An Artificial Phase‐Transitional Underwater Bioglue with Robust and Switchable Adhesion Performanceстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 19 мая 2021 г.
Аннотация:Complex coacervation enables important wet adhe-sion processes in natural and artificial systems.However,existed synthetic coacervate adhesives showlimited wetadhesion properties,non-thermoresponsiveness,and inferiorbiodegradability,greatly hampering their translations.Herein,by harnessing supramolecular assembly and rational proteindesign, we present atemperature-sensitive wet bioadhesivefabricated through recombinant protein and surfactant. Me-chanical performance of the bioglue system is actively tunablewith thermal triggers.Incold condition, adhesion strength ofthe bioadhesive was only about 50 kPa. By increasing temper-ature,the strength presented up to 600 kPa, which is remark-ably stronger than other biological counterparts.This isprobably due to the thermally triggered phase transition ofthe engineered protein and the formation of coacervate,thusleading to the enhanced wet adhesion bonding.