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
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
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用镍 (II) 去甲络合物和碳纳米管修饰的玻璃碳电极，用于同时或单独测定抗坏血酸、多巴胺和尿酸
DOI：
10.1007/s00604-016-1843-2
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发表时间：
2016-07-01
影响因子：
5.7
通讯作者：
Huang, Haowen
中科院分区：
文献类型：
--
作者：
Deng, Keqin;Li, Xiaofang;Huang, Haowen
作者报告了一种混合材料的合成，该材料由非共价结合到碳纳米管 (CNT-NiNC) 的类卟啉金属配合物镍 (II) 降咯咯组成。通过紫外-可见光、傅里叶变换红外光谱和热重分析对混合物进行了表征。 CNTNiNC杂化物对抗坏血酸、多巴胺和尿酸的氧化具有高催化活性和选择性。它被用来修饰玻碳电极，该电极随后被证明能够在 pH 6.5 和 -70、200 和 380 mV（相对于 SCE）的典型工作电位下同时或单独测定抗坏血酸 (AA)、多巴胺 (DA) 和尿酸 (UA)。 AA 的检测限（SNR 为 3）为 2.0 μM，DA 为 0.1 μM，UA 为 0.4 μM。
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.