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用于双酚A灵敏电化学传感的4-戊烯酰基-异亮氨酰基-壳寡糖与丙烯酰胺功能单体依赖性混合双分子层分子印迹膜

4-Pentenoyl-isoleucyl-chitosan oligosaccharide and acrylamide functional monomer-dependent hybrid bilayer molecularly imprinted membrane for sensitive electrochemical sensing of bisphenol A.

作者信息

Gao Qing, Zang Yang, Xie Ju, Wu Yongchuan, Xue Huaiguo

机构信息

School of Chemistry and Chemical Engineering, Yangzhou University Yangzhou Jiangsu 225002 P. R. China

出版信息

RSC Adv. 2021 Nov 17;11(58):36769-36776. doi: 10.1039/d1ra04924k. eCollection 2021 Nov 10.

DOI:10.1039/d1ra04924k
PMID:35494341
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9043540/
Abstract

In this work, an electrochemical sensor was designed for trace monitoring of bisphenol A (BPA) by decorating a hybrid bilayer molecularly imprinted membrane (MIM) on a multi-walled carbon nanotube-modified glassy carbon electrode. When BPA in the MIM was eluted, a composite molecularly imprinted electrochemical sensor was constructed. Under optimal conditions, the developed sensor showed two linear relationships between Δ and BPA concentration in the range of 0.04 μM to 8 μM, as well as good selectivity and stability, and was also applied to detect BPA in water samples with desirable recoveries ranging from 92.0% to 107.0%.

摘要

在本工作中，通过在多壁碳纳米管修饰的玻碳电极上修饰混合双层分子印迹膜（MIM），设计了一种用于痕量监测双酚A（BPA）的电化学传感器。当MIM中的BPA被洗脱后，构建了一种复合分子印迹电化学传感器。在最佳条件下，所开发的传感器在0.04 μM至8 μM范围内的Δ与BPA浓度之间呈现出两种线性关系，具有良好的选择性和稳定性，并且还应用于检测水样中的BPA，回收率在92.0%至107.0%之间，结果令人满意。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/588e4b8a4837/d1ra04924k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/a003e031f06f/d1ra04924k-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/60bcb8746051/d1ra04924k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/a4f377dc50a0/d1ra04924k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/8d9e12cb313a/d1ra04924k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/d4837cd1f980/d1ra04924k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/348bd0baefbf/d1ra04924k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/588e4b8a4837/d1ra04924k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/a003e031f06f/d1ra04924k-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/60bcb8746051/d1ra04924k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/a4f377dc50a0/d1ra04924k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/8d9e12cb313a/d1ra04924k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/d4837cd1f980/d1ra04924k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/348bd0baefbf/d1ra04924k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8763/9043540/588e4b8a4837/d1ra04924k-f6.jpg

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