Biosynthesis, characterization and anti-microbial activity of silver nanoparticle based gel hand wash

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Abstract

In the current study, silver nanoparticles (AgNPs) were biosynthesised by microwave irradiation using Azadirachta indica. The formation of AgNPs was confirmed by surface plasmon resonance (SPR) band at 408 nm at UV-visible spectroscopy due to reduction of silver metal into (AgNPs) and further confirmed its particles in nano range. Nine different smart-gel hand wash were prepared by dispersing (AgNPs) in the HPMC and/or Pluronic F-127 polymers. The prepared smart gel hand wash was optimized based on pH, viscosity, spreadability, foamability, clarity. The optimized hand wash (NH5) had pH (6.6 ± 0.33), viscosity (66 ± 0.77, cp), spreadability (24.34 g-cm/s), foamability (100 mL). The optimized hand wash (NH5) showed a superior efficacy against pathogenic organisms in comparison to germ protection based marketed hand wash.

Original languageEnglish
Pages (from-to)577-583
Number of pages7
JournalGreen Processing and Synthesis
Volume8
Issue number1
DOIs
StatePublished - 28 Jan 2019

Keywords

  • anti-microbial efficacy
  • silver nanoparticles
  • smart-gel hand wash
  • stability

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