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A new assay of thiamine (Vitamin B 1 ) is proposed by use of total internal reflected resonance light scattering (TIR-RLS) with high selectivity and sensitivity. At pH 3.29 and ionic strength 0.003, the adsorption of thiamine with anionic surfactants, such as sodium dodecylbenzene sulfonate (SDBS), sodium dodecylsulfonate (SDS) and sodium lauryl sulfate (SLS), occurs at the water/tetrachloromethane...
A direct quantification of human serum albumin (HSA) in blood serum samples without separation is proposed based on the measurements of total internal reflected resonance light scattering (TIR-RLS) at water/tetrachloromethane (H 2 O/CCl 4 ) interfaces. In the pH range of 6.37-6.59, the coadsorption of the binary complex of HSA-Th(IV) with sodium dodecylbenzene sulfonate occurs at the...
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