail is longer when the contact line is more parallel to the long axis, whereas steeper angles lead to shorter chains (Fig. 3, B to D and F). In the extreme case where the droplet contact line forms a negative angle with the long axis of the trap, the tail particles are pushed into the opposite end of the trap, away from the previously assembled head particle. In this case, the tail and the head remain separated (Fig. 3E), and the particles cannot be linked and harvested. These issues can be overcome by appropriately engineering the shape of the meniscus and the orientation of the traps. A straight contact line over the entire template is the ideal solution, which could be achieved, for instance, by using a microfluidic chip to confine the moving droplet and continuously supply the suspension to the assembly front (27). The assembly of colloidal surfactants demonstrates nonetheless that changing the orientation of the traps enables additional control of the deposition of complex structures, which is crucial to the next step described below.
Fig. 3 Polydispersity in the tail length of surfactant-like colloidal chains.
(A) Fluorescence image of the second assembly step for the formation of surfactant-like chains, demonstrating the variability of the local assembly direction caused by the curvature of the moving droplet. The inset shows the orientation of the traps. Scale bar, 200 μm. (B to E) Merged fluorescence images taken at different positions along the contact line. The arrows in the insets schematically represent the local assembly direction relative to the traps. Scale bars, 5 μm. (F) Histograms of the distribution of tail lengths, that is, the number of particles in the tail corresponding to cases 1, 2, and 3 shown in (B) to (D). For each histogram, 140 colloidal molecules were analyzed. (E) There is no tail-length count for position 4 because, in that case, most tails are pushed to the opposite end of the trap, leaving a gap between the "head" and the "tail" particles.
sCAPA can also be applied on traps that are not line-shaped for assembling clusters with different planar geometries. Using templates with triangle-shaped traps, we carried out three consecutive assembly steps to place three different particles in each corner of the traps, as schematically illustrated in Fig. 4A. The arrows in Fig. 4A represent the local assembly direction (that is, the direction in which the meniscus moves). The size of the trap influences both the yield and the structure of the assembled trimers. The yield of the trimers was between 82 and 89% once the traps were large enough to accommodate three particles (see Fig. 4, B and C, and fig. S2). Trimers can either be close-packed (Fig. 4D) or separated (Fig. 4E) by increasing the size of the trap. Moreover, the separated trimers offer the possibility to go beyond planar cluster geometries and to prepare 3D colloidal clusters by placing a fourth, smaller particle on top. Figure 4F shows such an assembly strategy, in which three already assembled particles defined a new trapping site for the fourth one. Figure 4G shows the overlay of fluorescence and bright-field images, in which the bright spots in the center of the triangles indicate the presence of a fourth particle with a 0.78-μm diameter. Figure 4H shows the corresponding SEM image with a 45° incident angle, illustrating that the fourth particle sits in the middle of the cluster and off the plane of the previously assembled particles. Furthermore, by controlling the deposition sequence, 3D clusters with either clockwise or counterclockwise chiral symmetry can be constructed.
Fig. 4 Two-dimensional and 3D PS colloidal molecules assembled by sCAPA.
(A) Scheme showing local sequential assembly directions. (B and C) Yield of colloidal trimers with three different lobes (B) in traps of different sizes (C). The numbers on top of the columns in (B) correspond to the numbers assigned to the traps in (C). D indicates the diameter of the circle inscribed to the triangular trap. (D and E) Merged fluorescence images of close-packed (D) and separated (E) colloidal trimers with three different lobes. Insets depict the corresponding SEM micrographs. (F to H) Three-dimensional chiral clusters with four different lobes. (F) Scheme of assembly steps and directions. (G) Overlay of fluorescence and bright-field images. (H) SEM micrograph with a 45° incident angle. Scale bars, 5 μm.
An additional strength of the presented technique is that it does not rely on any specific chemistry or material properties, which makes it possible to assemble a wide variety of materials. We sequentially assembled amine- and carboxylate-functionalized PS particles and silica particles, with or without magnetic properties, into different combinations using line and triangle traps, as shown in Fig. 5 (A to H). Chemically asymmetric dumbbells (Fig. 5, A and B) can be assembled with an approximate yield of 95% over a pattern area of 5 × 12 mm2, corresponding to ~1.5 million dumbbells (see the example of amine PS/carboxylate PS dumbbells in fig. S3). Moreover, we prepared longer multifunctional chains (Fig. 5, C and D, and fig. S4), colloidal surfactants with a magnetic particle as head and PS particles in the tail (Fig. 5, E and F), and trimers with a magnetic particle and two different fluorescent PS particles (Fig. 5, G and H).
Fig. 5 Multimaterial linear and nonlinear clusters.
(A and B) Asymmetric dumbbells assembled from carboxylate PS/amine PS (merged fluorescence image) (A) and from PS and SiO2 (overlay of fluorescence and bright-field image) (B). (C and D) Three-particle colloidal chains with a magnetic SiO2 particle (left), a PS particle (middle), and a nonfunctionalized SiO2 particle (right) [energy-dispersive x-ray (EDX) spectroscopy; see fig. S4]. Overlay of a fluorescence image with a bright-field image on the template (C) and SEM image after the printing of the particles onto a silicon substrate (D). (E and F) Surfactant-like colloidal chains with a magnetic SiO2 particle followed by a tail of PS particles. Overlay of a fluorescence image with a bright-field image on the template (E) and SEM image after the printing of the particles onto a silicon substrate (F). (G and H) Trimers with a magnetic particle and two different PS particles. Overlay of a fluorescence image with a bright-field image on the template (G) and SEM image after the printing of the particles onto a silicon substrate (H). Scale bars, 5 μm.
For further applications, the assembled colloidal clusters need to be released from the template after sCAPA. Figure 6 schematically shows the harvesting process. After assembly, the clusters are first linked mechanically via a sintering step at a temperature below the glass transition temperature (Tg) of bulk PS, which melts the particles together at the surface where they are in contact, without entirely deforming them (see Fig. 6 and fig. S5). In the multimaterial clusters, the PS particles act as an adhesive linking the inorganic particles. Finally, for the harvesting of the linked clusters from the template, we developed a place-and-pick method that features a targeted, chemical-free, and high-yield transfer (see Fig. 6 and fig. S6). The process works by placing and freezing a small water droplet (20 μl) on the area of interest; the frozen droplet is subsequently picked up from the surface and stored. In this process, the clusters are embedded in ice upon freezing of the water droplet, resulting in strong adhesion and possibly mechanical interlocking, which enables detachment from the template.
Fig. 6 Scheme of the harvesting process.
The SEM image shows a linked PS-PS dumbbell in a trap on the template. Scale bar, 1 μm. The micrograph shows the frozen water droplet attached to a micropipette tip.
Figure 7 (A to C) shows harvested and dried R-G PS dumbbells and R-G-B PS bar-code chains and trimers, respectively. Figure 7D shows snapshots of colloidal surfactants with PS tails that are one particle (left), three particles (middle), and seven particles (right) long and have a magnetic silica head that are dispersed in water and undergoing Brownian motion (movies S3 to S5). The magnetic head allows the actuation of the clusters with external fields, in either rotation, oscillation, or translation mode (movies S6 to S8), offering new possibilities of manipulating these multicomponent colloids for directed assembly (28) or delivery applications (29, 30).
(A to C) Merged fluorescence images of harvested and dried R-G PS dumbbells (A), R-B-G PS three-particle chains (B), and R-G-B PS three-particle trimers (C) on silicon substrates. (D) Snapshots of colloidal surfactants with PS tails that are one particle (left), three particles (middle), and seven particles (right) long and have a magnetic head. The clusters are in solution and undergo Brownian motion. The images were captured by combining the fluorescence and transmission channels. Scale bars, 5 μm.
In conclusion, we presented a simple concept to fabricate a large range of multifunctional and programmable colloidal molecules by means of sequential capillary assembly over topographical templates. Tuning the trap geometry, and especially its depth around the particle radius for a given surface tension of the suspension, enables the selective stepwise filling of the traps with any predefined sequence. Changing the orientation of the droplet motion relative to the trap makes it also possible to fabricate 1D, 2D, and 3D colloidal molecules.
The method lends itself to producing sufficient amounts of colloidal molecules to not only to perform single-molecule studies but also to look at the assembly and collective effects of such colloidal molecules. As previously mentioned for difunctional dumbbells, in a typical experiment, we can assemble on the order of 1 × 106 colloidal molecules on a template area of 5 × 12 mm2. In the case of dumbbells, this corresponds to a densely packed monolayer of approximately 2 mm2 (assuming that the dumbbells are lying flat), amply sufficient, for instance, for studies of particle monolayers at fluid interfaces or the collective behavior of particle assemblies confined by external fields (31).
