Antibacterial activity and in vitro cytotoxicity studies of Ag-doped CaO nanoparticles

Lopez‐Badillo, C.M.; Hernández‐González, Miguel; Hernández-Centeno, Francisco; Olivas–Armendáriz, I.; Rodríguez-Gónzalez, C.A.; Múzquiz-Ramos, E.M.; López-Cuevas, J.; Peña, Haydee Yajaira López-De la

doi:10.1016/j.matlet.2020.128741

Cited by 9 publications

(3 citation statements)

References 11 publications

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“…After the promising exchange interaction, there will be a modification in the bandgap of Ag-doped composites concerning pure one [54]. Lopez-Badillo et al [59] observed that as the Ag content increase, the amount of absorbed oxygen is accordingly increased, and this increase of absorbed oxygen causes leakage of oxygen-vacancies which strenuous the path of electrons from the valance band; VB to the conduction band; CB [59]. When the concentration of oxygen vacancies is decreased, impurity states become less delocalized and this leads to an increase in the composite bandgap [54].…”

Section: Optical Discussionmentioning

confidence: 99%

“…M Mesgari et al reported that the composition of chitosan and metallic nanoparticles (Titanium dioxide) can be utilized as a functional approach in antimicrobial packaging systems [68]. C. López-Badillo et al reported that CaO nanoparticles doped with Ag at different concentrations can increase the antimicrobial activity of the CaO nanoparticles toward S. aureus and E. coli for Growth kinetics [69]. S Mallakpour and M Okhovat synthesis a set of biocompatible nanocomposites composed of hydroxyapatite, chitosan, and tragacanth gum with different percentages of ZnO NPs and ZnO Ag NPs as fillers into the chitosan and tragacanth gum blend.…”

Section: Optical Discussionmentioning

confidence: 99%

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Nano-architecture of CaO/Ag-chitosan nanocomposite by sol gel process: formation and characterization

2021

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Functionalize nano-architecture CaO/Ag-chitosan bio-nanoparticles were prepared by the acetic acid sol-gel process and were loaded into the chitosan nanocomposite. The so prepared bioactive nano-CaO/Ag-chitosan nanocomposite was characterized using XRD, TEM, FE-SEM, optical, and the antimicrobial activity was evaluated. The antibacterial evaluations implied that chitosan, nano-CaO, and nano-CaO/Ag-chitosan are exhibited subtle antimicrobial activities against both Gram-positive (Staphylococcus aureus) microbes and Gram-negative (Escherichia coli).Ag doping of CaO produces an oxygen vacancy, defects, and improved light scattering and so leads to transmission increase and absorption increase which in turn lead to increase of the bandgap energy. The optical conductivity of the nanocomposites decreased with Ag addition as a direct result of the bandgap increase. These prefatory investigations of the bio nanocomposites will open a good platform for their use in various bio-industries.

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Section: Optical Discussionmentioning

confidence: 99%

Section: Optical Discussionmentioning

confidence: 99%

Nano-architecture of CaO/Ag-chitosan nanocomposite by sol gel process: formation and characterization

2021

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“…The accomplishment of FeO NPs on PBMCs showed 78% viability at 25 μg/mL, respectively. The action of FeO NPs is considered to be non-toxic when cell viability is greater than 70%, as per ISO 10993-5: 2009 [ 41 ]. As a result, the FeO NPs that were synthesized can be considered non-toxic.…”

Section: Resultsmentioning

confidence: 99%

Characterization, Antiplasmodial and Cytotoxic Activities of Green Synthesized Iron Oxide Nanoparticles Using Nephrolepis exaltata Aqueous Extract

et al. 2022

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The use of non-toxic synthesis of iron oxide nanoparticles (FeO NPs) by an aqueous plant extract has proven to be a viable and environmentally friendly method. Therefore, the present investigation is based on the FeO NPs synthesis by means of FeCl3·6H2O as a precursor, and the plant extract of Nephrolepis exaltata (N. exaltata) serves as a capping and reducing agent. Various techniques were used to examine the synthesized FeO NPs, such as UV-Visible Spectroscopy (UV-Vis), Fourier Transform Infrared Spectroscopy (FT-IR), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Energy Dispersive X-ray (EDX). The FT-IR studies were used to identify different photoactive biomolecules at 3285, 2928, 1415, 1170, and 600 cm−1 in the wavenumber range from 4000 to 400 cm−1, indicating the -OH, C-H, C-O, C-C, and M-O groups, respectively. The XRD examination exhibited crystallinity, and the average diameter of the particle was 16 nm. The spherical nature of synthesized FeO NPs was recognized by SEM images, while the elemental composition of nanoparticles was identified by an EDX spectrophotometer. The antiplasmodial activity of synthesized FeO NPs was investigated against Plasmodium parasites. The antiplasmodial property of FeO NPs was evaluated by means of parasite inhibitory concentration, which showed higher efficiency (62 ± 1.3 at 25 μg/mL) against Plasmodium parasite if compared to plant extracts and precursor. The cytotoxicity of FeO NPs was also assessed in human peripheral blood mononuclear cells (PBMCs) under in vitro conditions. The lack of toxic effects through FeO NPs keeps them more effective for use in pharmaceutical and medical applications.

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Mechanisms of gelation induced by laser irradiation for CaO powder dispersed in ethanol – Formation of calcium acetate and its role in gelation

Tsuji,

Takamori,

Fujita

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Antibacterial activity and in vitro cytotoxicity studies of Ag-doped CaO nanoparticles

Cited by 9 publications

References 11 publications

Nano-architecture of CaO/Ag-chitosan nanocomposite by sol gel process: formation and characterization

Nano-architecture of CaO/Ag-chitosan nanocomposite by sol gel process: formation and characterization

Characterization, Antiplasmodial and Cytotoxic Activities of Green Synthesized Iron Oxide Nanoparticles Using Nephrolepis exaltata Aqueous Extract

Mechanisms of gelation induced by laser irradiation for CaO powder dispersed in ethanol – Formation of calcium acetate and its role in gelation

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