| 초록 |
Hydrogels are potentially useful materials as drug delivery systems. They are three-dimensional polymeric networks with high permeability to small molecules and have good mechanical properties. Many synthetic polymers can be used in preparing hydrogels. Among them, poly(vinyl alcohol) (PVA) is widely employed to make hydrogels for biomedical applications, including localized drug delivery systems. They are prepared using a physical crosslinking method consisting of repeated freeze-thawing cycles of PVA aqueous solutions. In this study, the morphology and antibacterial effect of the high molecular weight PVA/silver nanogels will be discussed. |