Typical time scales for sCAPA are on the order of 100 min per deposition step, using a deposition speed of 2 μm s−1. The sintering and harvesting steps only take a few minutes and are not rate-limiting. For higher throughput, the template area can be easily enlarged, the assembly speed can be increased (5 to 20 μm s−1, depending on the type of particle), and microfluidic devices (26, 27) can be used to parallelize the assembly process. With these optimizations, we envisage that batches of up to 1 × 108 molecules could be produced within similar times. The building blocks demonstrated in this report constitute only the surface of a library of programmable and multifunctional colloidal clusters that may attract interest in a range of fundamental and applied fields, as discussed below.
The capability of encoding particle sequences in 1D linear colloidal chains enables the fabrication of a variety of anisotropic particles acting as building blocks for responsive assembly (32, 33), which has the potential for object recognition through lock-and-key of complementary sequences. It may be used to create bar-code particles for multiplex assays (34, 35). Surfactant-like chains with tunable heads and tails can be used as models to shed light on the assembly of molecular surfactants at the single-molecule level or to help answer open questions regarding the wetting, orientation, and dynamics of asymmetric colloids at fluid interfaces (36, 37). Two-dimensional triangular clusters with three differently labeled lobes could be used as precise tracers for 3D particle tracking to extract the full rotational and translational dynamics in complex environments (38). Multifunctional 3D tetramers may finally be used to direct the assembly of complex lattices for optical materials (39, 40). In addition, the new options provided by sCAPA are likely to attract interest from the numerical simulations community because, with sCAPA, one can now realize real particles that are close to idealized models and whose design can be directed to obtain target structures. Other interesting new directions could be the inclusion of soft particles as linkers, to produce molecules with internal degrees of freedom, and extension to the deposition of hydrophobic particles from organic solvents, to further broaden the range of moieties in colloidal molecules produced by sCAPA. Given the flexibility in the design of trap geometries and the fast progress in particle synthesis, more complex colloidal molecules are expected in the future, which will be a powerful tool not only for assembling complex materials and studying their properties at the single-molecule level but also for fabricating new microscale devices for sensing (41), patterning (42), and delivery applications (29).
Fluorescent PS particles with a diameter of 1 μm (red, R0100; green, G0100; blue, B0100; polydispersity < 5%), nonfluorescent PS particles with a diameter of 0.78 μm (W080C-002; polydispersity < 5%), and plain silica particles with a diameter of 1 μm (8100; polydispersity < 5%) were purchased from Thermo Scientific. Magnetic particles (iron oxide nanoparticles in a silica matrix) with a diameter of 0.96 ± 0.05 μm (SiO2-MAG-AR359) were purchased from microParticles GmbH. All particles were suspended in an aqueous mixture of 0.1 mM SDS and 0.01 wt % Triton X-45 (corresponding to a water-air surface tension of 29 mN m−1), except for the particles with a diameter of 0.78 μm, which were prepared in a mixture of 0.25 mM SDS and 0.025 wt % Triton X-45 (corresponding to a water-air surface tension of approximately 27 mN m−1).
The PDMS templates were fabricated according to the method introduced by Geissler et al. (43). The depth of the trap was 510 ± 10 nm. The linear traps had a width of 1.2 ± 0.2 μm and lengths of 2.1 ± 0.1, 3.1 ± 0.1, 4.1 ± 0.1, and 10.0 ± 0.1 μm. The width of the triangular traps varies along the template, as seen in Fig. 4 and fig. S2.
The assembly was carried out using the setup and protocol described by Malaquin et al. (18). The assembly speed was kept between 1 and 2 μm s−1. The assembly temperature was set at 10° to 15°C above the dew point. The assembly of the fourth particle on top of the open trimers was conducted with a higher surfactant concentration and lower surface tension (0.25 mM SDS and 0.025 wt % Triton X-45). The corresponding shallower angle of the moving droplet favors the trapping of the fourth particle because of the stronger confinement in the front part of the meniscus (25).
The assembled particles can be printed onto silicon substrates with a thin adhesion layer using microcontact printing (26). For harvesting, the clusters assembled on the template were linked by a heating step at 75°C for 10 min. Extended heating for longer times or at higher temperatures may lead to significant deformation of the polymer particles. Harvesting of clusters was carried out by freezing (see Fig. 6): A 20-μl Millipore water droplet was placed on the area of interest of the template and then frozen. The frozen drop was collected from the surface using a pipette tip and transferred to an Eppendorf tube. The harvesting was performed at different freezing temperatures: −20°, −80°, and −196°C. A lower temperature enables longer operation times when picking up the frozen drop before it melts. However, at lower temperatures, clusters composed of different materials can crack in the neck between the particles because of the different thermal expansion coefficients (see fig. S7).
Assembled, printed, harvested, and dried particle clusters were imaged by bright-field, dark-field, and fluorescence optical microscopy (Zeiss Axioscope) at various magnifications and by SEM (Leo 1550 Gemini, Carl Zeiss AG). ImageJ (W. S. Rasband, National Institutes of Health, Bethesda, MD) was used to compose merged fluorescence images and overlays of fluorescence and bright-field images by combining different channels. EDX characterization was performed using X-max (Oxford Instruments) in a scanning electron microscope (SU8000, Hitachi). The images in Fig. 7D and the corresponding supplementary movies were acquired in Millipore water on an inverted optical microscope (Zeiss Axioscope 2) with a 63× long working distance air objective. Images were grabbed at a frame rate of 10 fps using an Andor Zyla camera mixing the transmission and fluorescence channels. All other supplementary movies were acquired at varying frame rates, as specified in the Supplementary Materials.
The colloidal surfactant chains with a magnetic head were harvested and dispersed in Millipore water. They were rotated and oscillated using an external magnetic field (1 Hz for rotation; 0.5 Hz and 270° rotation amplitude for oscillation). The magnetic fields are applied by two pairs of electromagnets driven by two independent current amplifiers controlled by custom LabVIEW software. The translation of the particles was performed by placing a permanent magnet close to the sample.
Technical details of the assembly of linear colloidal chains.
Technical details of the assembly of nonlinear colloidal clusters (trimers and 3D clusters).
Fig. S1. SEM images of different colloidal chains on the template.
Fig. S2. Effect of trap size on the assembly yield of R-G-B PS trimers.
Fig. S3. Yield of assembled carboxylate PS and amine PS dumbbells on an area of 5 × 12 mm2.
Fig. S4. EDX spectroscopy of three-particle chains with plain SiO2, PS, and magnetic SiO2.
Fig. S5. Linking of clusters by thermal sintering.
Fig. S6. Harvesting of clusters.
Fig. S7. Harvesting of clusters at extremely low temperatures.
Fig. S8. Effects of varying lateral trap dimensions on the structure of 3D clusters.
Fig. S9. Effects of local assembly direction on the first sCAPA step of colloidal trimers.
Fig. S10. Effects of local assembly direction on the assembly of open colloidal trimers with three different lobes.
Movie S1. The first assembly step for the fabrication of surfactant-like colloidal chains.
Movie S2. The second assembly step for the fabrication of surfactant-like colloidal chains.
Movie S3. Brownian motion of a dumbbell with a magnetic head and a PS lobe dispersed in water after harvesting.
Movie S4. Brownian motion of a four-particle chain with a magnetic head and a PS tail dispersed in water after harvesting.
Movie S5. Brownian motion of an eight-particle chain with a magnetic head and a PS tail dispersed in water after harvesting.
Movie S6. Rotation of colloidal chains with a magnetic head in an external rotating magnetic field.
Movie S7. Oscillation of colloidal chains with a magnetic head in an external oscillating magnetic field.
Movie S8. Translation of a colloidal chain with a magnetic head by a permanent magnet.
Movie S9. The third assembly step for the fabrication of open PS trimers with three different lobes.
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Acknowledgments: We thank E. Marini for supplying the sample for fig. S6A, U. Drechsler and S. Reidt for help with the mask and master fabrication, A. Knoll and U. Duerig for discussions and advice, C. Bolliger for assistance with the manuscript, and R. Allenspach and W. Riess for continuous support. Funding: L.I., S.N., and I.B. acknowledge financial support from the Swiss National Science Foundation (grant PP00P2_144646/1). Author contributions: S.N., L.I., and H.W. conceived and designed the study. S.N. and J.L. performed the sCAPA assembly and characterized the results. S.N. and H.W. developed the harvesting protocol. S.N., I.B., and L.I. performed the optical microscopy and magnetic manipulation experiments. All authors analyzed the data. S.N., L.I., and H.W. wrote the manuscript. All authors discussed the results and commented on the manuscript. Competing interests: The authors declare that they have no competing interests. Data and materials availability: All data needed to evaluate the conclusions in the paper are present in the paper and/or the Supplementary Materials. Additional data related to this paper may be requested from the authors.
Researchers produce tailor-made colloidal molecules from a variety of materials using a simple sequential assembly process.


