Copper / Chitosan Nanocomposite Prepared by Chemical Method for Active Antimicrobial Activity
Bionatura, ISSN: 1390-9355, Vol: 8, Issue: CSS3, Page: 1-16
2023
- 1Citations
- 4Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
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Article Description
Background: Chitosan is a promising polymeric that has received much attention recently. Chitosan nanoparticles have wide applications as a nanocarrier for different organic and inorganic substances. Materials and Methods: In the present study, copper (CuNPs), chitosan nanoparticles (CNPs) and Cu/CS nanocomposite (Cu/CNC) were prepared and characterized. All prepared nanoparticles were inspected by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Field emission scanning electron microscope (FE-SEM ), Energy Dispersive Spectroscopy (EDS), UV/VIS spectroscopy, and zeta potential. Finally, the antimicrobial activity of CuNPs, CNPs and Cu/CNC was tested by disc diffusion assay at different concentrations (0.5-2 mg/ml) against Candida albicans, Klebsiella. pneumoniae, Pseudomonas aeruginosa, Proteus mirabilis, Cryptococcus sp., Staphylococcus aureus, Escherichia coli, and Acinetobacter sp. Results: The results showed an absorbance peak at 550 nm due to the presence of Cu/CNC. From the FTIR spectrum, a peak at 686.66 cm-1 refers to the copper successfully binding with chitosan. Furthermore, the particle size average of Cu/CNC was 36.34-48.27 Cu/CNC has the highest growth inhibition zone at a concentration of 2 mg/ml against C.albicans, P.aeruginosa and S.aureus with the diameters (9.75±0.35, 15±1.41, 15.5±0.70) mm, respectively. Conclusion: This study showed that Cu/CNC has higher antimicrobial activity than CNPs and CuNPs. It presented higher antibacterial activity against gram-negative bacteria than gram-positive bacteria.
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