Color and transparency are determined from visual observation of the sample. Normal urine is straw yellow to amber in color. Abnormal colors include bright yellow, brown, black (gray), red, and green. These pigments may result from medications, dietary sources, or diseases.
limulus amebocyte lysate test. limulus amebocyte lysate test. LAL test. A test used to detect minute quantities of bacterial endotoxins and to test for pyrogens in various materials; it is also used to detect septicemia due to gram-negative bacteria. Limulus amebocyte lysate is formed from the lysed circulating amebocytes of the horseshoe crab (Limulus polyphemus).
Image credit: ASTM | ATS GmbH. Laboratory information managements systems (LIMS) are used to manage information and data in scientific and commercial laboratories.hile a laboratory information management system represents a comprehensive system, it is rarely static and may evolve with the laboratory. Traditionally, LIM systems have been initially installed to manage samples, including: receiving and tracking samples and associated data.