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The surface-enhanced Raman scattering (SERS) studies of anserine (beta-alanyl-N-methylhistidine) was carried out on colloidal silver nanoparticles to understand its adsorption characteristics. The experimentally observed Raman bands were assigned based on the results of DFT calculations. The studies suggest that the interaction of anserine is primarily through the carboxylate group with the imidazole...
Photophysical properties of 2,6-diamino-9,10-anthraquinone (2,6-DAAQ) dye have been investigated in different solvents and solvent mixtures. The fluorescence quantum yields, fluorescence lifetimes, radiative rate constants, nonradiative rate constants and absorption and fluorescence spectral characteristics show unusual deviations in the lower polarity aprotic solvents in comparison to those in other...
Surface enhanced Raman scattering of benzotriazole in aqueous silver sol at pH ~9 has been investigated. The spectra of the molecule at various concentrations were recorded and the maximum enhancement was observed with a 10 -5 M solution. From the comparison of the surface enhanced Raman spectra with the conventional Raman spectra and applying 'surface selection rule', it is inferred...
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