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Emerging dissolving strategy of cellulose nanomaterial for flexible electronics sensors in wearable devices: a review

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Abstract

Flexible electronic sensors have recently garnered significant attention in the areas of soft robotics, artificial intelligence, and biomedical devices. The chemical processing of cellulose presents significant challenges due to the intricate nature of cellulosic biopolymer networks, cellulose type I crystal structure, and extensive non-covalent interactions among molecules. Cellulose is not readily meltable and is insoluble in common solvents, however, through proper physical treatment or chemical modification, its derivatives can be effectively dispersed or dissolved in solvents. This paper provides (1) a brief overview of the structural characteristics of cellulose, (2) the advantages and disadvantages of three solvents, and (3) various key roles played by cellulose nanomaterials in the field of sensor technology. Furthermore, it addresses complexities and obstacles associated with cellulose and biomaterials, as well as their potential applications in healthcare and implantable sensing areas.

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Acknowledgments

Supported by Fundamental Research Funds for the Central Universities (No. 2572021BU06).

Funding

This work was supported by Fundamental Research Funds for the Central Universities (Grant numbers2572021BU06).

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YL conceptualized and presented the article, conducted literature search and data analysis, and DJ made revisions to the article. QX corrected the grammar of this English manuscript and reorganized the phrases used throughout the text.

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Correspondence to Dawei Jiang.

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Liu, Y., Jiang, D. & Xu, Q. Emerging dissolving strategy of cellulose nanomaterial for flexible electronics sensors in wearable devices: a review. Cellulose 31, 27–60 (2024). https://doi.org/10.1007/s10570-023-05635-5

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  • DOI: https://doi.org/10.1007/s10570-023-05635-5

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