A mini review on green nanotechnology and its development in biological effects

Archives of Microbiology, Journal Year: 2023, Volume and Issue: 205(4)

Published: March 22, 2023

The utilization of living organisms for the creation inorganic nanoscale particles is a potential new development in realm biotechnology. An essential milestone nanotechnology process creating dependable and environmentally acceptable metallic nanoparticles. Due to its increasing popularity ease, use ambient biological resources quickly becoming more significant this field study. phrase "green nanotechnology" has gained lot attention refers variety procedures that eliminate or do away with hazardous compounds repair environment. Green nanomaterials can be used biotechnological sectors such as medicine biology, well food textile industries, wastewater treatment agriculture field. construction an updated level knowledge study systems might support revolutionize nanoparticles (NPs) are presented article.

Language: Английский

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Nanotechnology – A new frontier of nano-farming in agricultural and food production and its development

The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 857, P. 159639 - 159639

Published: Oct. 22, 2022

Language: Английский

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Biosynthesis of Silver and Gold Nanoparticles and Their Efficacy Towards Antibacterial, Antibiofilm, Cytotoxicity, and Antioxidant Activities

Applied Biochemistry and Biotechnology, Journal Year: 2022, Volume and Issue: 195(2), P. 1158 - 1183

Published: Nov. 7, 2022

The World Health Organization (WHO) reports that the emergence of multidrug-resistant and slow advent novel more potent antitumor antimicrobial chemotherapeutics continue to be highest concern for human health. Additionally, stability, low solubility, negative effects existing drugs make them ineffective. Studies into alternative tactics tackle such tenacious diseases was sparked by anticancer antibacterial. Silver (Ag) gold (Au) nanoparticles (NPs) were created from Trichoderma saturnisporum, much productive fungal strain. Functional extracellular enzymes proteins carried out activities synthesis capping generated nano-metals. Characterization done on obtained Ag-NPs Au-NPs through UV-vis, FTIR, XRD, TEM, SEM. versus methicillin-sensitive Staphylococcus aureus (MSSA) methicillin-resistant (MRSA), Pseudomonas aeruginosa, Klebsiella pneumoniae, antibacterial assessed. In particular, effective against pathogenic bacteria than Au-NPs. Furthermore, antibiofilm study shown had activity Ag-NPs. Interestingly, applying DPPH procedure, these noble metallic NPs antioxidant activity, in which IC50 73.5 μg/mL 190.0 μg/mL, respectively. According cytotoxicity evaluation results, alteration cells as loss their typical shape, partial or complete monolayer, granulation, shrinking, cell rounding with normal Vero 693.68 661.24 Au-NPs, While cancer (Mcf7) 370.56 394.79 produced via green have potential employed medical industry beneficial nanocompounds.

Language: Английский

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Green Biosynthesis of Selenium Nanoparticles Using Orange Peel Waste: Characterization, Antibacterial and Antibiofilm Activities against Multidrug-Resistant Bacteria

Life, Journal Year: 2022, Volume and Issue: 12(6), P. 893 - 893

Published: June 15, 2022

There is an increase of pathogenic multidrug-resistant bacteria globally due to the misuse antibiotics. Recently, more scientists used metal nanoparticles counteract antibacterial resistance. In this study, orange peel waste (OPW) was for selenium nanoparticles' (Se-NPs) biosynthesis through green and ecofriendly method, their applications as antibiofilm agents. Green biosynthesized Se-NPs were characterized using FTIR, XRD, SEM, EDAX, TEM. Characterization results revealed that highly crystalline, spherical, polydisperse, had sizes in range 16-95 nm. The evaluated activities against bacteria. Results illustrated exhibited potential activity Gram-positive (S. aureus ATCC 29213 biofilm-producing clinical isolates S. aureus) Gram-negative (Pseudomonas aeruginosa PAO1, MDR, biofilm, quorum-sensing producing MDR P. aeruginosa, E. coli, K. pneumonia). Moreover, most sensitive at 1000 µg/mL, where inhibition zone 35 mm MIC 25 µg/mL. Furthermore, 0.25 0.5 decreased biofilm significantly. largest noticed pneumonia, which 62% 92% MIC, respectively. conclusion, successfully OPW method promising bacteria, can be later fighting resistant

Language: Английский

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Phytofabrication of zinc oxide nanoparticles with advanced characterization and its antioxidant, anticancer, and antimicrobial activity against pathogenic microorganisms

Biomass Conversion and Biorefinery, Journal Year: 2022, Volume and Issue: 13(1), P. 417 - 430

Published: Oct. 28, 2022

Language: Английский

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Ecofriendly synthesis of silver nanoparticles using Kei-apple (Dovyalis caffra) fruit and their efficacy against cancer cells and clinical pathogenic microorganisms

Arabian Journal of Chemistry, Journal Year: 2022, Volume and Issue: 15(7), P. 103927 - 103927

