Biological tissues,such as muscles and skin,exhibit remarkable on-demand modulation of their mechanical properties,allowing them to adapt to complex environmental conditions.For example,sea cucumber can rapidly stiffe...Biological tissues,such as muscles and skin,exhibit remarkable on-demand modulation of their mechanical properties,allowing them to adapt to complex environmental conditions.For example,sea cucumber can rapidly stiffen its skin for self-protection by regulating physical interactions among collagen fibrils[1].In stark contrast,conventional polymer materials,often relying on chemically cross-linked networks like vulcanized rubber,typically offer high mechanical strength but lack this crucial modulus adaptability due to the inert nature of covalent bonds.展开更多
基金financially supported by the National Natural Science Foundation of China(52322306,22275032,and 52433003)the Shanghai Oriental Talent Program,the Shanghai Talent Development Fund(2021021)the Natural Science Foundation of Shanghai Basic Research Funding(25ZR1401006)。
文摘Biological tissues,such as muscles and skin,exhibit remarkable on-demand modulation of their mechanical properties,allowing them to adapt to complex environmental conditions.For example,sea cucumber can rapidly stiffen its skin for self-protection by regulating physical interactions among collagen fibrils[1].In stark contrast,conventional polymer materials,often relying on chemically cross-linked networks like vulcanized rubber,typically offer high mechanical strength but lack this crucial modulus adaptability due to the inert nature of covalent bonds.