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Die Talsperre Idanha () liegt in der Region Mitte Portugals im Distrikt Castelo Branco. Sie staut den Fluss Pônsul, einen rechten (nördlichen) Nebenfluss des Tejo zu einem Stausee (port. Albufeira da Barragem da Idanha) auf. Die namensgebende Kleinstadt Idanha-a-Nova liegt ungefähr zwei Kilometer südwestlich der Talsperre.

Mit dem Projekt zur Errichtung der Talsperre wurde im Jahre 1935 begonnen. Der Bau wurde 1947 fertiggestellt. Die Talsperre dient neben der Bewässerung auch der Stromerzeugung. Sie ist im Besitz der Associação de Regantes e Beneficiários de Idanha-a-Nova.

Absperrbauwerk
Das Absperrbauwerk ist eine Gewichtsstaumauer aus Beton mit einer Höhe von 51 m über der Gründungssohle (44 m über dem Flussbett). Die Mauerkrone liegt auf einer Höhe von 258,5 m über dem Meeresspiegel. Die Länge der Mauerkrone beträgt 143 m und ihre Breite 5,2 m. Das Volumen des Bauwerks umfasst 66.000 m³.

Die Staumauer verfügt sowohl über einen Grundablass als auch über eine Hochwasserentlastung. Über den Grundablass können maximal 8 m³/s abgeleitet werden, über die Hochwasserentlastung maximal 700 m³/s. Das Bemessungshochwasser liegt bei 700 m³/s.

Stausee
Beim normalen Stauziel von 255,5 m (maximal 258,5 m bei Hochwasser) erstreckt sich der Stausee über eine Fläche von rund 6,78 km² und fasst 78,1 Mio. m³ Wasser – davon können 77,3 Mio. m³ genutzt werden. Das minimale Stauziel liegt bei 228 m.

Kraftwerk
Das Kraftwerk Idanha gehört mit einer installierten Leistung von 2,5 MW zu den kleinsten Wasserkraftwerken Portugals. Die durchschnittliche Jahreserzeugung liegt bei 4,5 Mio. kWh.

Die Kaplan-Turbine wurde von Voith geliefert. Sie befindet sich in einem Maschinenhaus am Fuße der Staumauer. Die Turbine des Kraftwerks leistet maximal 2,5 MW und der zugehörige Generator 2,75 MVA. Die Nenndrehzahl der Turbine liegt bei 750/min. Die Nennspannung des Generators beträgt 6 kV. In der Schaltanlage wird die Generatorspannung von 6 kV mittels eines Leistungstransformators auf 30 kV hochgespannt.

Die minimale Fallhöhe beträgt 9,74 m, die maximale 38,25 m. Der minimale Durchfluss liegt bei 4,0 m³/s, der maximale bei 7,4 m³/s.

Siehe auch
 Liste von Wasserkraftwerken in Portugal
 Liste von Talsperren der Welt (Portugal)

Weblinks

Anmerkungen

Einzelnachweise

Idanha
Idanha
Idanha
Idanha
Idanha
SIdanha
Idanha-a-Nova

redpajama_set_name: RedPajamaWikipedia


This won't be much help if your commute is exclusively underground, or requires you to keep your eyes fixed to the road, but studies show that looking at scenic landscapes can be beneficial for your performance of cognitive tasks, your wellbeing, and just making you a nicer person.
The findings are even more intriguing in light of the increasing time people spend staring at mobile screens and focusing on the world directly in front of their noses, suggesting they might be better off looking aimlessly out the window now and then.
Subjects who took a stroll through an arboretum before taking a memory test performed 20% better than those sent for a walk down a city street, according to a University of Michigan study. Even those asked to look at pictures of scenic environments saw an uplift in a follow-up experiment.
Doing so engages our "involuntary attention, which comes into play when our minds are inadvertently drawn to something interesting that doesn't require intense focus, like a pleasing picture or landscape feature", researcher Marc Berman told The Dirt, a blog run by the American Association of Landscape architects, in 2011.
Meanwhile, a 2015 study published in Scientific Reports, part of the Nature group of journals, found evidence that "inhabitants of more scenic environments report better health, across urban, suburban and rural areas". The findings held true even after the amount of green space, air pollution and other variables were accounted for.
And in 2009, the University of Rochester published research suggesting exposure to nature "leads people to value community and close relationships and to be more generous with money".
So rather than feeling you have to squeeze productivity out of every free moment, take Ferris Bueller's advice and look around once in a while. The fields and rolling hills passing by the train window could be the perfect place to start.


By James Brennan, ES Group: The Financial Accounting Standards Board and the International Accounting Standards Board are finalizing an approach to lease accounting that will impact deal-making in the not so distant future. The new standard, set to come into play in 2011, will shoot a hole in the sails of credit-rated sale-leasebacks and triple-net leases just as they have been gaining back some momentum in 2010. The changes would impact new leases and current leases going forward.
Whether the food group is retail, office, or industrial, landlords and tenants are trembling when it comes to a proposed new accounting standard. The Financial Accounting Standards Board and the International Accounting Standards Board are finalizing an approach to lease accounting that will impact deal-making in the not so distant future. The new standard, set to come into play in 2011, will shoot a hole in the sails of credit-rated sale-leasebacks and triple-net leases just as they have been gaining back some momentum in 2010. The changes would impact new leases and current leases going forward.
The proposed standard will capitalize many operating leases which are currently not reported on balance sheet for tenants. The new approach creates a large non-cash expense, in which the amortization of the right of use capitalized lease asset plus the recognition of imputed interest expense on the capitalized lease obligation exceeds the cash paid for rent in the first half of the lease term. The process of applying this amortization on a lease motivates tenants to demand shorter leases, as the longer the lease term the greater the impact of frontloading lease costs.
options or contingent rents to minimize the non-cash lease costs. The new standard recognizes the lease term amorphously as the one more than likely to occur (however, the Boards will give taxpayers facts and criteria to properly estimate). The rental stream, any contingent rentals, and any residual value a landlord would be expected to receive would be amortized over the lease term. Landlord and tenants would match these values on a consistent and systematic basis. Landlords and tenants would both reassess on each reporting date to see if any expectations have changed with regards to lease term, and the overall leasehold obligation. Questions remain, for example, how retail landlord and tenants can project percentage rent for purposes of determining the leasehold obligation.
However, certain impacts appear clear. Most likely tenants will push for shorter-term leases without renewal options to minimize the non-cash lease costs factored into the amortization. Landlord-investors will be directly impacted as the shorter lease terms will impinge upon their ability to obtain long-term financing from banks. The "finance-ability" of credit-rated sale-leasebacks and triple net lease deals has always been a huge aspect of their appeal. Diminishing an investor's ability to place debt on the asset will impact his return on equity and internal rate of return; and perhaps lead that investor to look elsewhere.
As FASB and IASB drive home the standard change, landlords and large tenants hesitate to act. Many private clients continue to orchestrate deals; however, all parties, large and small, will be swept into the blanket changes that like death and taxes, appear to be inevitable.


