2010
DOI: 10.1016/j.jphotochem.2010.06.018
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Fluorescence quenching of anthrylvinyl acetate by carbon tetrachloride

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Cited by 23 publications
(9 citation statements)
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“…The dependence on TB or LOS concentration when tryptophanyl (Trp-214) and 17 tyrosyl residues of the albumin have been excited displays negative deviation from the linearity. Two of the reasons is the presence of more than one fluorophore with different accessibility to the quencher (TB or LOS) and different value of the Stern-Volmer constant (moL −1 ∙L) or the system contains a fluorophore in different environments [ 44 , 45 ]. The negative deviation observed in the Stern-Volmer plots is also explained in terms of intramolecular and intermolecular hydrogen bond complex formation with the fluorophore [ 46 ].…”
Section: Resultsmentioning
confidence: 99%
“…The dependence on TB or LOS concentration when tryptophanyl (Trp-214) and 17 tyrosyl residues of the albumin have been excited displays negative deviation from the linearity. Two of the reasons is the presence of more than one fluorophore with different accessibility to the quencher (TB or LOS) and different value of the Stern-Volmer constant (moL −1 ∙L) or the system contains a fluorophore in different environments [ 44 , 45 ]. The negative deviation observed in the Stern-Volmer plots is also explained in terms of intramolecular and intermolecular hydrogen bond complex formation with the fluorophore [ 46 ].…”
Section: Resultsmentioning
confidence: 99%
“…The static quenching constant or binding constant, K a , and number of binding sites (n) between the protein and metal complex were calculated using the following equation [26,27]:…”
Section: Discussionmentioning
confidence: 99%
“…Tryptophan fluorescence is sensitive to its environment, and is a convenient spectroscopic probe for the structure and rotational dynamics surrounding the residue [24]. Fluorescence quenching studies are not limited to just proteins: Fluorescence quenching of non-biological systems by nanoparticles, C 60 fullerenes and carbon tetrachloride have been reported in recent years [26][27][28].…”
Section: Introductionmentioning
confidence: 99%
“…The positive deviation phenomenon for S-V plots has been observed by many researchers [28, 29]. On the contrary, Naik and coworkers found that the S-V plot might show a negative deviation due to different conformations of anthrylyinyl acetate in the ground state [30].
Fig.
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Section: Resultsmentioning
confidence: 90%