Development of a Graphene Oxide-ZnO Nanorod Composite for Sensitive Determination of Catecholamine

Feng Zhang and Danni Li

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Development of a Graphene Oxide-ZnO Nanorod Composite for Sensitive Determination of Catecholamine

机译：氧化石墨烯-ZnO纳米棒复合物用于灵敏测定邻苯二酚胺的开发

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The present study proposed a facile hydrothermal method for the preparation of a reduced graphene oxide-ZnO (RGO-ZnO) nanorod composite. A GCE modified by this nanocomposite was used for the determination of catecholamine (CA). The proposed biosensor showed a linear dependence on the CA concentration in the range of 1 to 800 μM. The limit of detection was obtained as 0.322 μM based on the signal-to-noise ratio of 3. Furthermore, our developed biosensor proved highly stable and reproducible, with good anti-interference properties towards the detection of CA.

机译：本研究提出了一种简便的水热法来制备还原型氧化石墨烯-ZnO（RGO-ZnO）纳米棒复合材料。该纳米复合材料修饰的GCE用于测定儿茶酚胺（CA）。所提出的生物传感器在1至800μM范围内显示出对CA浓度的线性依赖性。基于3的信噪比，检测极限为0.322μM。此外，我们开发的生物传感器被证明具有很高的稳定性和可重复性，并且对CA的检测具有良好的抗干扰性。

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《International Journal of Electrochemical Science》 |2018年第4期|共8页
作者
Feng Zhang and Danni Li;
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中图分类化学;
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Development of a Graphene Oxide-ZnO Nanorod Composite for Sensitive Determination of Catecholamine

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