Abstract
AbstractA substantial part of the human body is made of soft tissue which is a hydrogel consisting mainly of collagen and proteoglycan fiber networks. In the last decades, great effort has been made to create artificial tissues using synthetic and biological hydrogels. Examples are superior hydrogels which exhibit excellent mechanical properties like connective tissue and extremely low frictional coefficients like synovial cartilage. A tunable photonic crystal showing a variety of structural colors using nano‐dotted hydrogel is another unique example. Various types of gel actuators with muscle‐like motility have also been developed. In this article recent trends and achievements of intelligent gels with tissue‐like functions are described after a brief overview of the extracellular matrix. © 2021 Society of Industrial Chemistry.
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