Static electricity can be shocking and unexpected when exiting your car. What can you do to stop it? Television car expert Lauren Fix has more in this edition of the Car Coach.
Part of the Microprocessors glossary: Transistor-transistor logic (TTL) is a digital logic design in which bipolar transistor s act on direct-current pulses. Many TTL logic gate s are typically fabricated onto a single integrated circuit (IC). TTL ICs usually have four-digit numbers beginning with 74 or 54.
1. Tetrodotoxin (TTX) is a guanidinium compound produced by bacteria in puffer fish and certain other animals such as octopus and chaetognatha. Due to its potent inhibitory effect on several isoforms of voltage-gated Na + (Na V) channels, TTX has been extensively studied in biological and chemical sciences [1] .1B) in TTX block of Na V channels [5] and [8] . Thus, the guanidine group of TTX may interact with the outer charged ring more intimately, rather than protruding into the filter. Here the inhibition of Na V Ab and Na V 1.4 by TTX is examined in atomic detail using molecular dynamics (MD) simulations.