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

Archives of Microbiology, Год журнала: 2023, Номер 205(4)

Опубликована: Март 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.

Язык: 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, Год журнала: 2022, Номер 195(2), С. 1158 - 1183

Опубликована: Ноя. 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.

Язык: 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, Год журнала: 2023, Номер 196(1), С. 85 - 98

Опубликована: Апрель 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

Язык: Английский

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Recent advances in metal nanoparticles to treat periodontitis

Journal of Nanobiotechnology, Год журнала: 2023, Номер 21(1)

Опубликована: Авг. 21, 2023

Abstract The gradual deterioration of the supporting periodontal tissues caused by periodontitis, a chronic multifactorial inflammatory disease, is thought to be triggered colonization dysbiotic plaque biofilms in vulnerable host. One most prevalent dental conditions world, periodontitis now leading factor adult tooth loss. When does develop, it treated scraping mineralized deposits and biofilm off surfaces. Numerous studies have shown that non-surgical treatment significantly improves clinical microbiological indices individuals with periodontitis. Although parameters improved, certain bacterial reservoirs often persist on root surfaces even after standard therapy. Periodontitis has been local or systemic antibiotics as well scaling planning. Since there aren't many brand-new market, several researchers are currently concentrating creating alternate methods combating germs. There delay study subject nanoparticle (NP) toxicity, which especially concerned mechanisms action, while area nanomedicine develops. promising them metal NPs since they potent antibacterial action. Metal may employed efficient growth inhibitors variety bacteria, making useful for In this way, new contributed development anti-inflammatory platforms current therapeutic effects metallic summarized study. This data might used develop NP-based alternatives infections. Graphical

Язык: Английский

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Green synthesized ZnO nanoparticles by Saccharomyces cerevisiae and their antibacterial activity and photocatalytic degradation

Biomass Conversion and Biorefinery, Год журнала: 2023, Номер unknown

Опубликована: Сен. 15, 2023

Abstract Many research papers are currently being written about various methodologies for the green synthesis of ZnO nanoparticles. In this study, nanoparticles were prepared by method using baker’s yeast ( Saccharomyces cerevisiae ). The characterization produced involved utilization XRD, FTIR, SEM, and TEM. investigation assessment antimicrobial potential photocatalytic degradation efficacy synthesized materials through Eriochrome Black T (EBT). results indicate that exhibit a spherical morphology, exhibiting diameters ranging from 13.0 to 20.0nm, with an average particle size 15.0nm. against S. aureus ) gram-positive E. coli gram-negative bacteria was tested conduction zone inhibition (ZOI) minimum inhibitory concentration (MIC) tests. This focused on study photocatalytic-degradation EBT in presence ultraviolet light. experiments impact factors, such as pH levels, initial concentration, nanocatalyst dosage, observed efficiency. vitro ZOI MIC assay, it (NPs) exhibited greater , measuring 23.1 mm 0.625 μg/ml. contrast, effectiveness ZnO-NPs comparatively lower, indicated 17.0 1.250μg/ml. greatest elimination, which achieved 83.0% equilibrium, found employing 20.0mg NPs at 3.0, according activity results. synthetic powerful antibacterial agents effective may be used treatment wastewater.

Язык: Английский

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Biogenic metallic nanoparticles: biomedical, analytical, food preservation, and applications in other consumable products

Frontiers in Nanotechnology, Год журнала: 2023, Номер 5

Опубликована: Май 2, 2023

Biogenic metallic nanoparticles (BMNPs) are nanostructure materials synthesized through biological processes that have gained significant attention due to their small size and high surface area-to-volume ratio. BMNPs several advantages over chemically ones eco-friendly synthesis regimen, sustainability, biocompatibility, diverse multifarious biomedical applications. Moreover, the superior cytocompatibility stability capping layer (MNPs), reduces like hood of toxicity side effects, making them a safer alternative traditional drug delivery methods. Among promising applications BMNPs, antibacterial activity, analytical sensing heavy metals, roles in food preservations been widely explored. In addition, imaging, also investigated for therapeutic activity such as antimicrobial efficacy against skin soft tissue nosocomial pathogens targeting cancer cells therapy. The present review bestows characterization techniques involved with MNPs compressive aspects biogenic using agricultural materials, which cost minimizes use hazardous chemicals. focuses on multifold including biomedical, analytical, preservation food, other consumable goods toxicological aspects.

Язык: Английский

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ZnO nanostructures – Future frontiers in photocatalysis, solar cells, sensing, supercapacitor, fingerprint technologies, toxicity, and clinical diagnostics

Coordination Chemistry Reviews, Год журнала: 2024, Номер 515, С. 215942 - 215942

Опубликована: Май 20, 2024

Язык: Английский

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Synthesis and Antimicrobial Applications of ZnO Nanostructures: A Review

ACS Applied Nano Materials, Год журнала: 2023, Номер 6(13), С. 10881 - 10902

Опубликована: Июнь 21, 2023

ZnO nanostructures (ZnO NSs) are able to provide significant antimicrobial activity, ensuring high biocompatibility, good chemical stability, and low toxicity. Such versatility has led great success of this nanomaterial for antibacterial, antifungal, and, more recently, antiviral applications. However, methods the preparation NSs must be properly selected their end use. Moreover, can also cytotoxic some extent. In context, review emphasizes aspects relevant as well use NSs. particular, a brief overview sol–gel, hydrothermal, biogenic, electrochemical approaches proposed synthesis is presented, highlighting advantages/drawbacks each route in terms scalability, simplicity, efficacy. Next, application several fields reported. This followed by discussion role NSs, where mechanisms action, possible cell resistance, cytotoxicity highlighted. We discuss against different biothreats, such bacteria viruses. The future nanomaterials field addressed final part.

Язык: Английский

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Zinc oxide nanoparticles: Pathways to micropollutant adsorption, dye removal, and antibacterial actions - A study of mechanisms, challenges, and future prospects

Journal of Molecular Structure, Год журнала: 2024, Номер 1312, С. 138545 - 138545

Опубликована: Май 6, 2024

Язык: Английский

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Greenly synthesized zinc oxide nanoparticles: An efficient, cost-effective catalyst for dehydrogenation of formic acid and with improved antioxidant and phyto-toxic properties

Journal of environmental chemical engineering, Год журнала: 2024, Номер 12(5), С. 113350 - 113350

Опубликована: Июнь 17, 2024

Язык: Английский

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