高效毛细管电泳法在药物分析中的应用研究

被引:0
作者
刘荔贞
机构
[1] 山西大学
关键词
高效毛细管电泳; 葛根素; 大豆苷元; 芦丁; 阿魏酸; 药物; 生物样品;
D O I
暂无
年度学位
2012
学位类型
硕士
导师
摘要
第一章:本章分别介绍了毛细管电泳的发展历史、基本原理、分离模式及其检测联用技术。综述了近几年来毛细管电泳技术在离子分析、小分子分析、食品、环境监测、生命科学和药物分析领域中的应用,并在此基础上阐述了本论文的研究内容和意义。 第二章:利用高效毛细管电泳法(HPCE),配以二极管阵列检测器测定了心可舒胶囊和生物样品中葛根素的含量。以未涂层弹性石英毛细管柱(57cmx75μm,有效长度50cm)为分离通道,70mmol·L-1硼酸-硼砂(pH9.2)为电泳缓冲溶液,分离电压为25kV,毛细管柱温25℃,检测波长254nm。葛根素进样浓度在0.01728-0.13824mg·mL-1范围内线性关系良好,r=0.9998,检出限(S/N=3)为3.456xlO-5mg·mL-1,葛根素的平均加样回收率为97.4-103%,RSD为0.58-2.52%(n=5)。该方法简便、快捷、灵敏,可用于含葛根素类药物的质量控制和临床体内药物的分析检测。 第三章:利用高效毛细管电泳法(HPCE),配以二极管阵列检测器测定了药物和生物样品中葛根素、大豆苷元、芦丁和阿魏酸的含量。以未涂层弹性石英毛细管柱(57cmx75μm,有效长度50cm)为分离通道,50mmol·L-1硼酸-硼砂(pH9)为电泳缓冲溶液,分离电压为25kV,毛细管柱温25℃,检测波长254nm。峰面积和迁移时间的日内相对标准偏差分别在1.11-2.88%和0.2~0.63%范围内;日间相对标准偏差分别在1.16-2.1%和0.32-1.13%范围内。葛根素、大豆苷元、芦丁和阿魏酸的检出限(S/N=3)分别为:4.77×10-6、2.21×10-7、7.25×10-7和6.11x10-6mg/mL。该方法简便、快捷、灵敏,可很好的同时分离测定这四种物质。 第四章:利用高效毛细管电泳法(HPCE),配以二极管阵列检测器测定了葛根及其制剂脑得生片中葛根素和大豆苷元的含量。以未涂层弹性石英管柱(57cmx75μm,有效长度50cm)为分离通道,60mmol·L-1硼砂-硼酸(pH9.0)为电泳缓冲溶液,分离电压为25kV,毛细管柱温25℃,检测波长254nm。葛根素和大豆苷元浓度与峰面积分别在0.2~1.2mg·mL-1和0.1~0.6mg·mL-1范围内呈良好的线性关系,检出限(S/N=3)分别为27.5ng·mL-1和12.7ng·mL-1,该方法简便、快捷、灵敏,可用于葛根和脑得生片的快速常规检测。
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