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  • Title: First successful design of semi-IPN hydrogel-silver nanocomposites: a facile approach for antibacterial application.
    Author: Murthy PS, Murali Mohan Y, Varaprasad K, Sreedhar B, Mohana Raju K.
    Journal: J Colloid Interface Sci; 2008 Feb 15; 318(2):217-24. PubMed ID: 18005980.
    Abstract:
    Semi-IPN hydrogels in which poly(vinyl pyrrolidone) (PVP) chains were physically dispersed throughout poly(acrylamide) (PAM) gel networks were synthesized. These semi-IPN hydrogel networks can act as excellent nanoreactors for producing and stabilizing metal nanoparticles. The current methodology allows us to entrap metal nanoparticles throughout hydrogel networks via PVP chains. An optimized semi-IPN hydrogel formulation was found to produce silver nanoparticles, ca. 3-5 nm. The synthesized semi-IPN hydrogel-silver nanocomposites were fully characterized by using UV-vis, X-ray diffraction (XRD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The developed semi-IPN hydrogel-silver nanocomposite (SHSNC) was evaluated for preliminary antibacterial applications.
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