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A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing

[Image: see text] Solid-contact ion-selective electrodes are a type of ion measurement devices that have been focused in wearable biotechnology based on the features of miniaturization and integration. However, the solid-contact reference electrodes (SC-REs) remain relatively less focused compared w...

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Autores principales: Gan, Shiyu, Liao, Chunxian, Liang, Rongfeng, Du, Sanyang, Zhong, Lijie, Tang, Yitian, Han, Tingting, Bao, Yu, Sun, Zhonghui, Ma, Yingming, Niu, Li
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2022
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9886000/
https://www.ncbi.nlm.nih.gov/pubmed/36785773
http://dx.doi.org/10.1021/acsmeasuresciau.2c00036
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author Gan, Shiyu
Liao, Chunxian
Liang, Rongfeng
Du, Sanyang
Zhong, Lijie
Tang, Yitian
Han, Tingting
Bao, Yu
Sun, Zhonghui
Ma, Yingming
Niu, Li
author_facet Gan, Shiyu
Liao, Chunxian
Liang, Rongfeng
Du, Sanyang
Zhong, Lijie
Tang, Yitian
Han, Tingting
Bao, Yu
Sun, Zhonghui
Ma, Yingming
Niu, Li
author_sort Gan, Shiyu
collection PubMed
description [Image: see text] Solid-contact ion-selective electrodes are a type of ion measurement devices that have been focused in wearable biotechnology based on the features of miniaturization and integration. However, the solid-contact reference electrodes (SC-REs) remain relatively less focused compared with numerous working (or indicator) electrodes. Most SC-REs in wearable sensors rely on Ag/AgCl reference electrodes with solid electrolytes, for example, the hydrophilic electrolyte salts in polymer matrix, but face the risk of electrolyte leakage. Herein, we report a type of SC-REs based on the silver/silver tetraphenylborate (Ag/AgTPB) organic insoluble electrode. The SC-RE consists of a Ag substrate, a solid contact (AgTPB), and a plasticized poly(vinyl chloride) (PVC) membrane containing the hydrophobic organic salt of tetrabutylammonium tetraphenylborate (TBATPB). The potentiometric measurements demonstrated that the SC-RE of Ag/AgTPB/PVC-TBATPB showed a reproducible standard potential in various electrolytes and disclosed high long-term stability. This SC-RE was further fabricated on a flexible substrate and integrated into all-solid-state wearable potentiometric ion sensor for sweat Cl(–) monitoring.
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spelling pubmed-98860002023-02-10 A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing Gan, Shiyu Liao, Chunxian Liang, Rongfeng Du, Sanyang Zhong, Lijie Tang, Yitian Han, Tingting Bao, Yu Sun, Zhonghui Ma, Yingming Niu, Li ACS Meas Sci Au [Image: see text] Solid-contact ion-selective electrodes are a type of ion measurement devices that have been focused in wearable biotechnology based on the features of miniaturization and integration. However, the solid-contact reference electrodes (SC-REs) remain relatively less focused compared with numerous working (or indicator) electrodes. Most SC-REs in wearable sensors rely on Ag/AgCl reference electrodes with solid electrolytes, for example, the hydrophilic electrolyte salts in polymer matrix, but face the risk of electrolyte leakage. Herein, we report a type of SC-REs based on the silver/silver tetraphenylborate (Ag/AgTPB) organic insoluble electrode. The SC-RE consists of a Ag substrate, a solid contact (AgTPB), and a plasticized poly(vinyl chloride) (PVC) membrane containing the hydrophobic organic salt of tetrabutylammonium tetraphenylborate (TBATPB). The potentiometric measurements demonstrated that the SC-RE of Ag/AgTPB/PVC-TBATPB showed a reproducible standard potential in various electrolytes and disclosed high long-term stability. This SC-RE was further fabricated on a flexible substrate and integrated into all-solid-state wearable potentiometric ion sensor for sweat Cl(–) monitoring. American Chemical Society 2022-08-16 /pmc/articles/PMC9886000/ /pubmed/36785773 http://dx.doi.org/10.1021/acsmeasuresciau.2c00036 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Gan, Shiyu
Liao, Chunxian
Liang, Rongfeng
Du, Sanyang
Zhong, Lijie
Tang, Yitian
Han, Tingting
Bao, Yu
Sun, Zhonghui
Ma, Yingming
Niu, Li
A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing
title A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing
title_full A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing
title_fullStr A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing
title_full_unstemmed A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing
title_short A Solid-Contact Reference Electrode Based on Silver/Silver Organic Insoluble Salt for Potentiometric Ion Sensing
title_sort solid-contact reference electrode based on silver/silver organic insoluble salt for potentiometric ion sensing
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9886000/
https://www.ncbi.nlm.nih.gov/pubmed/36785773
http://dx.doi.org/10.1021/acsmeasuresciau.2c00036
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