Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 May 9;12(5):504. doi: 10.3390/membranes12050504

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

HI–based wearable pH sensors. (A) The steps for constructing CNT–cotton–based pH sensing electrodes. Reprinted with permission from [28], Copyright (2013) Royal Society of Chemistry. (B) Stretchable ion sensor array with an open cellular structure. Reprinted with permission from [46], Copyright (2017) John Wiley and Sons publications. (C) A paper–based multichannel SC–ISE for pH and other ion analysis in sweat. Reprinted with permission from [79], Copyright (2019) Elsevier. (D) Fiber–based wearable potentiometric sensor and its carry–over test from 0 to 200%. Reprinted with permission from [80], Copyright (2020) Royal Society of Chemistry.