Photocatalytic wastewater treatment and disinfection using green ZnO-NP synthesized via cera alba extract

Alexandria Engineering Journal, Journal Year: 2023, Volume and Issue: 83, P. 113 - 121

Published: Oct. 31, 2023

This is the first report to describe green fabrication of zinc oxide nanoparticles starting with cera alba (beeswax) extract as an eco-friendly reducing and capping agent. The reaction nitrate aqueous Cera Alba resulted in formation (ZnO-W). Treatment ZnO-W at 550 °C gave pure (ZnO-G). Various techniques, including FT-IR, XRD, TGA, SEM, HR-TEM, were used analyze structures synthesized nanoparticles. A methylene blue dye solution was evaluate photocatalytic activity. impact catalyst dose, time, pH on degradation under sunlight studied. At optimal conditions, complete photodegradation 10 ppm occurs 40 min. antimicrobial activity ZnO-G evaluated against three microbial strains: Bacillus cereus, Escherichia coli, Candida albicans. exposing various light wavelengths (265 nm, 346 visible light, sunlight) inhibit growth investigated. best result obtained when exposed 265 nm light. study's findings support using prepared via a powerful

Language: Английский

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Green synthesis: an eco friendly approach for metallic nanoparticles synthesis

Particulate Science And Technology, Journal Year: 2023, Volume and Issue: 42(5), P. 874 - 894

Published: Nov. 16, 2023

Nanotechnology is an emerging field with diverse applications, wherein materials ranging in size from 1 to 100 nm, referred as nanoparticles (NPs), are utilized. Traditional methods for producing metallic NPs primarily involve chemical processes, which can result unintended outcomes. To overcome these challenges, a greener alternative, known green synthesis, has been developed. Green synthesis of emerged innovative and environmentally friendly approach nanotechnology. Utilizing plant extracts, microorganisms, biopolymers reducing stabilizing agents, researchers have successfully prepared various nanoparticles, such silver, copper, gold, platinum, palladium nanoparticles. These offer advantages like cost-effectiveness, reduced environmental impact, facile scalability. This method ensures eco-friendliness by implementing techniques the use safe, nontoxic solvents (such supercritical fluids water) additives polysaccharides. Different reaction conditions energy-saving growth also employed enhance sustainability. Nanoparticles synthesized through exhibit unique properties, rendering them highly suitable including catalysis, medicine, energy technologies. review paper explores recent advances biosynthesis at nanoscale highlights different factors that affect their possible applications

Language: Английский

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Fungal endophytes: Treasure trove for green synthesis of metallic nanoparticles and their biological applications

Biocatalysis and Agricultural Biotechnology, Journal Year: 2024, Volume and Issue: 60, P. 103307 - 103307

Published: June 24, 2024

Language: Английский

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Formulation and characterization of quercetin-loaded Prunus armeniaca gum nanoparticles with enhanced anti-bacterial effect

Journal of Drug Delivery Science and Technology, Journal Year: 2024, Volume and Issue: 94, P. 105485 - 105485

Published: Feb. 17, 2024

Language: Английский

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Natural carbon incorporated ZnO/C and ZnO: Sustainable nanomaterials for antioxidant, toxicity and cytotoxicity investigations

Journal of Drug Delivery Science and Technology, Journal Year: 2024, Volume and Issue: 96, P. 105731 - 105731

Published: May 1, 2024

Language: Английский

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Investigating the in vitro antibacterial, antibiofilm, antioxidant, anticancer and antiviral activities of zinc oxide nanoparticles biofabricated from Cassia javanica

PLoS ONE, Journal Year: 2024, Volume and Issue: 19(10), P. e0310927 - e0310927

Published: Oct. 1, 2024

It is thought to be risk-free, environmentally benign, and safe for biological processes produce zinc oxide nanoparticles from renewable resources. This study examined Cassia javanica’s ability create ZnONPs. The generated ZnONPs were analyzed using a variety of techniques, such as TEM, FTIR spectroscopy, UV-Vis XRD analysis. antibacterial potential has been investigated both Agar well diffusion microtitreplate (MTP) methods. One method used evaluate ZnONPs’ capacity scavenge free radicals at different concentrations was the DPPH method. permanent (ZnO) shape naturally occurring crystal structure validated by data. showed activity with MICs 31.7 μg/mL toward Bacillus subtilis , 62.5 Salmonella typhimurium Escherichia coli while Clostridium sporogenes pumilus 125μg/mL. Furthermore, demonstrated range antibiofilm activities Staphylococcus aureus (MRSA). an intriguing antioxidant capacity, achieving IC 50 109.3 μg/ml μg/mL. Additionally, low toxic effect on Vero cell 154.01 possible anticancer action when applied carcinoma lines HepG2 47.48 had promising antiviral impact against HSV1 COX B4, 75.4% 65.8%, respectively.

Language: Английский

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Irisin/PGC-1α/FNDC5 pathway in Parkinson’s disease: truth under the throes

Naunyn-Schmiedeberg s Archives of Pharmacology, Journal Year: 2023, Volume and Issue: 397(4), P. 1985 - 1995

Published: Oct. 11, 2023

Language: Английский

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Celecoxib-Loaded Cubosomal Nanoparticles as a Therapeutic Approach for Staphylococcus aureus In Vivo Infection

Microorganisms, Journal Year: 2023, Volume and Issue: 11(9), P. 2247 - 2247

Published: Sept. 6, 2023

There is a great need for novel approaches to treating bacterial infections, due the vast dissemination of resistance among pathogenic bacteria. Staphylococcus aureus are ubiquitous Gram-positive bacteria and rapidly acquiring antibiotic resistance. Here, celecoxib was encapsulated into cubosomal nanoparticles, particle morphology, size distribution, zeta potential, entrapment efficiency, release were evaluated in vitro. Also, systemic infection model mice elucidated vivo antibacterial action cubosomes. Cubosomes nanotechnology-based delivery system which can adhere external peptidoglycan layers penetrate them. The distribution investigation revealed that prepared celecoxib-loaded cubosomes had mean 128.15 ± 3.04 nm with low polydispersity index 0.235 0.023. potential measurement showed negative surface charge -17.50 0.45, indicating highly stable nanodispersion formation little susceptibility aggregation. dispersion exhibited an efficiency 88.57 2.36%. transmission electron micrograph narrow spherical shape non-aggregated. tested diminished inflammation treated mice's liver spleen tissues, as by hematoxylin eosin stain Masson's trichrome stain. immunostained tissues nuclear factor kappa B caspase-3 monoclonal antibodies marked decrease these markers celecoxib-treated group, it resulted or weak immunostaining ranged from 4.54% 17.43%. This indicates their inhibitory effect on inflammatory pathway apoptosis, respectively. Furthermore, they reduced burden studied tissues. alongside (interleukin-1 beta, interleukin-6, cyclooxygenase-2, tumor necrosis factor-alpha) determined ELISA qRT-PCR. IL-1β levels 16.66 0.5 pg/mg 17 0.9 spleen, IL-6 85 3.2 84 2.4 In conclusion, current study introduced approach formulation enhance its improving oral bioavailability.

Language: Английский

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Green synthesis of ZnO nanoparticles and biological applications as broad-spectrum bactericidal, antibiofilm effects and biocompatibility studies on Zebrafish embryo

Inorganic Chemistry Communications, Journal Year: 2024, Volume and Issue: 169, P. 113049 - 113049

Published: Aug. 26, 2024

Language: Английский

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Antibacterial activity of cinnamon essential oils: mechanisms and applications

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 329 - 349

Published: Jan. 1, 2025

Language: Английский

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