Journals on Medical Research - BJSTR Journal

Abstract

In this study, coupled oxide 3ZnO:1TiO₂ (3ZT) synthesized by sol-gel method with different weight percentage were incorporated in linear low- density #polyethylene (LLDPE] for antimicrobial application. The nanoparticles were #homogeneously distributed across the surface due to the casting method adopted in this work. The formation of heterojunction of 3ZT and crystalline nature of the phases and high quantity of surface oOH resulted in LLDPE #nanocomposites with higher adsorption water molecules property, thus causing a substantial improvement in #photocatalytic reaction. The antimicrobial results indicate LLDPE incorporated with coupled oxide 3ZT was active in inactivating Gram-positive; #Staphylococcus aureus (S. aureus] and Gram-negative; #Escherichia coli (E. coli]. S. #aureus was found to be more susceptible in killing as compared to E. coli, under visible light. The best inactivation up to 100% was able to achieve for both bacteria in LLDPE with 10wt.% under visible light due to more Zn ion and oOH release at a specific #incubation time.Microbial contamination poses a major threat to human health. Many diseases spread due to the bacterial infections, which cause significant economic and personal losses [1]. Hence, antimicrobial modification of surfaces to prevent growth of detrimental microorganism is highly desired. In biomedical devices such as #catheters, prosthetics and implants, surface microbial invasion can result in serious infection and device failure [2].

  

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3ZnO/TiO2 Coupled Oxides LLDPE Nanocomposite: Effect of Various Weight Percent of Sol-gel Synthesized Catalyst on Structural and Bacteriostatic Activity Against S. Aureus and E. Coli by Srimala Sreekantan in BJSTR