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[Spatial orientation interaction mechanism of three component complex of protein--BSA/SDS/Azur a system].


PMID 16379295

Abstract

The interaction of bovine serum albumin (BSA), sodium dodecyl sulphate (SDS) and Azur A(AA) was studied by spectral probe. The influence of the molar ratio of SDS/BSA on the absorption spectra of BSA-SDS-AA complex was investigated. It was found that the new absorption peak and color changes generated by BSA-SDS-AA complex arose from the difference in the spatial orientation aggregative degree of AA binding on BSA-SDS-AA complex.