Incorporation of Sample Stacking Techniques into the Capillary Electrophoresis CF-FAB Mass Spectrometric Analysis of DNA Adducts
作者:Susan M. Wolf、Paul. Vouros
DOI:10.1021/ac00101a016
日期:1995.3.1
zone electrophoresis coupled to continuous flow fast atom bombardment mass spectrometry for the analysis of DNA adducts. It was found that, with stacking, the concentration detection limit of deoxynucleotide adducts could be improved by as much as 3 orders of magnitude, thereby bringing it into the 10(-8) M range. In addition, the mass spectrometric mass detection limits of a model acetylaminofluorene
样品堆叠用于提高毛细管区带电泳与连续流快速原子轰击质谱联用的检测限,以分析DNA加合物。发现通过堆叠,脱氧核苷酸加合物的浓度检测极限可以提高多达3个数量级,从而使其达到10(-8)M范围。此外,发现乙酰氨基芴脱氧鸟嘌呤5'-单磷酸酯加合物的质谱质量检测极限在全扫描范围内处于低picomole范围内,而对于所选片段的多反应监测则处于低femtomole范围内。该技术已应用于分析N-乙酰氧基-N-乙酰基-2-氨基芴与DNA的体外反应中形成的加合物。