Abstract
AbstractThe interactions of ovalbumin (OVA) with one anionic surfactant, sodium dodecyl sulfate (SDS), and two cationic surfactants, dodecyl trimethylammonium bromide (DTAB) and cetyl trimethylammonium bromide (CTAB), in water have been studied through fluorescence and UV‐Vis spectroscopies and transmission electronic microscopy, combined with the measurement of conductivity. OVA can increase the critical micelle concentrations (cmc) of SDS and CTAB but has little effect on that of DTAB. The interaction between surfactant monomer and OVA is greater than that between surfactant micelles and OVA. Moreover, SDS can make OVA unfolded while cationic surfactants cannot.
Published Version
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