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In situ formation of silver nanoparticles in poly(methacrylic acid) hydrogel for antibacterial applications

Authors

  • S.K. Bajpai,

    Corresponding author
    1. Polymer Research Laboratory, Department of Chemistry, Govt. Model Science College, Jabalpur, MP, India
    • Polymer Research Laboratory, Department of Chemistry, Govt. Model Science College, Jabalpur, MP, India
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  • Navin Chand,

    1. Dr Navin Chand Scientist G & Head Polymer Composites, Advanced Materials and Processes Research Institute, (AMPRI) (Formerly RRL) (CSIR), Bhopal, MP 462064, India
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  • Manika Mahendra

    1. Polymer Research Laboratory, Department of Chemistry, Govt. Model Science College, Jabalpur, MP, India
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Abstract

In this study, silver nanoparticles-loaded poly(methacrylic acid) (PMAAc) hydrogels (HGs) have been produced by using a novel approach that involves equilibration of PMAAc HGs in aqueous solution of Ag(I) ions, followed by their reduction with borohydride. The AgNP/PMAAc composite, so produced, was characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier-transform infrared, surface plasmon resonance, and differential scanning colorimetry analysis. The composite demonstrated pH-dependent swelling behavior. The AgNP/PMAAc composites demonstrated fair antibacterial action against Escherichia coli. Their biocidal action was found to depend on the concentration of silver present within the HG and degree of crosslinking of HGs. POLYM. ENG. SCI., 2013. © 2013 Society of Plastics Engineers

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