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MnO纳米棒-离子液体修饰碳糊电极在伏安法测定磺胺中的应用。

Application of MnO Nanorod-Ionic Liquid Modified Carbon Paste Electrode for the Voltammetric Determination of Sulfanilamide.

作者信息

Beitollahi Hadi, Tajik Somayeh, Di Bartolomeo Antonio

机构信息

Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman 7631885356, Iran.

Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 7616913555, Iran.

出版信息

Micromachines (Basel). 2022 Apr 10;13(4):598. doi: 10.3390/mi13040598.

DOI:10.3390/mi13040598
PMID:35457903
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9028730/
Abstract

The current work introduced a convenient single-phase hydrothermal protocol to fabricate MnO nanorods (MnO NRs). Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), Energy-dispersive X-ray spectroscopy (EDX) and field-emission scanning electron microscopy (FE-SEM) were used to determine the characteristics of MnO NR. Then, ionic liquid (IL) and MnO NRs were utilized to modify a carbon paste electrode (CPE) surface (MnONR-IL/CPE) to voltammetrically sense the sulfanilamide (SAA). An enhanced voltammetric sensitivity was found for the as-developed modified electrode toward SAA when compared with a bare electrode. The optimization experiments were designed to achieve the best analytical behavior of the SAA sensor. Differential pulse voltammetry (DPV) in the optimized circumstances portrayed a linear dependence on various SAA levels (between 0.07 and 100.0 μM), possessing a narrow detection limit (0.01 μM). The ability of the modified electrode to be used in sensor applications was verified in the determination of SAA present in the actual urine and water specimens, with impressive recovery outcomes.

摘要

当前的工作引入了一种简便的单相水热方法来制备二氧化锰纳米棒（MnO NRs）。采用傅里叶变换红外光谱（FT-IR）、X射线衍射（XRD）、能量色散X射线光谱（EDX）和场发射扫描电子显微镜（FE-SEM）来确定MnO NR的特性。然后，利用离子液体（IL）和MnO NRs对碳糊电极（CPE）表面进行修饰（MnONR-IL/CPE），以伏安法检测磺胺（SAA）。与裸电极相比，发现所制备的修饰电极对SAA具有增强的伏安灵敏度。设计了优化实验以实现SAA传感器的最佳分析性能。在优化条件下的差分脉冲伏安法（DPV）显示出对不同SAA水平（0.07至100.0 μM）呈线性依赖关系，具有较窄的检测限（0.01 μM）。通过测定实际尿液和水样中的SAA，验证了修饰电极在传感器应用中的能力，回收率结果令人满意。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/030f1bc119f3/micromachines-13-00598-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/bfc38d7a7f0d/micromachines-13-00598-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/bef6cc4604f2/micromachines-13-00598-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/47e562bd69e6/micromachines-13-00598-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/a7186ef4fbb6/micromachines-13-00598-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/0394fa337970/micromachines-13-00598-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/d3e3380bbc65/micromachines-13-00598-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/6f785e6d774a/micromachines-13-00598-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/d9da475fe0f1/micromachines-13-00598-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/16fab604d540/micromachines-13-00598-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/030f1bc119f3/micromachines-13-00598-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/bfc38d7a7f0d/micromachines-13-00598-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/bef6cc4604f2/micromachines-13-00598-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/47e562bd69e6/micromachines-13-00598-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/a7186ef4fbb6/micromachines-13-00598-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/0394fa337970/micromachines-13-00598-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/d3e3380bbc65/micromachines-13-00598-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/6f785e6d774a/micromachines-13-00598-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/d9da475fe0f1/micromachines-13-00598-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/16fab604d540/micromachines-13-00598-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b33/9028730/030f1bc119f3/micromachines-13-00598-g010.jpg

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