Research progress on anti-swelling hydrogels in biomedical field
Hydrogel is a kind of degradable hydrophilic polymer,but excessive hydrophilicity leads to larger volume,lower elastic modulus and looser structure,which further affect its use.Especially in the field of biomedical engineering,excessive swelling of the hydrogel can compress the nerves and improve degradation rate resulting in mismatch of tissue growth and released ions.Therefore,anti-swelling hydrogel has been a research hotspot in recent years.This paper reviews the recent research progress on anti-swelling hydrogel,and expounds the application mechanism and preparation method of hydrogel in biomedical engineering,aiming to provide some references for researchers in the field of anti-swelling hydrogel.
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