chromophore


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.
Related to chromophore: Auxochrome

chromophore

[′krō·mə‚fȯr]
(chemistry)
An arrangement of atoms that gives rise to color in many organic substances.
References in periodicals archive ?
Loss of cone photoreceptors caused by chromophore depletion is partially prevented by the artificial chromophore pro-drug, 9-cis-retinyl acetate.
We use this pipeline to test the hypothesis that naturally occurring genes belonging to the class A/rhodopsin-like GPCR class possess an active-site lysine outside of the seventh alpha helix and are capable of binding to a retinal-based chromophore in photoreceptive structures.
At this point, the aforementioned device, which takes into account the scattering of tissue, is to determine the concentration of chromophores (or optical absorbers) due to attenuated light strikes to the superficial layer of tissue.
Mechanisms of dopamine and dobutamine interference in biochemical tests that use a peroxide and peroxidase to generate chromophore.
absence of chromophore or conjugated system to give a reliable UV/florescence signal(s).
Realan(R) Black MF-PV for wool that is based on a newly developed chromophore free of heavy metals.
This exciton jumps from one chromophore to another until it reaches a reaction center, where that energy is harnessed to build the molecules that support life.
The skin chromophore maps are calculated from the four spectral images, and the perfusion map and fluorophore distribution map--from the video-images taken at green and ultraviolet illumination of the skin, respectively.
A recent adsorption study of the chromophore on a glass surface by evanescent wave cavity ring-down spectroscopy assumed localized bonding by coulombic attraction between the dye cation and negatively charged dissociated silanol sites on the glass.
Absorption of a UV photon transfers the chromophore into an excited electronic state.
The changes in absorption at discrete wavelengths generate raw optical data that can be converted by mathematical software algorithms into real-time concentration changes for each chromophore using a modification of the Beer-Lambert law.