Abstract:
:The bio-integrated electronics industry is booming and becoming more integrated with biological tissues. To successfully integrate with the soft tissues of the body (eg. skin), the material must possess many of the same properties including compliance, toughness, elasticity, and tear resistance. In this work, we prepare mechanically and biologically skin-like materials (PSeD-U elastomers) by designing a unique physical and covalent hybrid crosslinking structure. The introduction of an optimal amount of hydrogen bonds significantly strengthens the resultant elastomers with 11 times the toughness and 3 times the strength of covalent crosslinked PSeD elastomers, while maintaining a low modulus. Besides, the PSeD-U elastomers show nonlinear mechanical behavior similar to skins. Furthermore, PSeD-U elastomers demonstrate the cytocompatibility and biodegradability to achieve better integration with tissues. Finally, piezocapacitive pressure sensors are fabricated with high pressure sensitivity and rapid response to demonstrate the potential use of PSeD-U elastomers in bio-integrated electronics.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Chen S,Sun L,Zhou X,Guo Y,Song J,Qian S,Liu Z,Guan Q,Meade Jeffries E,Liu W,Wang Y,He C,You Zdoi
10.1038/s41467-020-14446-2subject
Has Abstractpub_date
2020-02-27 00:00:00pages
1107issue
1issn
2041-1723pii
10.1038/s41467-020-14446-2journal_volume
11pub_type
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