Chemiluminescence

Chemiluminescence (pronunciation: /ˌkɛmiːloʊˌluːmɪˈnɛsəns/) is a process by which light is emitted as a product of a chemical reaction.

Etymology

The term "chemiluminescence" is derived from the Greek words "chemia" meaning "chemistry" and "luminescence" meaning "light emission".

Definition

Chemiluminescence is a form of luminescence where light energy is produced by a chemical reaction. This reaction typically involves the oxidation of a chemical (the luminophore) and the emission of a photon of light. The emitted light is usually in the visible or near-infrared range, but can also be in the ultraviolet range.

Related Terms

Bioluminescence: A type of chemiluminescence that occurs in living organisms.
Luminol: A common chemical used in chemiluminescence reactions.
Chemiluminescent immunoassay: A type of immunoassay that uses chemiluminescence to detect the presence of specific substances.
Photoluminescence: The emission of light from any form of matter after the absorption of photons.

Applications

Chemiluminescence is used in a variety of applications, including forensic science, environmental monitoring, and medical diagnostics. In forensic science, it is used to detect trace amounts of blood at crime scenes. In environmental monitoring, it is used to detect and measure levels of various pollutants. In medical diagnostics, it is used in immunoassays to detect the presence of specific substances in a sample.

External links

Medical encyclopedia article on Chemiluminescence
Wikipedia's article - Chemiluminescence

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Chemiluminescence