Search results
Results from the WOW.Com Content Network
A radioimmunoassay (RIA) is an immunoassay that uses radiolabeled molecules in a stepwise formation of immune complexes.A RIA is a very sensitive in vitro assay technique used to measure concentrations of substances, usually measuring antigen concentrations (for example, hormone levels in blood) by use of antibodies.
In the field of sensors of analytes, glucose sensors have been at the forefront due to the large amount of research into glucose sensors as a result of the prevalence of diabetes, [23] nevertheless, a wide breadth of optic fibre-based biosensors, mainly using enzymes, immunoassays, nucleic acids, whole cells or biomimetic materials and relying ...
Chemiluminescent immunoassay (CLIA) is a type of immunoassay employing chemiluminescence. [1] [2] See also. Enzyme-linked immunosorbent assay (ELISA) References
In 1983, Professor Anthony Campbell [4] at Cardiff University replaced radioactive iodine used in immunoassay with an acridinium ester that makes its own light: chemiluminescence. This type of immunoassay is now used in around 100 million clinical tests every year worldwide, enabling clinicians to measure a wide range of proteins, pathogens and ...
Chemiluminescence differs from fluorescence or phosphorescence in that the electronic excited state is the product of a chemical reaction rather than of the absorption of a photon. It is the antithesis of a photochemical reaction, in which light is used to drive an endothermic chemical reaction.
A cloned enzyme donor immunoassay (CEDIA) is a competitive homogenous enzyme immunoassay. [1] This assay makes use of two component fragments of an enzyme which are each individually inactive. Under the right conditions in solution these fragments can spontaneously reassemble to form the active enzyme.
A NASA illustration of a lateral flow assay. A lateral flow test (LFT), [1] is an assay also known as a lateral flow immunochromatographic test (ICT), or rapid test.It is a simple device intended to detect the presence of a target substance in a liquid sample without the need for specialized and costly equipment.
The glucose clamp technique was developed by University of Texas (UT) School of Medicine Professors DeFronzo, Andres and Tobin in 1979. [2] It has since been the gold standard for pharmacodynamic studies in diabetes drug development and diagnostics evaluation. [3]