An Analyte is the substance or chemical constituent that is undergoing analysis. It is the substance being measured in an analytical procedure. A chemical substance is any material substance used in or obtained by a process in chemistry: A chemical compound is a substance consisting of two or more chemical elements that are chemically combined in fixed proportions. ... An analysis is a critical evaluation, usually made by breaking a subject (either material or intellectual) down into its constituent parts, then describing the parts and their relationship to the whole. ...

For instance, in an immunoassay, the analyte may be the ligand or the binder, while in blood glucose testing, the analyte is glucose. An immunoassay is a biochemical test that measures the level of a substance in a biological liquid, typically serum or urine, using the reaction of an antibody or antibodies to its antigen. ... In chemistry, a ligand is an atom, ion or functional group that is bonded to one or more central atoms or ions, usually metals generally through coordinate covalent bond. ... The reaper-binder or binder was a farm implement that improved upon the reaper. ... In medicine, blood sugar is glucose in the blood. ... Glucose (Glc), a simple monosaccharide sugar, is one of the most important carbohydrates and is used as a source of energy in animals and plants. ...