Purple heart plant leaves extract-mediated silver nanoparticle synthesis: Optimization by Box-Behnken design.

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ID: 66434
2019
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Ranked #12 of 133 articles by views in materials science & engineering c, materials for biological applications

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Abstract
The present research work describes a novel method for green synthesis of silver nanoparticles using purple heart plant leaves extract, which is recognized as frequently found in households as an ornamental plant. The aqueous methanolic extract of purple heart plant leaves was prepared and employed in the synthesis of stable silver nanoparticles via biological reduction method. The purple heart plant leaves extract-mediated synthesized silver nanoparticles were systematically optimized using Box-Behnken design considering the effect of various independent variables (factors) like concentration of AgNO, temperature and volume of purple heart plant leaves extract solution on the responses like particle size and polydispersity index of synthesized silver nanoparticles were optimized. Mathematical modelling was performed using quadratic polynomial model and response surface analysis was done to understand the factor-response relationship. The synthesized silver nanoparticles at optimum condition were found to be of spherical in shape under TEM with particle size of 98 nm and polydispersity index of 0.15. Optimized silver nanoparticles were further characterized through UV-VIS spectrophotometry, FTIR spectroscopy and TEM imaging studies. Also, the silver nanoparticles were evaluated for antibacterial activity on E. coli and S. aureus. In a nutshell, the studies construed successful synthesis of silver nanoparticles along with thorough understanding of the associated factors influencing their quality characteristics and significantly improved antibacterial activity as beneficial effect.
Reference Key
hasnain2019purplematerials Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hasnain, M Saquib;Javed, Md Noushad;Alam, Md Sabir;Rishishwar, Poonam;Rishishwar, Sanjay;Ali, Sadath;Nayak, Amit Kumar;Beg, Sarwar;
Journal materials science & engineering c, materials for biological applications
Year 2019
DOI
S0928-4931(18)31570-4
URL
Keywords
Silver nanoparticles particle size antibacterial activity green synthesis box-behnken design

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