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Dongxi Zheng,지동민(Dong Min Ji),김성훈(Sung Hoon Kim) 한국자기학회 2021 韓國磁氣學會誌 Vol.31 No.5
Hydrogel is a three-dimensional network structure with good biocompatibility, many of which are biodegradable and non-toxic. Therefore, hydrogels are widely used in environmental engineering, biomedicine, and other fields. Smart hydrogel is a kind of hydrogel that can respond to external stimuli. According to the stimulus-response type, smart hydrogels can be divided into thermal, pH, electric field, magnetic field response smart hydrogels. Magnetically responsive smart hydrogel, which has fast response, little harm to the human body, and remote control, can be used in biomedical fields, such as targeted drug delivery, assisted diagnosis, tissue engineering, and magnetic hyperthermia. This article introduces the fabrication methods and application fields of magnetic hydrogels. In particular, we discussed the characteristics, applications, and future research prospects of self-responsive smart hydrogel micro/nanorobots.