Detection and assay of substances by serologic (immunologic) methods; in most applications substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance.
In the experimental (non-clinical) research arena, the phrase good laboratory practice or GLP specifically refers to a quality system of management controls for research laboratories and organizations to ensure the uniformity, consistency, reliability, reproducibility, quality, and integrity of chemical (including pharmaceuticals) non-clinical ...
Gamma-Glutamyl Transpeptidase (GGT) Test. The gamma-glutamyl transpeptidase (GGT) test measures the amount of the enzyme GGT in your blood. Enzymes are molecules that are necessary for chemical reactions in your body.enerally, the higher the GGT level the greater the damage to the liver. Some of the conditions that result in increased GGT include: 1  overuse of alcohol. 2  chronic viral hepatitis. 3  lack of blood flow to the liver. 4  liver tumor. 5  cirrhosis, or scarred liver. 6  overuse of certain drugs or other toxins.