NDLI: Photocatalytic and antibacterial activities of paeonia emodi mediated silver oxide nanoparticles

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Photocatalytic and antibacterial activities of paeonia emodi mediated silver oxide nanoparticles

Content Provider	Scilit
Author	Shah, Amreen Haq, Sirajul Rehman, Wajid Waseem, Muhammad Shoukat, Sabeena Rehman, Mahfooz-Ur
Copyright Year	2019
Description	Journal: Materials Research Express Green synthesis of nanomaterials and its verity of applications have linked chemistry, biotechnology and environmental chemistry. Green process get more attention due to its easy handling and inertness to ecosystem. The selection of green synthesis and silver oxide nanoparticles (Ag2O NPs) are purely based on its nontoxic behavior and promising activates. Eco-friendly process was applied for the synthesis of silver oxide nanoparticles (Ag2O NPs) using Paeonia emodi (P. emodi) fresh leaves extract as reducing agent. The average crystallite size was found to be 38.29 nm, calculated from the FWHM of the diffraction bands of X-rays diffractometer (XRD). The morphological study was made by performing transmission electron microscopy (TEM) and scanning electron microscope (SEM) and the particles size estimated from the micrographs of both techniques are 38.29 and 86.4 nm respectively. The energy dispersive X-ray (EDX) was used to study the purity and percent composition of the Ag2O NPs. The band gap energy (4.02 eV) and surface functional groups was studied by diffuse reflectance spectroscopy (DRS) and fourier transform infrared spectroscopy (FTIR) respectively. The 97.78% methylene blue (MB) was degraded in the presence of Ag2O NPs and UV-Visible light source in 180 min. The antibacterial activity of the Ag2O NPs were tested against Gram-positive (Bacillus subtilis (B. subtilis) and Staphylococcus aureus (S. aureus)) and Gram-negative (Escherichia coli (E. coli) and Pseudomonas aeruginosa (P. aeruginosa) bacteria. It was found that the Ag2O NPs have strong growth inhibiting activity against Gram-negative bacteria than Gram-positive bacteria.
Related Links	http://iopscience.iop.org/article/10.1088/2053-1591/aafd42/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/aafd42
Journal	Materials Research Express
Issue Number	4
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-01-10
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Condensed Matter Physics Antibacterial Activity Ag2o Nps
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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