At least a dozen people, including a sheriff's deputy, were killed late Wednesday night in a mass shooting at a California bar and grill.
The gunshots were reported around 11:20 p.m. at the Borderline Bar & Grill in Thousand Oaks, which is about 40 miles west of Los Angeles.
"I can't tell you much about the shooter at this point. We are still looking for the shooter. We can't confirm the shooter is in custody at this point," said Ventura County Sheriff's Office Capt. Garo Kuredjian during a news conference.
Shots were still being fired when deputies arrived at the site. The first deputy to arrive on the scene was shot, and the sheriff confirmed the sergeant later died from those wounds.
He was identified as Sgt. Ron Helus, a 29-year veteran and father of one who was set to retire next year.
At least 10 other people were injured.
Borderline is a western-style bar and grill that regularly hosts a college night between 9 p.m. and 2 a.m. and is located not far from California Lutheran University.
Steinwender was in the bar with friends when the shooting began, he told KABC.
It's been less than two weeks since 11 people were murdered at a Pittsburgh synagogue during a mass shooting.


text:
Solution home Products, Downloads, Pricing and User Guides FireDaemon Zero
FireDaemon Zero Compatibility and Support Matrix
The table below provides a compatibility and support matrix, mapping specific compatible Microsoft Windows operating system versions to specific FireDaemon Zero / Zero OEM software versions. The following combinations exist:
FireDaemon Zero / Zero OEM Version FireDaemon Zero / Zero OEM 2.6 (3) FireDaemon Zero / Zero OEM 3.0 (4)
Windows Operating System Version 32-bit (x86) 64-bit (x64) 32-bit (x86) 64-bit (x64)
Windows 8.1 (1)
Server 2008 R2 (2)
(1) Windows Desktop Operating System is End of Support
(2) Windows Server Operating System is End of Support
(3) FireDaemon Zero 2.6 is the currently supported release
(4) FireDaemon Zero 3.0 is scheduled for release in early 2023. 32-bit (x86) systems are no longer supported
Compatible / Supported The FireDaemon software product is designed to be installed on the Microsoft Windows operating system version. The operating system version plus FireDaemon software version combination is actively supported by us on the proviso that the 32-bit (x86) version is deployed on a 32-bit (x86) operating system and the 64-bit (x64) version is deployed on a 64-bit (x64) operating system.
Compatible / Unsupported The FireDaemon software product should install on the Microsoft Windows operating system version. The operating system version plus FireDaemon software version combination is not supported by us. This is typically due to the operating system version reaching End of Support.
Incompatible / Unsupported The FireDaemon software product should not or does not install on the Microsoft Windows operating system version or does not work. The operating system version plus FireDaemon software version combination is not supported by us.

redpajama_set_name: RedPajamaCommonCrawl


Most people nowadays know Jim McIlvaine as the tall guy with the awesome Marquette pants at the Bradley Center who plays the drums sometimes before games.
But from 1990 to 1994, McIlvaine was one of the most intimidating paint presences in the country, leaving Marquette as its all-time leading shot-blocker. He played under head coach Kevin O'Neill and was part of a team that made the Sweet Sixteen in 1994, the first trip that far into the postseason for the program since the 1977 national championship team coached by Al McGuire.
From there, he went on to play in the NBA from 1994 to 2001 with the Washington Bullets for two seasons, the Seattle Supersonics for two and New Jersey Nets for his final three. Playing 14.8 minutes per game, McIlvaine blocked, on average, 1.7 shots, scoring 2.7 points and grabbing 3.1 rebounds.
After retiring from basketball, McIlvaine kept himself busy and still does as an eCare Manager for OPTIMA Batteries, Inc. And since 2005, he has been the color analyst for the Marquette Basketball Radio Network, where he broadcasts games with Steve "the Homer" True.


text:
package org.n52.geoar.codebase;

import org.n52.geoar.codebase.resources.ApkFileResource;
import org.n52.geoar.codebase.resources.ImageFileResource;
import org.n52.geoar.codebase.resources.InfoResource;
import org.restlet.Application;
import org.restlet.Restlet;
import org.restlet.routing.Router;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CodebaseApplication extends Application {

	private static Logger log = LoggerFactory
			.getLogger(CodebaseApplication.class);

	public static final String PARAM_ID = "id";

	public static final String PARAM_TOKEN = "token";

	private static final String ROUTE__BASE = "/";

	private static final String ROUTE_APK = ROUTE__BASE + "{" + PARAM_ID
			+ "}/apk";

	private static final String ROUTE_IMAGE = ROUTE__BASE + "{" + PARAM_ID
			+ "}/image";

	private static final String ROUTE_INFO = ROUTE__BASE + "{" + PARAM_ID + "}";

	public static final String FORM_ACTION = "formAction";

	// FIXME move constants out of application class
	public static final String FORM_ACTION_DELETE = "delete";

	@Override
	public synchronized Restlet createInboundRoot() {
		log.debug("Creating new inbound root: " + this);

		Router router = new Router(getContext());

		// Defines a route for the resource elevation
		router.attach("", InfoResource.class);
		router.attach(ROUTE__BASE, InfoResource.class);
		router.attach(ROUTE_INFO, InfoResource.class);
		router.attach(ROUTE_INFO + "/", InfoResource.class);
		// router.attach(ROUTE_INFO + "/" + ROUTE_UPLOAD, InfoResource.class);
		router.attach(ROUTE_INFO + "/" + FORM_ACTION, InfoResource.class);
		router.attach(ROUTE_APK, ApkFileResource.class);
		router.attach(ROUTE_APK + "/", ApkFileResource.class);
		router.attach(ROUTE_IMAGE, ImageFileResource.class);
		router.attach(ROUTE_IMAGE + "/", ImageFileResource.class);

		return router;
	}

}

redpajama_set_name: RedPajamaGithub


Q. Can alumni access databases from off campus?
No, off-campus access to databases is restricted to currently enrolled students, faculty, & staff. You are welcome to visit the library and use database resources here. For more information about alumni privileges, please visit our Alumni & Visitor Resources LibGuide.


EURUSD M : Up or Down ?
Let's see whether the 8MA area will act like a solid support or not. Personally, I expect the EURUSD pair to rise to at least its May highs. Let's see.
2x 0.78 retracements, 1x above 0.50, Euro should probably push further up to at least 1.17. Dollar will probably fall later in July if the Fed doesn't raise interest rates. Who knows. Just a thought.
USDOLLAR: NEXT MONTH UP OR DOWN?
RED FLAG FOR THE DOLLAR? IS GOLDMAN LATE TO THE PARTY?
I put on a short position on AU today, as I don't believe there is much more room to go upside.
Many RSI divergences, time for a retrace on Monday/Tuesday.


Nicolas Defer was born on September 1st 1994 in Paris, France, in a family of musicians. He was surrounded with music since his young age, eventually starting playing drums at age 13. Influenced by drummers such as Stewart Copeland, Mike Portnoy and Simon Phillips, he started learning drums with Stéphane Vallon, proving himself to be a hard worker. Later on, he continued by playing with several bands, including rock, metal, funk and more genres, developing his own style of music and creativity. He attended many drum clinics and met professional drummers from all areas of the world. Today, Nicolas is an all around drummer, comfortable both on stage (small venues and arenas) and in the studio (home studio or recording studios).


text:
Mayhem in Arizona: Polling Location Shut Down and Shifted Multiple Times After Being Foreclosed
Colin KalmbacherNov 6th, 2018, 1:17 pm
Several polling locations in Maricopa County, Arizona were shuttered on Tuesday morning–hours after they were supposed to have been opened–with no initial indication of when they might be back open. One location was even forced to turn voters away because the building had been foreclosed on the night before.
According to Maricopa County Recorder Adrian Fontes, three polling locations were down well into Election Day and officials struggled to account for errors and mismanagement.
The Gila Precinct in Chandler, Arizona was supposed to hold its voting at the Golf Academy of America. Overnight, however, the academy's landlords locked up the building because it was recently held in foreclosure. Voters showed up anyway, of course, and were just as perplexed as county officials.
Fontes told the Fort Worth Star-Telegram that his office was caught by surprise and completely unaware of the building's legal property status and ownership issues. He also said that reopening the building would have required a court order. So the golf academy was nixed–leaving voters out in the cold, if only figuratively, because at least the weather's nice in Arizona.
Maricopa County officials later unsuccessfully attempted to set up polling locations in the foreclosed golf academy's parking lot. That apparently didn't work either.
Another Fontes attempt at a solution was to move Chandler's Gila Precinct polls to the Chandler City Hall Vote Center. The place-name of this building belied the issues there.
Arizona Central reporter Alden Woods noted some of the continued Election Day mayhem.
"The backup plan for the foreclosed polling place seems to be having issues, too," Woods wrote. "Voters were redirected to Chandler City Hall, where voter Brian Murray was told the printers aren't working. Murray said people are already leaving without voting."
"Apparently there's an issue with the ballots," Murray told the paper.
The next alleged effort was to set up the Gila Precinct polls at Mesquite High School in the completely different–though technically nearby–city of Gilbert, Arizona.
The high school idea didn't quite pan out and it was back to the impromptu drawing board. And, apparently, back to the Golf Academy of America. Fontes noted via Twitter:
UPDATE: Polling location will remain at Golf Academy of America at 2031 N Arizona Ave, we now have access to the building and are getting power turned on now.
— Adrian Fontes (@RecorderFontes) November 6, 2018
Other polling sites in Maricopa County didn't suffer from repeated mulligans but reported hours-long waits, myriad ballot-box problems, printers that still refused to print, election officials telling people they'd have to come back later and polling locations that ran out of ballots.
Law&Crime repeatedly reached out to the Maricopa County Recorder's Office for comment on this story but no response was forthcoming at the time of publication.
Fontes held a press conference late Tuesday morning where he said the day's mishaps were little more than typical Election Day foibles and "run of the mill election problems."
"We do still have some minor issues, but that is to be expected," Fontes assured those watching.
[image via screengrab/Fox 10 Phoenix]
Adrian FontesMaricopa CountyVoter Suppression


As I read some of the writings of Marcus Aurelius, the Roman Emperor from 161 to 180AD, I was astonished at his obsession with death. But then, even as I have studied the writings of Solomon in the Bible, he often addressed the issue of death with a similar concentration.
118 readers liked this post. If you enjoyed it, please consider sharing!


