Abstract:Traditional hydrogels have shown substandard multifunctional, mechanical properties in biomedical field. Gold nanoparticles can provided an expanded array of nanostructured materials with exclusive biomedical properties. The nanocomposite hydrogels have expected to exhibit both nanomaterial and hydrogel properties, which may resulted in potential applications in biomedical field. Hence, the present investigation reported simple and greener approach to the preparation and properties of pH-responsive nanocomposi… Show more
“…Therefore, alkaline pH may be an indicative not only of bacterial activity but also of a faulty immune response at the wound site. Despite the historically alkaline pH of infected and chronic wounds, several pH-responsive hydrogels were designed to respond to a pH drop, based on bacteria aerobic metabolism (Jiang et al, 2020b, Anh et al, 2019, Sakthivel et al, 2019. Khan et al used arabinoxylan and chitosan, crosslinked using tetraethyl orthosilicate and anchored with reduced graphene oxide sheets to fabricate a series of composite hydrogels, which were further loaded silver sulfadiazine with antimicrobial agent.…”
“…Therefore, alkaline pH may be an indicative not only of bacterial activity but also of a faulty immune response at the wound site. Despite the historically alkaline pH of infected and chronic wounds, several pH-responsive hydrogels were designed to respond to a pH drop, based on bacteria aerobic metabolism (Jiang et al, 2020b, Anh et al, 2019, Sakthivel et al, 2019. Khan et al used arabinoxylan and chitosan, crosslinked using tetraethyl orthosilicate and anchored with reduced graphene oxide sheets to fabricate a series of composite hydrogels, which were further loaded silver sulfadiazine with antimicrobial agent.…”
Microbial infections based on drug‐resistant pathogenic organisms following surgery or trauma and uncontrolled bleeding are the main causes of increased mortality from trauma worldwide. The prevalence of drug‐resistant pathogens has led to a significant increase in medical costs and poses a great threat to the normal life of people. This is an important issue in the field of biomedicine, and the emergence of new antimicrobial materials hydrogels holds great promise for solving this problem. Hydrogel is an important material with good biocompatibility, water absorption, oxygen permeability, adhesion, degradation, self‐healing, corrosion resistance, and controlled release of drugs as well as structural diversity. Bacteria‐disturbing hydrogels have important applications in the direction of surgical treatment, wound dressing, medical device coating, and tissue engineering. This paper reviews the classification of antimicrobial hydrogels, the current status of research, and the potential of antimicrobial hydrogels for one application in biomedicine, and analyzes the current research of hydrogels in biomedical applications from five aspects: metal‐loaded hydrogels, drug‐loaded hydrogels, carbon‐material‐loaded hydrogels, hydrogels with fixed antimicrobial activity and biological antimicrobial hydrogels, and provides an outlook on the high antimicrobial activity, biodegradability, biocompatibility, injectability, clinical applicability and future development prospects of hydrogels in this field.
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