Effect of surfactants on the aggregation of pyronin B and pyronin Y in aqueous solution
作者： Mustafa Arık , Kadem Meral , Yavuz Onganer
DOI: 10.1016/J.JLUMIN.2009.01.003
关键词: Inorganic chemistry 、 Aqueous solution 、 Absorption (chemistry) 、 Fluorescence spectroscopy 、 Pulmonary surfactant 、 Critical micelle concentration 、 Micelle 、 Chemistry 、 Equilibrium constant 、 Absorbance
摘要: Abstract Molecular dynamics of pyronin B (PyB) and Y (PyY) in aqueous solution containing different surfactants were investigated by using absorption fluorescence spectroscopy techniques. First, the interactions PyB PyY with negatively charged surfactant sodium dodecyl sulphate (SDS) below above critical micelle concentration (cmc). The H-aggregate formation dye compounds was observed for cmc SDS surfactant. absorbance band decreased according to aggregate–monomer equilibrium increasing towards cmc. Therefore, constants aggregate oscillator strengths monomer calculated from spectral studies. Moreover, discussed terms thermodynamic functions temperature positively hexadecyltrimethylammonium bromide (CTAB) neutral Triton X-100 (TX-100) also studied it that there no on spectra
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