4.7 Review

Soft Polymer-Based Technique for Cellular Force Sensing

Journal

POLYMERS
Volume 13, Issue 16, Pages -

Publisher

MDPI
DOI: 10.3390/polym13162672

Keywords

soft polymer; hydrogel; force-sensing; cellular biomechanics; cell-friendly; 3D matrix; tissue engineering

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Soft polymers play a crucial role in biomedical engineering for sensing cellular forces and maintaining normal cell functions. Various techniques for soft polymer fabrication have been developed, focusing on quantitativeness and cell-friendliness. Future trends include designing new technologies and processes for cellular force measurement.
Soft polymers have emerged as a vital type of material adopted in biomedical engineering to perform various biomechanical characterisations such as sensing cellular forces. Distinct advantages of these materials used in cellular force sensing include maintaining normal functions of cells, resembling in vivo mechanical characteristics, and adapting to the customised functionality demanded in individual applications. A wide range of techniques has been developed with various designs and fabrication processes for the desired soft polymeric structures, as well as measurement methodologies in sensing cellular forces. This review highlights the merits and demerits of these soft polymer-based techniques for measuring cellular contraction force with emphasis on their quantitativeness and cell-friendliness. Moreover, how the viscoelastic properties of soft polymers influence the force measurement is addressed. More importantly, the future trends and advancements of soft polymer-based techniques, such as new designs and fabrication processes for cellular force sensing, are also addressed in this review.

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