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Determination of Protein in Human Serum by Arsenazo Ⅲ-Ba(Ⅱ)Resonance Light Scattering
Author(s): 
Pages: 29-33
Year: Issue:  9
Journal: Guangdong Trace Elements Science

Abstract: 在pH 3.0~3.8的BR缓冲溶液中,偶氮胂Ⅲ-Ba(Ⅱ)与蛋白质结合形成复合物,导致体系的共振散射信号增强,据此建立了蛋白质测定的共振散射光谱法.结果表明,在优化的实验条件下,牛血清白蛋白(BSA)的线性范围为0~1.0 mg/L,检出限为21.4 μg/L;将该法用于人血清中蛋白质的测定,与医院测定结果基本一致;方法的批内精密度为2.8%(n=6),批间精密度为3.5%(n=6),回收率为9...
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