@article { author = {Fathalipour, Soghra and Ghanbarizadeh, Mahdiye}, title = {Embedded Ag NPs in Cysteine-Poly (acrylic acid) Hydrogel with Antibacterial Activity}, journal = {Asian Journal of Nanoscience and Materials}, volume = {2}, number = {1}, pages = {37-48}, year = {2019}, publisher = {Sami Publishing Company}, issn = {2645-775X}, eissn = {2588-669X}, doi = {10.26655/ajnanomat.2019.1.3}, abstract = {In this research,Ag NPs were loaded on cysteine modified poly(acrylic acid) (PAA) hydrogel. Obtainedcysteine-hydrogel (Chydrogel) having different functional groups could stabilize Ag NPs better than un-modified hydrogel due to the presence of disulfid bondings. First, obtained PAA hydrogel from radical polymerization was conjugated with cysteine-hydrochloride (Cys) through amidation reaction and then was used as a substrate and stabilization reagent for Ag ions. Ag ions were reduced on Chydrogel in the presence ofNaBH4 as reducing reagent. The resultant nanocomposite was well characterized by using UV–vis, FT-IR, XRD and SEM techniques. Furthermore, the resultant Ag NPs on the surface of Chydrogel showedhigh antibacterial behavior against Gram-negative E. coliand Gram-positive S. aureusdue to the high reaction of thiol-functions with the outer cell surface.}, keywords = {hydrogels,Composites,antibacterial,inorganic materials,Ag NPs}, url = {https://www.ajnanomat.com/article_73762.html}, eprint = {https://www.ajnanomat.com/article_73762_575158cc3cf3fcd85ba3df0bc973b90a.pdf} }