木犀草素在玻碳电极上的直接电化学行为及其测定
O657.1; 应用循环伏安法研究木犀草素于玻碳电极的电化学行为. 在磷酸盐缓冲液中(pH 4.0),-0.2～+0.8V电位区间内,木犀草素于玻碳电极表面发生的电极反应是吸附控制的准可逆2电子转移过程,电子转移系数α = 0.66;建立了检测木犀草素含量的差示脉冲伏安法(DPV). 在富集电位+0.4 V下,经富集240s后,测得木犀草素氧化峰电流Ip与其浓度在1.0×10-8～1.0×10-6 mol·L-1范围内呈良好的线性关系,最低检出限为5.0×10-9 mol·L-1. 本法操作简单、快速、灵敏、准确,可为木犀草素药物质量的控制和检测提供一种简便的新方法....
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| Published in | 电化学 Vol. 13; no. 4; pp. 441 - 444 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
福建医科大学药学院,药物分析系,福建,福州,350004
2007
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1006-3471 |
| DOI | 10.3969/j.issn.1006-3471.2007.04.018 |
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| Abstract | O657.1; 应用循环伏安法研究木犀草素于玻碳电极的电化学行为. 在磷酸盐缓冲液中(pH 4.0),-0.2～+0.8V电位区间内,木犀草素于玻碳电极表面发生的电极反应是吸附控制的准可逆2电子转移过程,电子转移系数α = 0.66;建立了检测木犀草素含量的差示脉冲伏安法(DPV). 在富集电位+0.4 V下,经富集240s后,测得木犀草素氧化峰电流Ip与其浓度在1.0×10-8～1.0×10-6 mol·L-1范围内呈良好的线性关系,最低检出限为5.0×10-9 mol·L-1. 本法操作简单、快速、灵敏、准确,可为木犀草素药物质量的控制和检测提供一种简便的新方法. |
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| AbstractList | O657.1; 应用循环伏安法研究木犀草素于玻碳电极的电化学行为. 在磷酸盐缓冲液中(pH 4.0),-0.2～+0.8V电位区间内,木犀草素于玻碳电极表面发生的电极反应是吸附控制的准可逆2电子转移过程,电子转移系数α = 0.66;建立了检测木犀草素含量的差示脉冲伏安法(DPV). 在富集电位+0.4 V下,经富集240s后,测得木犀草素氧化峰电流Ip与其浓度在1.0×10-8～1.0×10-6 mol·L-1范围内呈良好的线性关系,最低检出限为5.0×10-9 mol·L-1. 本法操作简单、快速、灵敏、准确,可为木犀草素药物质量的控制和检测提供一种简便的新方法. |
| Author | 张少波 吴潇霎 李丽萍 林新华 黄丽英 曹扬远 刘爱林 |
| AuthorAffiliation | 福建医科大学药学院,药物分析系,福建,福州,350004 |
| AuthorAffiliation_xml | – name: 福建医科大学药学院,药物分析系,福建,福州,350004 |
| Author_FL | LIU Ai-lin CAO Yang-yuan ZHANG Shao-bo LI Li-ping WU Xiao-sha HUANG Li-ying LIN Xin-hua |
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| Author_xml | – sequence: 1 fullname: 刘爱林 – sequence: 2 fullname: 张少波 – sequence: 3 fullname: 吴潇霎 – sequence: 4 fullname: 李丽萍 – sequence: 5 fullname: 曹扬远 – sequence: 6 fullname: 黄丽英 – sequence: 7 fullname: 林新华 |
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| Keywords | 黄酮类化合物 玻碳电极 木犀草素 伏安法 |
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| Title | 木犀草素在玻碳电极上的直接电化学行为及其测定 |
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