Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1-2
|
pubmed:dateCreated |
1995-10-12
|
pubmed:abstractText |
The vibrational degrees of freedom of room-temperature rhodopsin (RhRT), the central trans-membrane protein in vision, are measured at room temperature by picosecond resonance coherent anti-Stokes Raman scattering (PR/CARS). High signal-to-noise PR/CARS data for the ethylenic stretching, Schiff base, and hydrogen-out-of-plane modes of the retinal chromophore are quantitatively analyzed via third-order susceptibility relationships. The accurate determination of spectral features permit the PR/CARS bandshapes to be analyzed as a function of RhRT concentration, an essential factor in using picosecond time-resolved CARS techniques to measure the vibrational spectroscopy of picosecond intermediates in the RhRT photosequence. Of particular importance is the recognition that PR/CARS bandshapes are sensitive functions of both the chromophore concentration and the excitation wavelength, as measured relative to the absorption spectra of specific chromophores (static and transient).
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:issn |
0301-4622
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
56
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
129-35
|
pubmed:dateRevised |
2006-11-15
|
pubmed:meshHeading |
pubmed-meshheading:7662861-Animals,
pubmed-meshheading:7662861-Cattle,
pubmed-meshheading:7662861-Kinetics,
pubmed-meshheading:7662861-Protein Conformation,
pubmed-meshheading:7662861-Retinaldehyde,
pubmed-meshheading:7662861-Rhodopsin,
pubmed-meshheading:7662861-Scattering, Radiation,
pubmed-meshheading:7662861-Spectrum Analysis, Raman,
pubmed-meshheading:7662861-Temperature,
pubmed-meshheading:7662861-Time Factors
|
pubmed:articleTitle |
Vibrational spectra of room-temperature rhodopsin: concentration dependence in picosecond resonance coherent anti-Stokes Raman scattering.
|
pubmed:affiliation |
Department of Chemistry, University of Arizona, Tucson 85721, USA.
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
|