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Graphene Oxide as a Platform for Copper Pentacyanonitrosylferrate Nanoparticles and their Behavior in the Electro‐oxidation of N‐Acetylcysteine
Electroanalysis ( IF 2.7 ) Pub Date : 2020-02-21 , DOI: 10.1002/elan.201900493 Vitor Alexandre Maraldi 1 , Yormary Nathaly Colmenares 2 , Priscila Fernanda Pereira Barbosa 1 , Valmor Mastelaro 2 , Devaney Ribeiro do Carmo 1
Electroanalysis ( IF 2.7 ) Pub Date : 2020-02-21 , DOI: 10.1002/elan.201900493 Vitor Alexandre Maraldi 1 , Yormary Nathaly Colmenares 2 , Priscila Fernanda Pereira Barbosa 1 , Valmor Mastelaro 2 , Devaney Ribeiro do Carmo 1
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This work describes the preparation of graphene oxide by the Modified Hummers Method and the chemical modification of its surface with nanoparticles of copper pentacyanonitrosylferrate(III) (GOCuNP). The materials obtained were characterized by Raman spectroscopy, x‐ray photoelectron spectroscopy and transmission electron microscopy. The GOCuNP was characterized by cyclic voltammetry using a graphite paste electrode that presented electrocatalytic response for N‐acetylcysteine with detection limit of 2.97×10−5 mol L−1 at concentration range of 3.00×10−5 to 6.00×10−3 mol L−1 of N‐acetylcysteine. By this way, the bimetallic complex formed is included in the list of materials obtained as potential candidates for the construction of electrochemical sensors for N‐acetylcysteine detection.
中文翻译：
氧化石墨烯为五氰基亚硝酸铁铜纳米颗粒的平台及其在N-乙酰半胱氨酸电氧化中的行为
这项工作描述了通过改良的Hummers方法制备氧化石墨烯，并用五氰基亚硝酰基高铁酸铜（III）（GOCuNP）的纳米粒子对其表面进行化学修饰。所得材料通过拉曼光谱，X射线光电子能谱和透射电子显微镜进行表征。GOCuNP的特征在于使用石墨糊电极的循环伏安法进行表征，该电极在3.00×10 -5至6.00×10 -3 mol L的浓度范围内呈现出对N-乙酰半胱氨酸的电催化响应，检出限为2.97×10 -5 mol L -1。-1N-乙酰半胱氨酸。通过这种方式，形成的双金属络合物被包括在材料清单中，作为构建用于N-乙酰半胱氨酸检测的电化学传感器的潜在候选物。
更新日期：2020-02-21
中文翻译：
氧化石墨烯为五氰基亚硝酸铁铜纳米颗粒的平台及其在N-乙酰半胱氨酸电氧化中的行为
这项工作描述了通过改良的Hummers方法制备氧化石墨烯，并用五氰基亚硝酰基高铁酸铜（III）（GOCuNP）的纳米粒子对其表面进行化学修饰。所得材料通过拉曼光谱，X射线光电子能谱和透射电子显微镜进行表征。GOCuNP的特征在于使用石墨糊电极的循环伏安法进行表征，该电极在3.00×10 -5至6.00×10 -3 mol L的浓度范围内呈现出对N-乙酰半胱氨酸的电催化响应，检出限为2.97×10 -5 mol L -1。-1N-乙酰半胱氨酸。通过这种方式，形成的双金属络合物被包括在材料清单中，作为构建用于N-乙酰半胱氨酸检测的电化学传感器的潜在候选物。
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