chromophore

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  • noun

Words related to chromophore

the chemical group that gives color to a molecule

References in periodicals archive ?
Consequently, the capability of a polymer to absorb UV energy is affected by both the chemical structure of the polymer as well as the presence and location of the chromophoric impurities.
The behavior of the chromophoric dye was investigated as it relates to layer ordering, dye aggregation, and film morphology.
Precolumn labeling of lipoproteins was not considered a viable alternative, because incorporation of a chromophoric or fluorescent probe into the LDL particle may lead to an increase in size.
Brightness gain is achieved by the attack of these perhydroxyl anions on light absorbing chromophoric groups of lignin and cellulose (carbonyl and conjugated carbonyl groups and quinones).
These are again chromophoric materials which are to blame for polyurethanes turning brown in sunlight.
For anisotropic phase the rotation exhibits sign inversion, resembling with the Cotton effect for a chromophoric group in a chiral environment.
Taking such an initial reaction as a starting point, various schemes have been posited to account for the early appearance of chromophoric species in degrading samples of nylon.
As exposure proceeds, the attenuation of UV light from the epoxy layer is becoming more severe due to the formation of the chromophoric photoproducts through epoxy degradation.
It must be emphasized that the potent antibacterial activity of coleon U (1), the only abietane with the more oxygenated and dehydrogenated chromophoric system through rings B and C (a diosphenolic oxohydroquinone, characteristic of a coleon-type abietane).
Chemistry of potential chromophoric groups in beech lignin.
5,787,032, entitled "Deoxyribonucleic Acid (DNA) Optical Storage Using Non-Radiative Energy Transfer Between a Donor Group, An Acceptor Group and a Quencher Group," covers optical memory devices using chromophoric memory units adapted to receive and re-emit photonic energy based on the action or non-action of a quencher.
Firstly, the absorption maximum of the chromophoric residue is located above 600 nm ([A.
This result indicates that the chromophoric lignin in wood was more responsible for the surface color changes of WPVC than the effect of fungicide addition, especially for IPBC.
The second step specifically transforms the substitution products obtained with GSH into a chromophoric thione whose maximal absorbance wavelength is 400 nm.
In woods, lignin is the key structure and responsible for photodegradation reaction as the lignin has ability to absorb in the UV/visible region because of its chromophoric groups [9].