为此,美国麻省理工学院(MassachusettsInstitute of Technology)的赵选贺(Xuanhe Zhao)团队在Materails Today期刊上发表了题为Hydrogel Machines的文章,对水凝胶机器进行了综述,从水凝胶的基本热力学、动力学、化学和力学等方面对现有的水凝胶机进行全面的讨论,并为未来水凝胶机的设计提供一套合理的指导方针。将各种水凝胶机...
水凝胶,作为亲水聚合物交联网络被水渗透的材料,表现出既像固体又像流体的独特性质。由于交联的聚合物网络,水凝胶具有弹性固体的变形性和柔软性,同时,其高含水量使其具有类液体性质,包括对化学和生物分子的高渗透性,以及对光波和声波的穿透性。水凝胶是固体(聚合物网络)和液体(水)的结合,因此...
More recently, owing to their superior softness, wetness, responsiveness, biocompatibility, and bioactivity, hydrogels are being intensively investigated for versatile functions in devices and machines including sensors, actuators, coatings, optics, electronics, and water harvesters. A nascent field named ...
Hydrogel machines Materials Today ( IF 21.1 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.mattod.2019.12.026 Xinyue Liu , Ji Liu , Shaoting Lin , Xuanhe Zhao As polymer networks infiltrated with water, hydrogels constitute the major components of the human body; and hydrogels have been ...
Mechanical characterization of hydrogels poses unique challenges due to their multiphase composition. Hydrogels are characterized by a smallelastic modulusin the order of kilopascals (kPa) due to the large water content, while most mechanical testing machines are designed for hard materials like metals ...
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The last few decades have witnessed unprecedented convergence between humans and machines that closely operate around the human body. Despite these advances, traditional machines made of hard, dry and abiotic materials are substantially dissimilar to sof
microscale or nanoscale will provide great opportunities for developing high-density functional subunits12,15that advance the development of laboratory-on-a-chip technologies17, microrobots18, physically intelligent machines19, low-energy mechanical computation20and tuneable photonic and phononic devices21,22...
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1248Citations 39Altmetric Metrics Abstract An ionotronic device functions by a hybrid circuit of mobile ions and mobile electrons. Hydrogels are stretchable, transparent, ionic conductors that can transmit electrical signals of high frequency over long distance, enabling ionotronic devices such as artif...