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Author:

白宝清 (白宝清.) | 赵丽娇 (赵丽娇.) (Scholars:赵丽娇) | 钟儒刚 (钟儒刚.) (Scholars:钟儒刚)

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Abstract:

为了探讨亚硝基脲类抗癌药物对DNA的股间交联作用,以合成的1-[N-(2′-脱氧胞基)]-2-[N-(2′-脱氧鸟基)]乙烷(dG-dC)为标准品,使用高效液相色谱-电喷雾串联质谱(HPLC-ESI-MS/MS)方法测定了小牛胸腺DNA中1,3-双(2-氯乙基)-1-亚硝基脲(BCNU)导致的DNA股间交联物。DNA样品经过变性、酶解和离心过滤后,以乙酸铵溶液和乙腈为流动相,经C18反向色谱柱分离。样品经电喷雾离子源(ESI)正离子化后,采用质谱一级和二级全扫描进行定性分析;采用选择反应扫描(SRM)方式,以m/z521→289作为检测的离子碎片,测定DNA样品中dG-dC的含量。本研究为DN...

Keyword:

高效液相色谱-电喷雾串联质谱 DNA股间交联 亚硝基脲

Author Community:

  • [ 1 ] 北京工业大学生命科学与生物工程学院

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Source :

分析化学

Year: 2010

Issue: 04

Volume: 38

Page: 532-536

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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