Three G4S security guards are accused of causing the death of Jimmy Mubenga, who died during his forcible deportation on a British Airways flight to Angola on 12th October. Eye witnesses told the Guardian how the 46-year-old man was being "heavily restrained by security guards and had complained of breathing problems before he collapsed." The three men have since been questioned by police and bailed until December pending further inquires.
In response to the government's deafening silence, on 15th October activists from South London plastered the area from Elephant and Castle to Peckham with posters holding witness statements and other info about Jimmy's murder.
Calais migrant camp's newly opened library needs books!


iGaming Tracker's Ken Muir analyses the regional variations in casino supplier mix between different casino operators.
If local knowledge – in other words which market an operator originates from or focuses on by having worked on it or being familiar with it; plays a key role, regulation is the other component that dictates which games and suppliers are most visible in specific markets.
Scroll down to view how regional variations affect the market share of leading suppliers such as Netent, Playtech, SG Interactive and others.
iGaming Tracker has been tracking hundreds of casino web pages for over 18 months across several countries and has found that the mix of casino game suppliers changes considerably by country.
To illustrate this it looked at a couple of sites over five countries to show the variation.
We looked at the main casino page of Unibet across five countries every 24 hours during May and June. The chart shows the percentage of "real estate" each games supplier had during that period.
As you can see Netent has the largest share across the five countries, however the percentage varies a lot, ranging from 24% to 66%.
You can also see the stark contrast between Italy, where two game suppliers are present, and the UK, with 10 games suppliers having a sizeable share.
Likewise when looking at bwin's casino home page over the same period there is also noticeable variation in supplier mix.
Apart from two Yggdrasil games, bwin's Italian market activity is dominated by either Netent or the group's own branded games in the shape of PartyGaming.
The contrast with Sweden and the UK, where there is a greater mix of games suppliers, is clear and for example a supplier such as Play'n Go is able to take a significant share of activity in both countries.
Scandinavia-focused casino Casumo targets Sweden and is active in the UK, there are similarities between those markets but what is visible in the diagram are the variations in supplier mix.
Quickspin has a much higher share of the market in the UK, as do SG Interactive's brands Barcrest and Williams Interactive.
regulation is most likely the main reason for such variations: major games suppliers like Playtech and Microgaming tend to be first in newly-regulated markets. Casino pages exclusive to one supplier are much more prevalent in countries such as Italy. Take for example William Hill: in the UK it has the Playtech "Casino" page, but it also has multi-supplier pages such as "Vegas", "Games" and "Macau". In Italy and Spain its casino pages are exclusively furnished with Playtech games.
As regulated markets mature we will start to see a more competitive mix of gaming suppliers. This, coupled with the increasingly data-driven approach by casinos to optimise their game mix, will lead to a much more varied offering to the consumer.


Small groups allow more intimate and personal opportunities for spiritual growth. Jesus developed a small group of disciples and called them apostles for the special purpose of leadership and multiplication. The earliest church met in small groups. Small groups can take many forms, meet in many different locations, and cover many topics. Every church will have small groups (Sunday School, home groups, youth groups, and so forth). Pastors who can develop small groups will strengthen the fellowship and evangelism of their churches.


Siem Reap province, which is located in northwest Cambodia, is the gateway to the temples of Angkor. The name Siem Reap means "Victory over Siem" deriving from the battle between the Khmer Empire and the army of Thai kingdom in the 17th century. People often visit Siem Reap for the Angkor temples, Cambodia's spiritual and cultural heartland, but there is a variety of amazing things to do around the province. Siem Reap has risen from the ash to become an allure attraction with five-star hotels and resorts, fine-dining options meal, and other kinds of luxury services like shops, galleries, spas, etc. The number of hotels has mushroomed as a result of rising tourist demand. At night, Siem Reap becomes a chaotic place, especially 'Bar Street' area, where visitors get back to modern life after a long day of viewing temples.
Although Siem Reap has changed dramatically, it retains its hidden charm, especially around Old Market and French Quarter. As other parts of Asia, Siem Reap still exists some tourist scams like hotel pay the commission for motor and taxi to deliver guests. Tourists can book their services in advance via the internet. On this website, you may contact To [email protected] for more detail information for your Cambodia tour.
Situated 16 km southeast of Siem Riep and 25 kilometers east of Chong Khneas, Kampong Phluk consists of three villages with around 3000 inhabitants, most of whom are Khmer.


50 Lovely Comment Vendre Sa Voiture En Loa is free HD wallpaper. This wallpaper was upload at May 7, 2018 upload by Harold Palmer in voiture.
50 Lovely Comment Vendre Sa Voiture En Loa is high definition wallpaper and size this wallpaper is 1193x795. You can make 50 Lovely Comment Vendre Sa Voiture En Loa For your Desktop Wallpaper, Tablet, Android or iPhone and another Smartphone device for free. To download and obtain the 50 Lovely Comment Vendre Sa Voiture En Loa images by click the download button below to get multiple high-resversions.


and blink white lines from my sight.
to a hide on Denaby Ings.
a squeak with a chime in it.
a dove chants a wood mass.
a lush trawl of sound.
is a slow pull of Moonshine.
Note: The Brigands are a South Yorkshire motorcycle gang. Moonshine is a fruity bitter brewed at Sheffield's Abbeydale Breweries.


The UCLA Behavioral Testing Core is seeking an Assistant Researcher for a 100% time position. Candidates are required to have a PhD in psychology or neuroscience and relevant Post-Doctoral Training.
The UCLA Anxiety and Depression Research Center directed by Michelle G. Craske, PhD. is seeking a clinical scientist (Postdoc) with neuroimaging experience. This is an exciting opportunity to work on a range of studies being conducted in collaboration with Susan Bookheimer, PhD. that focus on fear learning and extinction, reward processing, emotion regulation and executive functioning as risk markers of psychopathology and as mediators, moderators and outcomes of novel treatments for depression and anxiety.
An Assistant Project Scientist position is currently available in the Department of Psychology at the University of California, Los Angeles (UCLA).
Applications are invited for a postdoctoral fellowship under the joint mentorship of Dr. Carolyn Parkinson (Dept. of Psychology) and Dr. Mason Porter (Dept. of Mathematics) to begin Spring or Summer 2019 (the start date is somewhat flexible).


