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核心技术专利：CN118964589B侵权必究
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简单制备与分层花状 NiCoO 纳米片的特性研究：日落黄电化学分析的应用。

Simple Preparation and Characterization of Hierarchical Flower-like NiCoO Nanoplates: Applications for Sunset Yellow Electrochemical Analysis.

机构信息

Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman P.O. Box 76318-85356, Iran.

Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman P.O. Box 76169-13555, Iran.

出版信息

Biosensors (Basel). 2022 Oct 22;12(11):912. doi: 10.3390/bios12110912.

DOI:10.3390/bios12110912
PMID:36354421
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9688067/
Abstract

The current work was performed to construct a novel electrochemical sensing system for determination of sunset yellow via the modification of screen-printed graphite electrode modified with hierarchical flower-like NiCoO nanoplates (NiCoO/SPGE). The prepared material (hierarchical flower-like NiCoO nanoplates) was analyzed by diverse microscopic and spectroscopic approaches for the crystallinity, composition, and morphology. Chronoamperometry, differential pulse voltammetry, linear sweep voltammetry, and cyclic voltammetry were used for determination of the electrochemical behavior of sunset yellow. The as-fabricated sensor had appreciable electro-catalytic performance and current sensitivity in detecting the sunset yellow. There were some advantages for NiCoO/SPGE under the optimized circumstances of sunset yellow determination, including a broad dynamic linear between 0.02 and 145.0 µM, high sensitivity of 0.67 μA/(μM.cm), and a narrow limit of detection of 0.008 μM. The practical applicability of the proposed sensor was verified by determining the sunset yellow in real matrices, with satisfactory recoveries.

摘要

本工作构建了一种新型电化学传感体系，通过在丝网印刷石墨电极上修饰分级花状 NiCoO 纳米片（NiCoO/SPGE），实现了日落黄的测定。采用多种微观和光谱方法对所制备的材料（分级花状 NiCoO 纳米片）进行了结晶度、组成和形态的分析。采用计时安培法、差分脉冲伏安法、线性扫描伏安法和循环伏安法测定了日落黄的电化学行为。所构建的传感器在检测日落黄方面表现出良好的电催化性能和电流灵敏度。在优化的日落黄测定条件下，NiCoO/SPGE 具有一些优点，包括在 0.02 至 145.0 μM 之间具有较宽的动态线性范围、0.67 μA/（μM·cm）的高灵敏度和 0.008 μM 的较窄检测限。通过在实际基质中测定日落黄，验证了所提出的传感器的实际适用性，回收率令人满意。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/324ca8728f11/biosensors-12-00912-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/c54de4f06e8c/biosensors-12-00912-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/bb55d035d4ac/biosensors-12-00912-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/a62422723ffb/biosensors-12-00912-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/2bdf82614fd7/biosensors-12-00912-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/c80a6477bd83/biosensors-12-00912-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/22a1a69467a1/biosensors-12-00912-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/47c3dbba111f/biosensors-12-00912-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/7bcedb45e6f4/biosensors-12-00912-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/ff6ed01a173b/biosensors-12-00912-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/b7a4d7bd08c7/biosensors-12-00912-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/ce72e9178378/biosensors-12-00912-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/799e0cbdc8f2/biosensors-12-00912-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/f182c332b103/biosensors-12-00912-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/324ca8728f11/biosensors-12-00912-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/c54de4f06e8c/biosensors-12-00912-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/bb55d035d4ac/biosensors-12-00912-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/a62422723ffb/biosensors-12-00912-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/2bdf82614fd7/biosensors-12-00912-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/c80a6477bd83/biosensors-12-00912-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/22a1a69467a1/biosensors-12-00912-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/47c3dbba111f/biosensors-12-00912-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/7bcedb45e6f4/biosensors-12-00912-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/ff6ed01a173b/biosensors-12-00912-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/b7a4d7bd08c7/biosensors-12-00912-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/ce72e9178378/biosensors-12-00912-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/799e0cbdc8f2/biosensors-12-00912-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/f182c332b103/biosensors-12-00912-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4969/9688067/324ca8728f11/biosensors-12-00912-g012.jpg

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本文引用的文献

[1]
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Chemosphere. 2022-9

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