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散射光技术是研究聚合物科学的有力工具 [1 ] .近年来 ,人们尝试将散射光技术应用于核酸和蛋白质的测定 [2～ 4] ,获得了极高的测定灵敏度 ,为生物化学和临床分析中微量生物大分子的测定开辟了一条新途径 .苯甲天青 (Benzoazurine,BA)是一种常用的生物染色剂 ,由于其分子结构中
Scattered light technology is a powerful tool for the study of polymer science [1]. In recent years, people have tried to apply the technique of scattering light to the determination of nucleic acids and proteins [2-4], obtained extremely high sensitivity for biochemistry and clinical A new approach has been opened up for the analysis of trace biomacromolecules, Benzoazurine (BA), a commonly used biological stain, due to its molecular structure