text:
Employee Benefits Compliance, State-Specific Information
California: Recent Benefits News 8/1/14
Lisa Klinger, J.D. August 1, 2014, 5:35 pm January 24, 2017 Comments Off on California: Recent Benefits News 8/1/14
Update on the California waiting period limits
In a nutshell: There is nothing official yet, but the Assembly unanimously passed SB 1034 on June 30th. SB 1034 is the bill that removes the 60 day waiting period limitation from California law. It has been sent back to the Senate for concurrence on some amendments that were made in the Assembly. The California legislature is now in recess and does not return until August 4th. So, for now, employers should comply with whatever their particular carrier requires. E.g., some will only allow an employer to impose a waiting period of up to 60 days.
SB 1034 says that the Legislature intends to allow plan sponsors to impose waiting periods consistent with section 2708 of the Affordable Care Act. This is the section under which the waiting period and orientation period regulation was issued (allowing an orientation period of up to one month, immediately before the allowable waiting period of up to 90 days). SB 1034 also says the Legislature intends to prohibit insurers or HMOs from imposing separate waiting or affiliation periods in addition to the waiting period imposed by the employer plan sponsor.
Three Health Care Bills on Agenda when Calif. Lawmakers Reconvene
When California lawmakers reconvene the first week of August, they will consider three health care bills that largely are supported by consumer advocates and opposed by insurers, Capital Public Radio's "KXJZ News" reports.
SB 1176 would require insurers to track and record out-of-pocket costs paid by their members and reimburse them if they go over a set limit.
AB 1917 aims to make the cost of specialty medications more affordable for patients with chronic conditions It also would require commercial insurers to cover hepatitis C screenings
AB 2533 would require insurers to pay for out-of-network providers when an in-network provider is not immediately available to provide care.
From http://www.californiahealthline.org/articles/2014/7/23/three-health-care-bills-on-agenda-when-calif-lawmakers-reconvene, 7-23-14.
3.4 Million Previously Uninsured in Calif. Gained Coverage After ACA
A Kaiser Family Foundation survey finds that about 60% of California residents who were uninsured prior to the Affordable Care Act's first open enrollment period have since gained health coverage. Reaching the remaining uninsured population during the second open enrollment period could present new challenges. Los Angeles Times' "L.A. Now" et al.
http://www.californiahealthline.org/articles/2014/7/30/3m-previously-uninsured-in–calif-gained-coverage-after-aca
Jones: Rates for Health Insurance Plans Rose Significantly in 2014
A report released July 29th by California Insurance Commissioner Dave Jones found that health insurance premiums for California residents were 22% to 88% higher in 2014 than in 2013. Insurers criticized the report as misleading. Los Angeles Times et al.
http://www.californiahealthline.org/articles/2014/7/30/jones-rates-for-health-insurance-plans-rose-significantly-in-2014
CaliforniaCalifornia laws


text:
Q: Download the dependencies source code used at android studio Now,google use android studio,i can add dependencies at build.gradle as follows:
dependencies {
    compile 'mobi.parchment:parchment:1.6.9@aar'
}
but sometime i want to see the source code "mobi.parchment:parchment@aar",maybe i want to modify it or use to eclipse but not use the gradle plugin

A: If AndroidStudio didn't download the source code, you can force the download of source (and javadoc) of your AAR dependency by adding these lines in the build.gradle file :
dependencies {
    compile 'mobi.parchment:parchment:1.6.9@aar'
    compile 'mobi.parchment:parchment:1.6.9:sources@jar'
    compile 'mobi.parchment:parchment:1.6.9:javadoc@jar'
}

Then on AndroidStudio in the Projet tab, expand the external Librarie and right clic on your lib (parchment1.6.9), click "Library Properties ..." and the "+" button. the source's jar file is in the gradle cache under ${user_Home}/.gradle/modules-2/files-2.1 directory; you can select it.
(Once is done you don't need anymore to declare the source dependencies; so your build.gradle can contain only :
dependencies {
    compile 'mobi.parchment:parchment:1.6.9'
}

I know it's an ugly process, but it's the only workaround I found until now.

redpajama_set_name: RedPajamaStackExchange


text:
Tag: sigur rós
twenty one pilots recall the songs that got them through high school
Joe Smith-Engelhardt - April 30, 2020
Both members of twenty one pilots hit up SiriusXM's Alt Nation a few days back offering up some of their favorite songs during the session. The selection of tracks...
Sigur Rós drummer leaves band due to sexual assault allegations
Alternative Press Magazine - October 1, 2018
Sigur Rós drummer Orri Páll Dýrason has left the band after being accused of sexually assaulting a woman in 2013, as reported by Pitchfork....
Sigur Rós have partnered with a cannabis company to make the sweetest merch item
Caitlyn Ralph - April 12, 2017
Icelandic band Sigur Rós have partnered with leading cannabis company Lord Jones to make what might be the sweetest merch item around: Wild Sigurberry...
Weekly Playlist #38: AP Office Noise (Summer Jams edition)
Here at AP, we have thin walls and loud speakers, which, for the most part, is musically enriching for all. We are constantly exposing...
Paramore to perform iTunes Festival in London
Philip Obenschain - June 19, 2013
Paramore have been announced as the latest act set to perform at this year's iTunes Festival, Sept. 4 in London. Tickets for the fest, which...
Sigur Rós announce fall North American tour
Sigur Rós have announced a fall North American tour, set to take place in between a summer of European festival dates a late fall...
Sigur Rós release "Kveikur" video
Brian Kraus - June 8, 2013
Below you can check out the new music video from Sigur Rós for their song "Kveikur," the title track to their seventh studio album, out worldwide...
Deerhunter, The National, Sigur Ros to play Laneway Festival in Detroit
Rachel Campbell - May 13, 2013
Deerhunter, The National and Sigur Ros are among some of the acts who will play the St. Jerome's Laneway Festival in Detroit on September...
The Lead – 100 Bands You Needed To Know in 2001: Where Are They...
Jason Pettigrew - March 25, 2013
100 Bands You Needed To Know in 2001: Where Are They Now? AP 297 marked our 13th annual "100 Bands You Need To Know" special,...
The Lead: You're Not In This Alone: introducing the Hope For The Day list...
Cassie Whitt - January 14, 2013
Every day, we are bombarded by negativity. Whether it's a horrible tragedy we see on the news, an ad that makes us worry about...


text:
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[2x]
: S Sè Sé S- S. S/ Sa Sb Sc Sd Se Sf Sg Sh Si Sj Sk Sl Sm Sn So Sp Sq Sr Ss St Su Sv Sw Sy Sz
screechers | screeching | screechy | screed | screen | screen actor | screen background | screen door | screen font | screen memory | screen off
screen actor
RELATED WORDS : active matrix screen actor character actor computer screen crt screen diffusing screen fire screen ham actor movie actor projection screen rood screen screen screen background screen door screen font screen memory screen off screen out screen pass screen saver screen test silk screen print silver screen smoke screen touch screen wide screen window screen
For further exploring for "screen actor" in Webster Dictionary Online
TIP #26: To open links on Discovery Box in a new window, use the right click. [ALL]


text:
Q: When using Tornado with WTForms {{ form.field }} display "" in place of input field? I am using Tornado on Python 2.7 along with wtforms_tornado and wtforms.
I have already developed an Project in Flask using WTForms.
I started to change that project from Flask to Tornado but got stuck at this point.
run.py
class SignupForm(Form):
    email=StringField('email',[
    validators.Required(message='Email Required'),
    ],)

class MainHandler(RequestHandler):
    def get(self):
        form=SignupForm()
        self.render('templates/home.html',form=form)

class SignupHandler(RequestHandler):
    def post(self):
        form=SignupForm(self.request.arguments)
        if form.validate():
            email=form.data['email']
            self.write(email)
        else:
            loader=template.Loader('templates/')
            self.write(loader.load('home.html').generate(form=form))

home.html
<form  enctype='multipart/form-data' action='/signup' method='POST'>
    {{ form.email }}
<input type='submit' value='Sign Up' />
</form>

Output

A: You need to disable Tornado's auto-escape feature for that part of your template:
{% raw form.email %}


