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Adhesive, Transparent Tannic Acid@ Sulfonated Lignin-PAM Ionic Conductive Hydrogel Electrode with Anti-UV, Antibacterial and Mild Antioxidant Function.


ABSTRACT: Inspired by mussel adhesion chemistry and ion electronics, a novel Ca2+-tannic acid@ sulfonated lignin-polyacrylamide (TA@SL-PAM) hydrogel was prepared via Ca2+-TA@SL composites and the PAM system, where a Ca2+-TA@SL composite was fabricated via TA doping with SL and the subsequent adsorption of Ca2+. The properties of the hydrogel were thoroughly investigated and the hydrogel was presented as multifunctional. The introduction of Ca2+-TA@SL composites endowed the hydrogel with excellent conductivity, adhesion and ultraviolet (UV) resistance, and improved antioxidant and antibacterial properties. More importantly, the Ca2+-TA@SL-PAM hydrogel electrode could accurately detect physiological signals of human (e.g., electrocardiogram (ECG), electromyography (EMG).

SUBMITTER: Wang Q 

PROVIDER: S-EPMC6947526 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Adhesive, Transparent Tannic Acid@ Sulfonated Lignin-PAM Ionic Conductive Hydrogel Electrode with Anti-UV, Antibacterial and Mild Antioxidant Function.

Wang Qinhua Q   Zhang Hui H   Pan Xiaofeng X   Ma Xiaojuan X   Cao Shilin S   Ni Yonghao Y  

Materials (Basel, Switzerland) 20191210 24


Inspired by mussel adhesion chemistry and ion electronics, a novel Ca<sup>2+</sup>-tannic acid@ sulfonated lignin-polyacrylamide (TA@SL-PAM) hydrogel was prepared via Ca<sup>2+</sup>-TA@SL composites and the PAM system, where a Ca<sup>2+</sup>-TA@SL composite was fabricated via TA doping with SL and the subsequent adsorption of Ca<sup>2+</sup>. The properties of the hydrogel were thoroughly investigated and the hydrogel was presented as multifunctional. The introduction of Ca<sup>2+</sup>-TA@SL  ...[more]

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