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 ...
Gross Primary Productivity and Net Primary Productivity are rates and not amounts. GPP is the RATE at which ecosystem producers convert solar energy into chemical energy in biomass found in tissues. NPP is the RATE at which producers use photosynthesis to produce and store chemical energy minus the rate at which they use some of the energy through aerobic respiration (Miller, G.T, Spoolman, S. E).