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IJC-A Vol.49A(07) [July 2010] >


Title: Fluorescence resonance energy transfer from proflavin hemisulphate to rose bengal in aqueous micellar solution
Authors: Bhattar, S L
Kolekar, G B
Patil, S R
Keywords: Fluorescence resonance
Fluorescence quenching
Proflavine hemisulphate
Energy transfer
Dyes
Rose bengal
Issue Date: Jul-2010
Publisher: CSIR
Abstract: The fluorescence resonance energy transfer from proflavine hemisulphate to rose bengal in aqueous sodium dodecyl sulfate has been investigated at room temperature using steady-state fluorescence spectroscopy technique. The fluorescence of proflavine hemisulphate is quenched by rose bengal and the quenching is in accordance with Stern-Volmer relationship. The efficiency of energy transfer is found to depend upon concentration of rose bengal. The value of critical energy transfer distance calculated by using Foster relationship (27.2 Å) is less than 50 Å, indicating efficient energy transfer occurs in this donor-acceptor pair.
Page(s): 896-900
Source:IJC-A Vol.49A(07) [July 2010]

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