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http://dx.doi.org/10.5012/bkcs.2011.32.2.553

Synthesis, Characterization, and Antibacterial Applications of Novel Copolymeric Silver Nanocomposite Hydrogels  

Kim, Yong-Hyun (Department of Chemistry, Changwon National University)
Babu, V. Ramesh (Department of Chemistry, Changwon National University)
Thangadurai, Daniel T. (Department of Chemistry, Changwon National University)
Rao, K.S.V. krishna (Department of Chemistry, Changwon National University)
Cha, Hyeong-Rae (Department of Chemistry, Changwon National University)
Kim, Chang-Dae (Department of Physics, Mokpo National University)
Joo, Woo-Hong (Department of Biology, Changwon National University)
Lee, Yong-Ill (Department of Chemistry, Changwon National University)
Publication Information
Bulletin of the Korean Chemical Society / v.32, no.2, 2011 , pp. 553-558 More about this Journal
Abstract
Copolymeric silver nanocomposite hydrogels were synthesized by using acryloyl phenylalanine (APA), N'-isopropylacrylamide (NIPAM) and crosslinked by N,N-methylene bisacrylamide (MBA) via radical redox polymerization. Present study allows entrapping silver nanoparticles into hydrogel networks. UV-visible spectroscopy and X-ray diffraction (XRD) studies confirmed the formation of silver nanoparticles in hydrogel matrix. 11% of weight loss difference between hydrogel and silver nanocomposite hydrogel is clearly indicates the formation and silver nanoparticles by thermo-gravimetrical analysis. The order of swelling capacity values of hydrogels and silver nanocmposite hydrogels were found to be in the order of placebo copolymeric hydrogel >Ag-copolymeric silver nanocomposite hydrogels. The particle size of silver nanoparticles was analysed and are in the range of 5 - 10 nm which has been confirmed by transmission electron microscopy (TEM) as well as particle size analysis. The silver nanocomposite hydrogel has shown very good antibacterial activity on gram-positive and gram-negative bacteriocides.
Keywords
Acryloylphenylalanine; Silver nanocomposite hydrogels; Silver nanoparticles; Swelling; Antibacterial study;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
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