What is an assay in biology?

Assay: An assay is an analysis done to determine: The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid (or hyperthyroid).

What are the different types of assays?

The main types of assay used for blood screening are:

• Immunoassays (IAs): — Enzyme immunoassays (EIAs) — Chemiluminescent immunoassays (CLIAs) — Haemagglutination (HA)/particle agglutination (PA) assays. — Rapid/simple single-use assays (rapid tests)
• Nucleic acid amplification technology (NAT) assays.

What is an assay in medical terms?

Listen to pronunciation. (A-say) A laboratory test to find and measure the amount of a specific substance.

What is an assay in biochemistry?

Definition. A biochemical assay is an analytical in vitro procedure used to detect, quantify and/or study the binding or activity of a biological molecule, such as an enzyme.

What does in assay mean?

Definition of assay (Entry 2 of 2) 1 : examination and determination as to characteristics (such as weight, measure, or quality) 2 : analysis (as of an ore or drug) to determine the presence, absence, or quantity of one or more components also : a test used in this analysis.

What does assays mean?

Assay(noun) tested purity or value. Assay(noun) the act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin.

What is an assay in chemistry?

In chemistry, an assay is a testing method of a metal or ore to determine its ingredients and quality. On the contrary, assays are a type of widely used analyzing methods of samples in pharmacology, laboratory medicine , biochemistry, biotechnology, immunology , environmental biology, etc.

What does assay mean in geology?

A chemical analysis that determines the proportion of metallic (Cu, Pb Zn, Au, Ag, etc.) or non- metallic (Fl, S, P, etc.) elements in a sample is commonly referred to as an assay. A wide variety of geological materials can be chemically analyzed: these include water, vegetation, soil, sediment and rock.