glassy carbon electrode modified with a nickel(II) norcorrole complex and carbon nanotubes for simultaneous or individual determination of ascorbic acid, dopamine, and uric acid

被引：34
作者：
Deng, Keqin [1 ]
Li, Xiaofang [1 ]
Huang, Haowen [1 ]
机构：
[1] Hunan Univ Sci & Technol, Key Lab Theoret Organ Chem & Funct Mol, Minist Educ, Xiangtan 411201, Peoples R China
来源：
MICROCHIMICA ACTA | 2016年 / 183卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Nanocomposite; Hybridmaterial; Porphyrinoid; Multi-walled carbon nanotubes; FTIR; PHOTOPHYSICAL PROPERTIES; CORROLE; CHEMISTRY;
D O I：
10.1007/s00604-016-1843-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The authors report on the synthesis of a hybrid material consisting of the porphyrinoid metal complex nickel(II) norcorrole that was noncovalently bound to carbon nanotubes (CNT-NiNC). The hybrid was characterized by UV-vis, FTIR spectroscopy, and thermogravimetric analysis. The CNTNiNC hybrid possesses high catalytic activity and selectivity toward the oxidation of ascorbic acid, dopamine, and uric acid. It was used to modify a glassy carbon electrode which then is shown to enable simultaneous or individual determination of ascorbic acid (AA), dopamine (DA), and uric acid (UA) at pH 6.5 and typical working potentials of -70, 200 and 380 mV (vs. SCE). The detection limits (at an SNR of 3) are 2.0 mu M for AA, 0.1 mu M for DA, and 0.4 mu M for UA.
引用
收藏
页码：2139 / 2145
页数：7
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