Published: April 21, 2022

Green fabrication has become a safe approach for producing nanoparticles. Plant-based biogenic synthesis of silver nanoparticles (AgNPs) emerged as possible alternative to traditional chemical production. In this paper, we provide low-cost, green AgNPs utilizing using Kei-apple (Dovyalis caffra) fruit extract. Ultraviolet–visible (UV–Vis) spectroscopy, Fourier Transform Infrared (FTIR), Transmission Electron Microscopy (TEM), X-Ray Diffraction (XRD), Scanning-Electron Microscope (SEM), and Dynamic Light Scattering (DLS) analyses were used characterize produced AgNPs. The formation was shown have surface resonance peak 415 nm in UV–visible spectra, FTIR spectra verified the participation biological molecules Synthesis TEM revealed that biosynthesized mostly spherical form, with size range 12–53 nm. XRD diffractogram demonstrate face cubic centre (fcc) character Excellent anticancer activity recorded where more than 80% Prostate Cancer (PC-3) cell lines inhibited by 100–150 µg/mL AgNPs, while 38% only AgNO3 55.62% D. caffra extract at 150 µg/mL. Destructions PC-3 observed result exposed followed extract, minor alterations AgNO3. 2,2-Diphenyl-1-picrylhydrazyl (DPPH) scavenging three fold 100 indicating good antioxidant activity. inhibitory against Bacillus subtilis, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans Aspergillus fumigatus inhibition diameter zone 28.22 ± 0.25 mm, 23.21 0.35 27.25 0.03 28.40 0.15 29.23 0.44 9.52 0.5 respectively compared fruits considered promising source multi-biological functions.

Language: Английский

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Antibacterial Activity of Green Synthesized Silver Nanoparticles Using Lawsonia inermis Against Common Pathogens from Urinary Tract Infection

Applied Biochemistry and Biotechnology, Journal Year: 2023, Volume and Issue: 196(1), P. 85 - 98

Published: April 26, 2023

Abstract New and creative methodologies for the fabrication of silver nanoparticles (Ag-NPs), which are exploited in a wide range consumer items, significant interest. Hence, this research emphasizes biological approach Ag-NPs through Egyptian henna leaves ( Lawsonia inermis Linn.) extracts analysis prepared Ag-NPs. Plant extract components were identified by gas chromatography mass spectrometry (GC-mass). The analyses carried out UV–visible (UV–Vis), X-ray diffraction (XRD), transmission electron microscope (TEM), scanning (SEM), Fourier transform infrared (FTIR) analysis. UV–Vis reveals that have maximum peak at 460 nm visible light. Structural characterization recorded peaks corresponded to Bragg’s diffractions nano-crystal, with average crystallite sizes varying from 28 60 nm. Antibacterial activities examined, it is observed all microorganisms very sensitive biologically synthesized

Language: Английский

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Baker’s Yeast-Mediated Silver Nanoparticles: Characterisation and Antimicrobial Biogenic Tool for Suppressing Pathogenic Microbes

BioNanoScience, Journal Year: 2022, Volume and Issue: 12(4), P. 1220 - 1229

Published: Aug. 18, 2022

Language: Английский

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Antifungal Activity of Biosynthesized Silver Nanoparticles (AgNPs) against Aspergilli Causing Aspergillosis: Ultrastructure Study

Journal of Functional Biomaterials, Journal Year: 2022, Volume and Issue: 13(4), P. 242 - 242

Published: Nov. 15, 2022

Currently, nanoparticles and nanomaterials are widely used for biomedical applications. In the present study, silver (AgNPs) were successfully biosynthesized using a cell-free extract (CFE) of Bacillus thuringiensis MAE 6 through green ecofriendly method. The size AgNPs was 32.7 nm, their crystalline nature confirmed by XRD, according to characterization results. A surface plasmon resonance spectrum obtained at 420 nm. Nanoparticles further characterized DLS FTIR analyses, which provided information on size, stability, functional groups. revealed less cytotoxicity against normal Vero cell line [IC50 = 155 μg/mL]. Moreover, exhibited promising antifungal activity four most common Aspergillus, including Aspergillus niger, A. terreus, flavus, fumigatus concentrations 500 μg/mL where inhibition zones 16, 20, 26, 19 mm, respectively. addition, MICs 125, 62.5, 15.62, 62.5 μg/mL, Furthermore, ultrastructural study effect AgNPs, wall's integrity homogeneity lost; membrane had separated from wall intruded into cytoplasm. conclusion, CFE B. can be as agent species causing Aspergillosis.

Language: Английский

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Unveiling Antimicrobial and Insecticidal Activities of Biosynthesized Selenium Nanoparticles Using Prickly Pear Peel Waste

Journal of Functional Biomaterials, Journal Year: 2022, Volume and Issue: 13(3), P. 112 - 112

Published: Aug. 2, 2022

In the current study, prickly pear peel waste (PPPW) extract was used for biosynthesis of selenium nanoparticles through a green and eco-friendly method first time. The biosynthesized SeNPs were characterized using UV-Vis, XRD, FTIR, TEM, SEM, EDX, mapping. Characterization results revealed that spherical, polydisperse, highly crystalline, had sizes in range 10-87.4 nm. Antibacterial, antifungal, insecticidal activities evaluated. Results exhibited promising antibacterial against Gram negative (E. coli P. aeruginosa) positive (B. subtilis S. aureus) bacteria where MICs 125, 62.5, 15.62 µg/mL, respectively. Moreover, showed potential antifungal activity toward Candida albicans Cryptococcus neoformans 3.9 7.81 Furthermore, tested crud severely induced larvicidal mosquitoes with LC50 LC90 219.841, 950.087 mg/L 75.411, 208.289 mg/L, fecundity hatchability C. pipiens mosquito significantly decreased as applied concentrations increased either crude or fabricated extracts. conclusion, have antibacterial, activities, which can be biomedical environmental applications.

Language: Английский

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