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author:

叶芳贵 (叶芳贵.) [1] | 谢增鸿 (谢增鸿.) [2] (Scholars:谢增鸿) | 林旭聪 (林旭聪.) [3] (Scholars:林旭聪) | 郭良洽 (郭良洽.) [4] (Scholars:郭良洽) | 陈国南 (陈国南.) [5] (Scholars:陈国南)

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CQVIP

Abstract:

基于DNA对荧光素(FL)-中性红(NR)分子间荧光能量转移的抑制作用,以荧光素-中性红为荧光探针,考察该探针与DNA的结合反应,建立了准确测定DNA的新方法,在pH=6.5条件下,hsDNA、ctDNA和smDNA的浓度与荧光素-中性红体系的荧光比值变化量Δ(Fd/Fa)成线性关系,响应线性范围分别为0.25~6.25 μg/mL、0.10~5.00 μg/mL、0.10~4.00 μg/mL,检测限(3σ/K)分别为0.021 μg/mL、0.025 μg/mL和0.023 μg/mL;分析测定了DNA合成样品,回收率91.3 %~101.4 %,相对标准偏差小于4.2 %.

Keyword:

DNA荧光探针 中性红 荧光素

Community:

  • [ 1 ] [叶芳贵]福州大学
  • [ 2 ] [谢增鸿]福州大学
  • [ 3 ] [林旭聪]福州大学
  • [ 4 ] [郭良洽]福州大学
  • [ 5 ] [陈国南]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: 2003

Issue: 2

Volume: 9

Page: 74-79

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:

30 Days PV: 1

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