Issue 36, 2024

Bioinspired colloidal crystal hydrogel pressure sensors with Janus wettability for uterus cervical canal tension perception

Abstract

The pursuit of flexible, sensitive, and cost-effective pressure sensors plays a pivotal role in medical diagnostics, particularly in the domain of cervical health monitoring. However, significant challenges remain in the economical production of flexible piezoresistive materials and the integration of microstructures aimed at enhancing sensor sensitivity. This urge highlights the use of innovative, stable hydrogel films that demonstrate robust adherence to soft biological tissues, thereby enabling prolonged bio-signal monitoring. In this study, we introduce an innovative integration of a flexible pressure electrical signal sensor with structural color hydrogel scaffolds. This integration leverages the tunability of the inverse opal structure to fine-tune the scaffold's adherence to the endocervical wall under varying environmental conditions and to amplify the sensitivity of pressure measurements. Our findings indicate that this novel approach holds promise for substantial enhancements in the manufacturing and functional capabilities of cervical pressure sensors, potentially revolutionizing personalized medical treatments and improving patient monitoring.

Graphical abstract: Bioinspired colloidal crystal hydrogel pressure sensors with Janus wettability for uterus cervical canal tension perception

Supplementary files

Article information

Article type
Paper
Submitted
05 jun 2024
Accepted
07 aug 2024
First published
07 aug 2024

J. Mater. Chem. B, 2024,12, 8941-8951

Bioinspired colloidal crystal hydrogel pressure sensors with Janus wettability for uterus cervical canal tension perception

Y. Chen, Y. Zhou, L. Zhang, Y. Cao, S. Li, W. Lu, Z. Mao, Z. Jiang, Y. Wang, C. Liu and Q. Dong, J. Mater. Chem. B, 2024, 12, 8941 DOI: 10.1039/D4TB01220H

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