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  1. Home
  2. Volume 7, Issue 2
  3. Authors

Online ISSN: 2515-8260

Volume7, Issue2

Synthesis of Silver Nanoparticles Using Methanolic Extract of Medicinal Plants (Senna alata and Senna hirsuta) and Analysis of Antibacterial Activity

    D. Madankumar S. Pari

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 2, Pages 1581-1594

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Abstract

Because of their environmental friendly nature and effectiveness cost wise, green
synthesis of nanomaterial’s from plant has become progressively popular. In this research, we
used methanol extracts from fresh leaves of Senna alata and Senna hirsuta medicinal plants to
synthesize silver (Ag) nanoparticles as bio reducing agents. This method allowed the synthesis of
nanoparticles supported by spectrophotometry Ultraviolet-visible, FTIR, SEM, TEM and XRD
research. UV-Vis spectra and visual observation showed that after treatment with Ag precursors,
the color of the fresh Senna alata and Senna hirsuta leaf extracts turned into light greenish and
brownish yellow, respectively. This screened antibacterial activity against five different bacteria,
viz. Bacillus subtilis, Enterococcus faecalis, Staphylococcus aureus, Klebsiella pneumoniae and
Escherichia coli with the use of Disc Diffusion method. Silver nanoparticles extracted from
Senna alata and Senna hirsuta leaf extracts, which inhibited B.subtilis (18 & 16), E.faecalis (19
& 14), S.aureus (20 & 14), K.pneumoniae (21& 16) and E.coli (17 and 15), size in mm. The
higher Inhibition zone occurs in K.pneumoniae and S.aureus follows. It has been shown that
inhibiting bacterial growth, the Methanol extracts of Senna alata leaves containing Ag
nanoparticles is comparable with chloramphenicol.
Keywords:
    Silver nanoparticle synthesis green synthesis Senna alata Senna hirsuta Antibacterial activity
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(2020). Synthesis of Silver Nanoparticles Using Methanolic Extract of Medicinal Plants (Senna alata and Senna hirsuta) and Analysis of Antibacterial Activity. European Journal of Molecular & Clinical Medicine, 7(2), 1581-1594.
D. Madankumar; S. Pari. "Synthesis of Silver Nanoparticles Using Methanolic Extract of Medicinal Plants (Senna alata and Senna hirsuta) and Analysis of Antibacterial Activity". European Journal of Molecular & Clinical Medicine, 7, 2, 2020, 1581-1594.
(2020). 'Synthesis of Silver Nanoparticles Using Methanolic Extract of Medicinal Plants (Senna alata and Senna hirsuta) and Analysis of Antibacterial Activity', European Journal of Molecular & Clinical Medicine, 7(2), pp. 1581-1594.
Synthesis of Silver Nanoparticles Using Methanolic Extract of Medicinal Plants (Senna alata and Senna hirsuta) and Analysis of Antibacterial Activity. European Journal of Molecular & Clinical Medicine, 2020; 7(2): 1581-1594.
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