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Thin membrane-based potentiometric sensors for sensitive detection of polyions

文献类型：期刊论文

作者Wang, Kaikai1,2; Liang, Rongning2; Qin, Wei2
刊名ANALYTICAL METHODS
出版日期2022-10-20
卷号14期号:40页码:4008-4013
ISSN号1759-9660
DOI10.1039/d2ay01223e
通讯作者Liang, Rongning(rnliang@yic.ac.cn)
英文摘要A novel protocol for development of sensitive and rapid polymeric membrane polyion sensitive electrodes has been explored in this work. In contrast to the traditional polyion electrodes which usually have a sensing membrane thickness of 100 similar to 200 mu m, a thin membrane electrode with a membrane thickness of 5 mu m is proposed to detect polyions. By using such thin membrane configuration, the diffusion of polyions from the organic boundary layer into the bulk of the membrane can be effectively blocked. The induced accumulation of polyions in the membrane boundary layer largely enhances the obtained potential response. It has been found that the proposed electrode shows a remarkably improved sensitivity and measurement time over conventional potentiometric polyion sensors based on the thick membranes. By using protamine as a model of polyions, the new concept offers a detection limit nearly two orders of magnitude lower than those obtained by the traditional thick-membrane polyion electrodes for potentiometric measurements of polyions. The proposed polyion sensing platform offers great promise in the sensitive and rapid detection of polyions as well as other polyion-involved bioanalyses.
WOS关键词ION-SELECTIVE ELECTRODES ; ELECTROCHEMICAL ASSAY ; REVERSIBLE DETECTION ; SOLID-CONTACT ; HEPARIN ; INHIBITORS ; BLOOD
WOS研究方向Chemistry ; Food Science & Technology ; Spectroscopy
语种英语
WOS记录号WOS:000865259500001
资助机构National Natural Science Foundation of China ; Key Deployment Project of Centre for Ocean Mega-Research of Science, Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Taishan Scholar Program of Shandong Province
源URL[http://ir.yic.ac.cn/handle/133337/31760]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
通讯作者Liang, Rongning
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, YICCAS,Shandong Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Kaikai,Liang, Rongning,Qin, Wei. Thin membrane-based potentiometric sensors for sensitive detection of polyions[J]. ANALYTICAL METHODS,2022,14(40):4008-4013.
APA Wang, Kaikai,Liang, Rongning,&Qin, Wei.(2022).Thin membrane-based potentiometric sensors for sensitive detection of polyions.ANALYTICAL METHODS,14(40),4008-4013.
MLA Wang, Kaikai,et al."Thin membrane-based potentiometric sensors for sensitive detection of polyions".ANALYTICAL METHODS 14.40(2022):4008-4013.

入库方式： OAI收割

来源：烟台海岸带研究所

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