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A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.
The more drug there is in the sample, the more free enzyme there will be, and the increased enzyme activity causes a change in color. [ 2 ] : 70 Determination of drug levels in serum is particularly important when the difference in the concentrations needed to produce a therapeutic effect and adverse side reactions (the therapeutic window ) is ...
E-SCREEN is a cell proliferation assay based on the enhanced proliferation of human breast cancer cells in the presence of estrogen active substances. The E-SCREEN test is a tool to easily and rapidly assess estrogenic activity of suspected xenoestrogens (singly or in combination). This bioassay measures estrogen-induced increase of the number ...
The national drug code (NDC) is a unique product identifier used in the United States for drugs intended for human use. The Drug Listing Act of 1972 [1] [2] requires registered drug establishments to provide the Food and Drug Administration (FDA) with a current list of all drugs manufactured, prepared, propagated, compounded, or processed by it ...
Pharmaceutical codes are used in medical classification to uniquely identify medication. They may uniquely identify an active ingredient , drug system (including inactive ingredients and time-release agents) in general, or a specific pharmaceutical product from a specific manufacturer.
Their goal was to develop a screening tool that - like the CAGE questionnaire used for adults - was brief and easy to administer and score. [4] Unlike the CAGE, the CRAFFT was designed to be developmentally appropriate for adolescents and screen conjointly for both alcohol and drug use.
Reagent testing is one of the processes used to identify substances contained within a pill, usually illicit substances. With the increased prevalence of drugs being available in their pure forms, the terms "drug checking" or "pill testing" [1] may also be used, although these terms usually refer to testing with a wider variety of techniques covered by drug checking.
Phenotypic screening is a type of screening used in biological research and drug discovery to identify substances such as small molecules, peptides, or RNAi that alter the phenotype of a cell or an organism in a desired manner. [1]