text:
Town Hall Ventures' Andy Slavitt on how to invest in Medicaid
Hit the Nail on the Head: Targeted B2B Email Marketing Strategies for Success"
A 'shake-out' is coming among mortgage lenders.
A sign hangs on a branch of Banco Santander in London, UK, Wednesday, February 3, 2010.
Simon Dawson | Bloomberg via Getty Images
Banks and other mortgage lenders have been strained this year as demand for loans has weakened, driven by interest rate hikes by the Federal Reserve.
Tim Wens, chief executive of Santander's US division, said some companies would be forced out of the industry entirely as the reform movement dries up.
He knows: Santander – a relatively small player in the mortgage market – announced its decision to drop the product in February.
"We were the first mover here and others are now doing the same math and seeing what's happening with the holding volumes," Weins said in a recent interview. "For many, especially the smaller institutions, most of the mortgage volume is refinancing activity, which is drying up and has the potential to slow.
The mortgage business boomed in the first two years of the pandemic, fueled by rock-bottom financing costs and a preference for suburbs with home offices. The industry issued a record $4.4 trillion in loan volume last year, including $2.7 trillion in refinance activity, according to mortgage data and analytics provider Black Knight.
But rising interest rates and home prices have put unaffordable homes out of reach for many Americans and closed the pipeline for lenders to refinance. According to Black Knight, rating-based refinances fell 90% from last year through April.
'As good as it gets'
Santander's move, part of a strategic pivot to focus on high-return businesses such as auto lending franchises, now appears to be on a larger scale. Santander, which has approximately $154 billion in assets and 15,000 U.S. employees, is part of the Madrid-based World Bank, which operates in Europe and Latin America.
More recently, the biggest banks in home loans, JPMorgan Chase and Wells Fargo, have cut the ranks of mortgage officers to adjust to lower rates. And smaller non-bank providers are said to be considering selling credit servicing rights or even merging or partnering with rivals.
"The industry was pretty good the way it is," said Wences, a three-decade banking veteran who has worked at firms including Union Bank, Wells Fargo and Nationwide.
"We looked at returns through the cycle, saw where we were going with high interest and decided to exit," he said.
Will others follow?
While banks used to dominate the U.S. mortgage business, their role has diminished since the 2008 financial crisis, when mortgages played a central role. Instead, non-bank players like Rocket Mortgage have increased market share, less likely to be swayed by regulations that fall heavily on the big banks.
Only three of the top ten mortgage lenders by loan volume are traditional banks: Wells Fargo, JPMorgan and Bank of America.
The rest are newer players with names like United Wholesale Loans and Freedom Mortgage. Many firms have taken advantage of the pandemic's growth to go public.
Complicating matters, banks need to plow money into technology platforms to streamline the document-intensive application process to satisfy customer needs.
And companies including JPMorgan have said that ever-increasing capital rules will force them to clean mortgages off their balance sheets, making the business less attractive.
The variable is that some banks may decide to provide loans through partners, which is what Santander is doing now; It lists Rocket Loans on its website.
"Banks ultimately have to ask themselves if they see what they're offering as a core product," Wences said.
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1 × one =
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Flash Briefing is still playing from last week...nothing new will load up.
¿Como puedo agregar a mi skill una imagen usando APL?
My marketing flash briefing is not showing up as a result in search - I have it in keywords? Is there a filter I don't know about?
Why isn't Alexa smart enough to read the correct date on my daily briefing?
How do I stop Amazon Alexa from playing my most recently produced 5 Flash Briefings?
"Audio and Video" option on UK skill?
Can I include a flash briefing skill with other functionality in one skill or is the flash briefing skill a stand alone api?
Alexa Developer Console analytics continues to display the same Error Message over a number of days? Is a fix on the way?


Alibaba offers 1,793 gi pipe 6m length products. About 100% of these are steel pipes. A wide variety of gi pipe 6m length options are available to you, such as 10#, a53(a,b), and 20#.
Steel Pipe, Steel Tube, Pipe manufacturer / supplier in China, offering Q195 0.8mm Thickness GB Satandard 6m Length Mild Steel Square Tube, Round and Square Gi Carbon Galvanized Steel Pipe Tube, Painted Galvanized PPGI Coils From Shandong and so on.
Seamless Steel Tube, Steel Tube, Stainless Pipe manufacturer / supplier in China, offering Wholesale Carbon Steel #20 Gi Pipes for Scaffolding 6m Shipping in China (CZ-RP03), China Factory Price Stainless Steel U Channel 304 316 316L, China Factory Stainless Steel U Channel 304 316 and so on.
EN39 Galvanized Steel Pipe Short Description: Scaffolding Tube Scaffolding Tube Use: Scaffolding is a temporary structure used to support people and material in the construction or repair of buildings and other large structures.
Square Steel Pipe, Gi Pipe, Mild Pipe manufacturer / supplier in China, offering Gi Square Steel Pipe&Tube (SP005), Stainless Steel Wind Roof Ventilator, Color Coated or Galvanized Full Hard Corrugated Steel Roofing Sheet and so on.


Piera Hudson is a 'Kiwi on Skis'!
"I first got on skis when I was four years old, and every year for school holidays after that my parents would bundle us up and take my brother and I down to the mountains. I got scouted for ski racing when I was 8 years old and went over to Switzerland that summer for training. Since then I've racked up 15 years of 30 back to back winters between the Hemispheres. I've been lucky enough to see a lot of the world and meet a lot of friends while competing and even spent two years going to school at Stratton Mountain School in Vermont.
I live in a sunny place called Hawke's Bay in New Zealand – away from any type of skiable mountains and in fact, at sea level. Every year I start my Northern Hemisphere winter training and racing in Colorado. As much as I try my hardest to prepare my body and lungs in my physical training leading up to a season, it's always a shock to the system going from living and training at sea level to pushing hard at 12,000 ft. We only spend a month there every year and we always get straight into training when we arrive so it doesn't leave much room to acclimatise to the high altitude and lack of oxygen.


For the past two weeks, members of the Whistler Valley Snowboard Club have been pulling in some top results in the B.C. Snowboard Association's provincial series. The first of four events were in Sun Peaks, from Feb 2 to 4, and the second at Big White on Feb. 10 and 11.
In the women's 17 and Over GS at Sun Peaks, Erin Franklin finished second and Belinda Olding third for the WVSC. Whistler's Michelle Rideout was sixth. In the men's 17 and Over GS, Whistler's Mitch Baker was first.
Sarah Kopinya of the WVSC finished third in the women's 16 and Under Halfpipe. In the men's 16 and Under Halfpipe, Tyler Massey was fourth and Matt Friesen seventh.
In the women's 17 and Over Halfpipe, Genvieve Halle brought gold for the WVSC. Teammates Laura Usar and Erin Franklin were ninth and 10th. The men's event went to Jess Kumlea. Teammate Garrett Newkirk was 10th, while Whistler local Eric Greene finished seventh.
In the boardercross events, Sarah Kopinya finished fifth in her division, while Tyler Massey went on to win a second gold medal in the men's Under 16. Teammates Johnny Lyall and Aaron Shapiro tied for seventh, Matt Friesen was ninth and Johnny Burgess was 10th.
In the 17 and Over categories, Ali Ames was the top Whistler woman, with Belinda Olding and Erin Franklin finishing third and seventh for the WVSC. Eric Greene and Jesse Kumlea finished seventh and eighth.
At Big White, the WVSC continued to win with seven medals in eight events.
In the women's 16 and Under Halfpipe, Sarah Kopinya once again made the board with a second place finish. Teammate Katelyn Scott was sixth.
Tim Orr was the top 16 and Under male, with teammates Tyler Massey and Aaron Shapiro finishing third and fourth.
The 17 and Over women's pipe went to Mercedes Nicoll of the WVSC, a strong national team prospect. Genvieve Halle tied for fifth with Whistler's Meghann O'Brien. Jesse Kumlea finished third in the men's, followed by local Eric Greene in fourth and teammate Oliver Roy in sixth.
In the boardercross, Sarah Kopinya and Katelyn Scott finished fourth and fifth in the women's 16 and Under, and Tyler Massey was second in the men's. In the 17 and Over, Belinda Olding, Erin Franklin and Mercedes Nicoll were the top women, finishing fourth, fifth and seventh respectively. Kumlea was the top male in fifth place. Brody Petersen and Eric Greene tied for seventh.


Surfer and ocean enthusiast, Anna Ehrgott began making board bags to fill a niche she felt was missing from the surf market. When searching for the perfect bag she continuously came across reflective travel board bags or flimsy board socks. She desired something in between that was sturdy enough for every day use, so she decided to make her own. She brushed up on the sewing skills her grandmother had taught her as a child and pieced together a bag out of scrap fabric. Friends caught word of her unique bags and word spread, eventually landing her creations in a local surf shop. From there, things took off.
In addition to making practical board bags, Ehrgott wanted to run an environmentally conscious brand. Every part of the bag is sustainable, from nose to tail. The nose portion is made from up-cycled coffee bean sacks from a local coffee roaster. The fabric is vintage or leftover material from larger brands. Everything else, including the drawstring, metal parts, liner, and trim, are all deadstock.
I've been testing out a sustainably made surfboard from NSP and decided I needed a sustainably made board bag to protect it. Ehrgott sent me a 9'6" bag in her "spring" print to compliment my eco board.
I want to start by saying how uniquely beautiful this bag is. It's unlike anything I've seen on the market: the fabric is fresh and fun and the Indonesian coffee sack adds a neat twist to the overall design. I've been toting my board around in this bag for about a month now and have been receiving compliments right and left.
In addition to the aesthetic, this bag is everything Ehrgott destined it to be. It's the perfect everyday bag—sturdier than a sock but not quite as bulky as traditional travel bags. The material feels thick and study and it's evident that the bag is well-made. While I've only had my bag for a month, Ehrgott has been keeping her board safe in her bag for three years and counting.


