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Electrogenerated chemiluminescence sensor for the determination of metoclopramide using ordered mesoporous carbon for im
A novel electrogenerated chemiluminescence (ECL) sensor for the determination of metoclopramide was developed by employing ruthenium complex as an ECL signal producer and an ordered mesoporous carbon (OMC) material as modified material. The ECL sensor was fabricated by adsorption ruthenium complex into a mixture of OMC and Nafion, which showed good electrochemical and ECL behaviors. It was found that the ECL intensity of the sensor fabricated was greatly enhanced in the presence of metoclopramide. Based on this finding, a highly sensitive and reproducible ECL method was developed for the determination of metoclopramide. The result showed that the ECL intensity was linear with the concentration of metoclopramide in the range from 1.0×10-10 to 5.0×10-7M and the detection limit was 3×10-11M. The ECL sensor exhibited a long-term stability and a fine reproducibility with relative standard deviation of 1.0 % for 1.0×10-10M metoclopramide in 18 continuous determinations. The developed method has been applied to the determination of metoclopramide in tablet samples with satisfactory results.
作 者： Shao-Heng Liu Li-Juan Jia Wang-Ming Lou Hong-Lan Qi Cheng-Xiao Zhang 作者單位： Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, China 刊 名： 西安交通大學(xué)學(xué)報(bào)（英文版） 英文刊名： ACADEMIC JOURNAL OF XI'AN JIAOTONG UNIVERSITY(ENGLISH EDITION) 年，卷(期)： 2010 22(1) 分類號： U4 關(guān)鍵詞： metoclopramide pharmaceutical analysis chemical sensor electrogenerated chemiluminescence ruthenium complex【Electrogenerated chemiluminescence s】相關(guān)文章：
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