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Selvaraj Raja,Vinayagam Ramesh,Varadavenkatesan Thivaharan 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.29 No.-
We report the ability of a novel source – the aqueous extract of pods of Peltophorum pterocarpum for thesynthesis of silver nanoparticles (SNPs). SEM analysis exposes the spherical shape of the nanoparticlesand UV–vis spectra show the surface plasmon resonance peak at 407 nm. XRD analysis showed thecrystalline nature of SNPs. FT-IR spectra show the presence of biomolecules which play a role ofreduction of AgNO3 and capping the formed SNPs. A negative zeta potential of 15.8 mV endorses thestability and dispersion of SNPs. The antibacterial activity of the SNPs was demonstrated againstEscherichia coli and anticoagulant activity was also revealed
Synthesis, Characterization, and Fabrication of Hydrophilic Antimicrobial Polymer Thin Film Coatings
Akshatha Nagaraja,Yashoda Malgar Puttaiahgowda,Ananda Kulal,Ajithkumar Manayan Parambil,Thivaharan Varadavenkatesan 한국고분자학회 2019 Macromolecular Research Vol.27 No.3
An efficient hydrophilic-antimicrobial thin film coating of functionalized polymaliamides for controlling pathogenic microorganisms is reported in this article. The article is enriched with synthesis, characterization and antimicrobial studies of polymaliamides and its thin film. FTIR, 1H NMR, 13C NMR details of the polymaliamidesis explicated,and the thermal properties of the polymer are revealed using TGA, DSC studies and detailed explanation is provided in the article. The activity of the polymer and thin film against Staphylococcus aureus, Escherichia coli, tuberculosis variant bacteria Mycobacterium smegmatis and Candida albicans are also reported ornately. The morphological behavior of film when interacting with the microbes is studies using SEM and AFM studied and presented elaborately.