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A Tunable Colorimetric Carbon Dioxide Sensor Based on Ion-Exchanger- and Chromoionophore- Doped Hydrogel [a] [a] [b] [a] Yupu Zhang, Xinfeng Du, Jingying Zhai,* and Xiaojiang Xie* [a] Y. Zhang, Dr. X. Du, Prof. X. Xie Department of Chemistry Southern University of Science and Technology 1088 Xueyuan Boulvard Shenzhen 518055 (P. R. China) E-mail: xiexj@sustech.edu.cn [b] Dr. J. Zhai Academy for Advanced Interdisciplinary Studies Southern University of Science and Technology 1088 Xueyuan Boulvard Shenzhen 518055 (P. R. China) E-mail: zhaijy@sustech.edu.cn Wiley VCH Montag, 08.05.2023 2399 / 300934 [S. 1/2] The cover feature image shows a Y. Zhang, Dr. X. Du, Dr. J. Zhai*, two-dimensional (2D) colorimetric Prof. X. Xie* carbon dioxide (CO ) sensor 1 – 2 composed of a gas-permeable poly- propylene film (25 μm thick) and a A Tunable Colorimetric Carbon Dioxide Sensor Based on Ion- signal transduction hydrogel layer (30 μm thick). The hydrogel layer Exchanger- and Chromoionophore- Doped Hydrogel contained a pH sensitive chromoio- nophore to indicate the CO induced pH change, and a cationic amine to further capture CO through the carbamate formation reaction. With this 2D colorimetric CO optode, the CO release from yeast-catalyzed flour fermentation was successfully monitored. More information can be found in the Research Article by Jingying Zhai, Xiaojiang Xie, and co- workers. Wiley VCH Montag, 08.05.2023 2399 / 300934 [S. 2/2]
Analysis & Sensing – Wiley
Published: Nov 1, 2023
Keywords: carbon dioxide; colorimetric sensor; optodes; hydrogel; ion-exchange
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