Agro-Waste Sweet Pepper Extract-Magnetic Iron Oxide Nanoparticles for Antioxidant Enrichment and Sustainable Nanopackaging

Polymers, Journal Year: 2024, Volume and Issue: 16(4), P. 564 - 564

Published: Feb. 19, 2024

This study synthesizes magnetic iron oxide nanoparticles from agro-waste sweet pepper extract, exploring their potential as antioxidant additives and in food preservation. Iron (III) chloride hexahydrate is the precursor, with extract both a reducing capping agent at pH 7.5. Characterization techniques, including microscopy spectroscopy, analyze extract-magnetic nanoparticles. Antioxidant capacities against 2,2-diphenyl-1-picrylhydrazyl are assessed, incorporating into banana-based bioplastic for grape Microscopy reveals cubic quasi-spherical structures, spectroscopy confirms functional groups, Fe–O bonds. X-ray diffraction identifies monoclinic magnetite hematite presence. Sweet exhibits 100% inhibitory activity 20 min, while show an IC50 of 128.1 µg/mL. Furthermore, these nanoparticles, stabilized bioplastic, effectively preserve grapes, resulting 27.4% lower weight loss rate after 144 h compared to control group (34.6%). pioneering encourages institutional research natural properties combined other metal offering sustainable solutions nanopackaging Current focuses on refining experimental parameters investigating diverse applications varied contexts.

Language: Английский

---

Facile one step microwave-assisted bioextract-mediated green synthesis of ZnO NPs and subsequent investigation of their antibacterial and photocatalytic activity

Chemical Papers, Journal Year: 2024, Volume and Issue: 78(15), P. 8309 - 8320

Published: Aug. 31, 2024

Language: Английский

---

Biosynthesis of Nanoparticles Using Endophytes: A Novel Approach for Enhancing Plant Growth and Sustainable Agriculture

Sustainability, Journal Year: 2022, Volume and Issue: 14(17), P. 10839 - 10839

Published: Aug. 31, 2022

Current strategies for increasing food production rely heavily on the use of agrichemicals to improve plant growth and resistance disease. However, many these chemicals have been shown negative impacts human health environment. Nanotechnology presents itself as one promising technologies that can be employed overcome challenges, but, in same way harmful, so too nanotechnology lines cause harm. In an effort produce nanoparticles (NPs) environmentally friendly sustainable manner, biological synthesis pathways using microbes plants are being explored developed. Synthesis NPs endophytic microbiomes is approaches showing great potential, offering alternatives current adding value agricultural systems. This review potential synthesized (primarily bacteria fungi) enhance disease resistance, ultimately making agriculture more sustainable. The future focus exploration this important technique advocated.

Language: Английский

---

Synergistic Antibacterial Proficiency of Green Bioformulated Zinc Oxide Nanoparticles with Potential Fosfomycin Synergism against Nosocomial Bacterial Pathogens

Microorganisms, Journal Year: 2023, Volume and Issue: 11(3), P. 645 - 645

Published: March 2, 2023

The drug resistance of bacterial pathogens causes considerable morbidity and death globally, hence there is a crucial necessity for the development effective antibacterial medicines to address issue. bioprepared zinc oxide nanoparticles (ZnO-NPs) were prepared utilizing flower extract Hibiscus sabdariffa then characterized using different physicochemical techniques. effectiveness ZnO-NPs their synergism with fosfomycin evaluated disk diffusion assay against concerned pathogens. Transmission electron microscopy (TEM) investigation showed that average particle size was 18.93 ± 2.65 nm. Escherichia coli expressed highest sensitivity bioinspired suppressive zone 22.54 1.26 nm at concentration 50 µg/disk, whereas maximum synergistic effect noticed Klebsiella pneumoniae strain ratio 100.29%. In conclusion, demonstrated significant efficacy nosocomial pathogens, highlighting potential ZnO NPs-fosfomycin combination control infections in intensive care units (ICUs) health settings. Furthermore, biogenic ZnO-NPs’ action food such as Salmonella typhimurium E. indicates usage packaging applications.

Language: Английский

---

Development of novel biofilm using Musa acuminata (waste banana leaves) mediated biogenic zinc oxide nanoparticles reinforced with chitosan blend

Journal of King Saud University - Science, Journal Year: 2023, Volume and Issue: 36(3), P. 103080 - 103080

Published: Dec. 27, 2023

The present study reports a cost-effective, eco-friendly, and straightforward approach to synthesize Zinc Oxide Nanoparticles (ZnO NPs) using agro-waste banana (Musa acuminata) leaves compares it with chemogenic ZnO NP. investigated biogenic NPs, examining their size, shape, morphological structure, stability UV-Vis Spectroscopy, X-Ray Diffraction (XRD), Field Transmission Scanning Electron Microscopy (FESEM), Energy Dispersive (EDX), Fourier Transform Infrared Spectroscopy (FTIR). Antibacterial potency against Staphylococcus aureus Salmonella typhimurium was tested through the Disk Diffusion method. Bio-nanocomposites were created by incorporating different NP concentrations into chitosan via solvent casting Film characteristics analyzed SEM, tensile strength, film moisture (FM), solubility (FS), water-holding capacity (WHC). activity of bio-nanocomposites assessed Viable Cell Colony Count results color change confirmed formation having sharp peaks at 370nm 381nm respectively spherical structure an average crystalline size 36.73nm 75.31nm. had greater inhibitory action both than Besides, biofilms enhanced followed biofilms. suggests green approach, smaller nanosized NPs unique advantages over counterparts. resulting exhibit potential enhance food quality, safety, longevity in industry. This aligns circular economy principles, utilizing waste for raw material synthesis promoting manufacturing innovation.

Language: Английский

---