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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15 |
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| Paper Title: | PSIDIUM GUAJAVA LEAF EXTRACT AS A REDUCING AGENT FOR THE SYNTHESIS, CHARACTERIZATION AND BIO ACTIVITY OF SILVER NANOPARTICLES |
| Authors Name: | NYASHA MAKUVE |
| Unique Id: | IJSDR2104007 |
| Published In: | Volume 6 Issue 4, April-2021 |
| Abstract: | Abstract The green synthesis of silver nanoparticles (AgNPs) from Psidium guajava leaf extracts, characterization and bioactivity is reported. The optimum synthesis conditions were achieved after 2 h at a temperature of 80 oC in 11 mM silver nitrate and 8 mL Psidium guajava leaf extract amount. High throughput characterization such as ultraviolet –visible (UV-Vis) spectrophotometer, Fourier transform infrared spectrophotometer (FT-IR), Scanning electron microscopy (SEM), X-ray diffraction (XRD) and energy dispersive X-ray analysis (EDAX) spectrophotometer were used to confirm the synthesized silver nanoparticles. The 20 nm spherical AgNPs were evaluated as antibacterial agents. Antibacterial studies of synthesized determined by disc diffusion susceptibility test. AgNPs were effective against Staphylococcus aureus and Escherichia coli bacteria with the highest inhibition zone of 20 mm obtained and MIC value of 7 mg/ml against E. coli and 11 mg/ml against S. aureus obtained. |
| Keywords: | green synthesis, silver nanoparticles, antibacterial activity, Psidium guajava |
| Cite Article: | "PSIDIUM GUAJAVA LEAF EXTRACT AS A REDUCING AGENT FOR THE SYNTHESIS, CHARACTERIZATION AND BIO ACTIVITY OF SILVER NANOPARTICLES", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.6, Issue 4, page no.29 - 37, April-2021, Available :http://www.ijsdr.org/papers/IJSDR2104007.pdf |
| Downloads: | 000337071 |
| Publication Details: | Published Paper ID: IJSDR2104007 Registration ID:193108 Published In: Volume 6 Issue 4, April-2021 DOI (Digital Object Identifier): Page No: 29 - 37 Publisher: IJSDR | www.ijsdr.org ISSN Number: 2455-2631 |
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