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author:

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

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CQVIP

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0.20~15.0μg/mL和0.50~10.0μg/mL,检测灵敏度(3σ/K)为0.05、0.10μg/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 ] 福州大学化学化工学院,福建福州350002

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Source :

分析测试技术与仪器

ISSN: 1006-3757

Year: 2007

Issue: 2

Volume: 13

Page: 83-87

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 0

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