text:
Home National Fox News, WSJ admit Trump's lies are crushing the GOP
United States President Donald J. Trump speaks at a National Day of Prayer event in the Rose Garden at the White House in Washington, DC on May 3, 2018. Credit: Alex Edelman / CNP | usage worldwide Photo by: Alex Edelman/picture-alliance/dpa/AP Images
Alex Edelman / CNP, via AP Images
Fox News, WSJ admit Trump's lies are crushing the GOP
Fox News to Trump: 'How can you drain the swamp if you're the one who keeps muddying the waters?'
The recent collapse of Trump's lies about his hush-money payments to porn star Stormy Daniels has prompted conservative media outlets to hit the panic button.
Several right-wing outlets and personalities have taken a quick break from helping to prop up Trump's unpopular presidency to criticize how he and his team have handled the story.
Newly hired Trump lawyer Rudy Giuliani has created yet another slow-motion trainwreck for this administration, this time consisting of a series of television appearances and newspaper interviews in which Giuliani admitted Trump paid Michael Cohen to funnel money to Daniels in exchange for her pre-election silence.
Fox News host Neil Cavuto complained on-air in a commentary directed to Trump: "How can you drain the swamp if you're the one who keeps muddying the waters?"
Citing Trump's direct denials of the payments, in contrast to the evidence now known about the transaction, Cavuto said, "I'm having a devil of a time figuring out which news is fake."
The criticism echoes some elements of press secretary Sarah Huckabee Sanders' press briefing, where she effectively admitted that Trump had lied about the details of the story when it first broke.
Cavuto told Trump "your own words" give "lots of pause." He concluded, "I guess you're too busy draining the swamp to ever stop and smell the stink you're creating. That's your doing. That's your stink. Mr. President, that's your swamp."
Catch Neil's latest Common Sense pic.twitter.com/JdGCX4WmjF
— Neil Cavuto (@TeamCavuto) May 3, 2018
An editorial from the Wall Street Journal called out Trump's "public deceptions" and noted "the attempted cover-up has done greater harm than any affair would have."
The conservative newspaper highlighted the crisis of credibility that Trump has created as he repeatedly lied about the payoff, and now "wants everyone to believe a new story that he could have told the first time."
In their conclusion, the Journal writes, "Mr. Trump is compiling a record that increases the likelihood that few will believe him during a genuine crisis," and, "Mr. Trump should worry that Americans will stop believing anything he says."
In National Review, senior writer David French warns voters on the religious right that Trump is causing irrevocable harm to the entire conservative cause through his embrace of open deception.
French notes, "all too many fellow believers have torched their credibility and exposed immense hypocrisy through fear, faithlessness, and ambition."
Referencing support for Trump among those voters, he writes, "You'll stand in the wreckage of your own reputation and ask yourself, 'Was it worth it?' The answer will be as clear then as it should be clear now. It's not, and it never was."
It isn't that Trump will be completely ostracized in the right-wing media world. And in all likelihood the sympathetic venues will continue to back him and make excuses for his failing administration (for instance, it's unlikely a sycophant like Sean Hannity will ever rebuke Trump). But these statements all make it clear that conservatives realize Trump's lies are hurting them.
Like the Republican candidates who lost races in states like Alabama, Virginia, and New Jersey and in congressional districts that voted for Trump in Pennsylvania, he is weighing down the right-wing movement like an anchor.
Conservative media is trying to stop Trump before he does more damage, and they're trying to warn his core supporters to run away from the wreckage. Their protests are probably in vain.
Previous articleHumiliated Trump tries to whitewash Giuliani's trainwreck media tour
Next articleTrump's obsession with President Obama could drive gas prices over $3
Former research fellow at Media Matters for America who has been blogging about politics since 2001. Follow him on Twitter @owillis.


Built in 1985, the Ashmore Tavern has been keeping the locals happy for over 30 years. It is the perfect venue for after work drinks, a great meal, or to relax with friends and family.
Open from 10 am daily we have something for everyone with an up to the minute gaming room, TAB, weekend entertainment, function facilities, an onsite liquor warehouse and late night drive through bottle shop.


The gorgeous stones on these earrings are quartz with needle-shaped golden rutile minerals that have grown within - as inclusions. The gemstones hang from oxidized sterling silver chain at a length that is flattering for any face!
This design is handmade in our Portland studio. A slight natural variation in size, color, and shape of the stones may occur.


text:
Phillip A. Kliewer
Phillip A. Kliewer, 83, entered into the presence of his Lord and Savior on Wednesday, October 6, 2021, after a brief illness. Born in Lancaster, the son of the late Albert A. and Mary Elizabeth Musselman Kliewer, he is survived by his wife, Sharon Reber Kliewer, with whom he shared 17 years of marriage. In addition to his wife, he is survived by 2 children: Craig Kliewer of Ephrata and Stacie Evans of Mohnton; brother, Donald H. Kliewer, husband of Edna; 2 stepsons: Mathew Reber, Lititz and Marc Reber, Evanston, Il; grandchildren: Jennifer Heinaman, Jonathan Kliewer, Alan Kliewer and Taylor Evans, Brody Reber, Peyton Reber and Sebastian Reber; and 8 great-grandchildren. He was preceded in death by his first wife, Darlyne Heckel Kliewer. A lifelong resident of Lancaster, Phil graduated from Manheim Township High School in 1956. Following high school, he was drafted by the Detroit Tigers as a left-handed pitcher. He spent 6 years in the organization until retiring from baseball in 1963. When he returned to the area, he was employed by Penn Dairies and R.R. Donnelly, from which he retired in 2003. Phil was a longtime and active member of Calvary Church on Landis Valley Road, Lancaster, serving in various capacities. His faith defined him, as he sought to serve others as an expression of his love for his Savior. In addition to his church activities, Phil enjoyed Bible studies, gardening, crossword puzzles, was an avid tennis player, reading books on Biblical prophecy, attending Manheim Central football games with his son, St. Louis Cardinal baseball and Philadelphia Eagles. Relatives and friends are invited to attend Phil's Celebration of Life Memorial Service at Calvary Church, 1051 Landis Valley Road, Lancaster, PA 17601 on Friday, October 15, 2021 at 2:00 P.M. The family will receive friends at Calvary Church on Friday from 1:00 P.M. until the time of the service. Wearing masks will be optional. Light refreshments will be served following the service. Interment will be private at Riverview Burial Park. Kindly omit flowers. Memorial contributions may be made in Phil's memory to: Calvary Church, Global Mission Fund, 1051 Landis Valley Road, Lancaster, PA 17601.
Phillip A. Kliewer, 83, entered into the presence of his Lord and Savior on Wednesday, October 6, 2021, after a brief illness. Born in Lancaster, the son of the late Albert A. and Mary Elizabeth Musselman Kliewer, he is survived by his wife,... View Obituary & Service Information
The family of Phillip A. Kliewer created this Life Tributes page to make it easy to share your memories.
Phillip A. Kliewer, 83, entered into the presence of his Lord...
Send flowers to the Kliewer family.


text:
Q: Getting Core Data Entity from a Parent Entity I'm trying to retrieve data from an Entity in Core Data where I know the value of a related Entity.
IE:
Entity1
-attrib1.1
-attrib1.2
-relationship1
Entity2
-attrib2.1
-relationship1
Entity1 has a to-many relationship to Entity2 on relationship1.
I'm trying to get the value of Entity2 where Entity1.attrib1.1 = XXX.
I tried using NSPredicate, but I'm not sure how, if possible, to write the syntax in the predicateWithFormat method.
If this doesn't make sense, sorry. I'll try to clear up if needed.
I have searched google and here, but haven't found anything. Maybe my eyes are giving out? ;)

A: I think you're trying find instances of Entity2 where Entity1.attrib1.1==XXX and Entity1.relationship1 contains a reference to the Entity2 instance. From your description, it's not clear if Entity2.relationship1 is the inverse of Entity1.relationship1. If not, you really should create the inverse relationship and set it as such in the data modeler. Unless you really know what you're doing and are sure you do not need the inverse relationship, Core Data will not work as you expect unless the inverse relationship exists.
Once you have the inverse relationship from Entity2 to Entity1 (let's call it inverseRelationship for sake of example), you can perform a fetch request on Entity2 using an NSPredicate instance with the format string
inverseRelationship.attrib1.1 == XXX

if the inverse is a to-one relationship or
ANY inverseRelationship.attrib1.1 == XXX

if the inverse is also a to-many relationship.