Electrochemical Oxidation and Detection of Morphine at Ordered Mesoporous Carbon Modified Glassy Carbon Electrodes

被引：15

作者：

Bo, Xiangjie ^{[1
]}

Xie, Wenlin ^{[2
]}

Ndamanisha, Jean Chrysostome ^{[1
]}

Bai, Jing ^{[1
]}

Guo, Liping ^{[1
]}

机构：

[1] NE Normal Univ, Fac Chem, Changchun 130024, Peoples R China

[2] Evidence Identificat Ctr, Jilin Prov Publ Secur Dept, Changchun 130051, Peoples R China

来源：

ELECTROANALYSIS | 2009年 / 21卷 / 23期

关键词：

Ordered mesoporous carbon; Electrocatalysis; Morphine; Amperometric determination; AMPEROMETRIC DETECTION; ELECTROCATALYTIC OXIDATION; LIQUID-CHROMATOGRAPHY; HUMAN URINE; RAT-BRAIN; INJECTION; CODEINE; BEHAVIOR;

D O I：

10.1002/elan.200900265

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this work, three ordered mesoporous carbons (OMCs) with different structural parameters were synthesized by a simple variation of the hydrothermal temperature of the silica templates (SBA-15). X-ray diffraction and nitrogen adsorption-desorption results show these OMCs exhibit an ordered 2D hexagonal mesostructure with tunable pore diameter. OMC-modified glassy carbon electrodes exhibit efficient electrocatalytic reactivity toward oxidation of morphine (MO). The amperometric detection of MO in pH 7.0 phosphate buffered saline at +0.39 V versus Ag/AgCl is the lowest potential reported to-date. A linear range from 0.2 to 197.6 mu M and a detection limit of 0.03 mu M MO were obtained.

引用

页码：2549 / 2555

页数：7

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