Additionally, mechanisms relating to triboluminescence, chemiluminescence, and electroluminescence have been suggested. A related hypothesis involves the natural chemiluminescence of phosphine. Bioluminescence and electrochemiluminescence are subtypes of chemiluminescence. Excited state singlet molecular oxygen is responsible for red chemiluminescence in solution. Both of these sources provide a suitable spectrum of ultraviolet light that induces chemiluminescence. The enhancement of light emission is called enhanced chemiluminescence (ECL). His videos range from life hacks to chemiluminescence in action. A standard example of chemiluminescence in the laboratory setting is the luminol test. Development of the infrared chemiluminescence technique improved analyses of energy behaviours in chemical reactions. A light stick emits light by chemiluminescence. Some commonly used techniques include&colon; infrared and ultraviolet adsorption, chemiluminescence, fluorescence and beta ray absorption. Bioluminescence is a form of chemiluminescence where light energy is released by a chemical reaction. Detection methods are usually colorimetric or chemiluminescence based. Enhanced chemiluminescence allows detection of minute quantities of a biomolecule. On antibody-antigen binding a chemiluminescence reaction produces light.