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author:

林旭聪 (林旭聪.) [1] (Scholars:林旭聪) | 郭良洽 (郭良洽.) [2] (Scholars:郭良洽) | 林艳霞 (林艳霞.) [3] | 谢增鸿 (谢增鸿.) [4] (Scholars:谢增鸿)

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Abstract:

基于蛋白质对花菁染料的共振散射效应,以新型水溶性碳菁染料(1,1′-丙磺酸-3,3,3′,3′-四甲基吲哚三次甲基碳菁-5,5′-二磺酸钾)为探针,建立了一种新的蛋白质共振散射检测体系.在最优条件下,蛋白质对该碳菁染料具有明显的散射增强作用,散射强度与蛋白质浓度成良好的线性关系,牛血清蛋白BSA和人血清蛋白HSA线性响应范围分别为0.20~15.0 μg/mL和0.50~10.0 μg/mL , 检测灵敏度(3 σ/K)为0.05、0.10 μg/mL.测定了BSA血清合成样品,回收率94.5%~104.0%;测定HSA血清合成样品,回收率95.6%~103.0%,测定相对标准偏差为1.1%~1.9%,测定较为稳定、准确.

Keyword:

散射测定 水溶性花菁染料 蛋白质

Community:

  • [ 1 ] [林旭聪]福州大学
  • [ 2 ] [郭良洽]福州大学
  • [ 3 ] [林艳霞]福州大学
  • [ 4 ] [谢增鸿]福州大学

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Source :

分析测试技术与仪器

ISSN: 1006-3757

CN: 62-1123/O6

Year: 2007

Issue: 2

Volume: 13

Page: 83-87

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 0

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