Starch-Assisted Eco-Friendly Synthesis of ZnO Nanoparticles: Enhanced Photocatalytic, Supercapacitive, and UV-Driven Antioxidant Properties with Low Cytotoxic Effects

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(2), P. 859 - 859

Published: Jan. 20, 2025

This study presents an efficient and environmentally sustainable synthesis of ZnO nanoparticles using a starch-mediated sol-gel approach. method yields crystalline mesoporous NPs with hexagonal wurtzite structure. The synthesized demonstrated remarkable multifunctionality across three critical applications. In photocatalysis, the exhibited exceptional efficiency, achieving complete degradation methylene blue within 15 min at pH 11, significantly surpassing performance commercial ZnO. Under neutral conditions, effectively degraded various organic dyes, including blue, rhodamine B, methyl orange, following pseudo-first-order kinetics. process was aligned Langmuir–Hinshelwood model, emphasizing their advanced catalytic properties. For supercapacitor applications, attained high specific capacitance 550 F/g 1 A/g, underscoring potential as energy storage solutions. Additionally, strong UV-induced antiradical activity, EC50 32.2 μg/mL in DPPH assays. Notably, cytotoxicity evaluation revealed LC50 1648 μg/mL, indicating excellent biocompatibility. highlights approach for multifunctional that offers effective solutions environmental remediation, storage, biomedical

Language: Английский

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Modern approaches to the use of ultrafine and nanoparticles as components of feed additives in poultry farming

World s Poultry Science Journal, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 40

Published: Feb. 18, 2025

Language: Английский

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Healthcare environments in pulmonary rehabilitation units: Effective ­infection control through integration of long-term antimicrobial materials

Multidisciplinary Respiratory Medicine, Journal Year: 2025, Volume and Issue: 20(Vol. 20 (2025))

Published: April 15, 2025

Background: Chronic obstructive pulmonary disease is a leading cause of morbidity and mortality worldwide. Effective infection control in rehabilitation units essential but remains insufficiently studied. This study investigated bacterial contamination, the distribution species, effectiveness antimicrobial strategies center. Methods: Surface swab sampling ZnO-based were employed to assess contamination The samples cultured, species identified. Results: Bacterial on six key surfaces was initially high (over 500 CFUs/100 cm2) significantly reduced after application ZnO tape these surfaces. antibacterial rates exceeded 80% one week using nanoparticle suspension; however, some surfaces, declined even three weeks. These findings suggest that protection should be renewed weekly maintain its efficacy. Conclusions: solution effectively center, underscoring need for regular disinfection innovative strategies.

Language: Английский

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A novel zinc complex for rubber vulcanization: Enhanced mechanical properties and reduced environmental impact through ZnO substitution

Polymer Engineering and Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Abstract Decreasing zinc consumption in vulcanization processes of rubber represents a major environmental issue for the industry. To overcome this problem, novel method has been developed based on replacing conventional oxide (ZnO) with dodecyl sulfate (Zn(DS) 2 ) styrene‐butadiene (SBR). The amount free incorporated composites quantified by flame atomic absorption spectroscopy (FAAS). Results indicated reduction content samples containing Zn(DS) 34%–77% as compared control sample 3 phr ZnO. Further investigations have also performed to find out effect crosslink density, thermal and mechanical properties, curing characteristics, dynamic behavior swelling tests, rheometric measurements, tensile thermogravimetric analysis (TGA), (DMA). Replacement ZnO increased density significantly, much 105%, thus providing evidence enhanced availability Zn cations accelerator. Also, increases strength ice grip rolling resistance 30%, 101%, 13%, respectively were observed. Overall, shows promise viable alternative traditional ZnO‐based activators tire industry increasing performance decreasing levels. Highlights Zinc replaces vulcanizate. Unreacted decreases 77% incorporation. matrix. enhances strength, grip, resistance.

Language: Английский

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Plastic Waste-Derived Modified Low-Density Polyethylene Membrane for Solar-Assisted Degradation of Antipyretic Drug Paracetamol from Water Resources

ACS ES&T Water, Journal Year: 2025, Volume and Issue: unknown

Published: April 29, 2025

Language: Английский

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Assessment of the Raceway Pond Reactor for Degradation of Methylene Blue Dye in Different Types of Water: A Systematic Kinetics Study under Natural Solar Light

ACS ES&T Water, Journal Year: 2024, Volume and Issue: 4(8), P. 3495 - 3508

Published: July 8, 2024

The Atacama Desert (AD), known for its extreme aridity and abundant solar irradiance, presents an opportunity innovative solar-based environmental research. Raceway pond reactors (RPRs), characterized by their shallow, circular design, offer a scalable solution pollutant degradation in aqueous environments, versatility eco-friendliness. This study explores the effectiveness of RPRs under intense radiation AD degrading Methylene blue (MB) dye across different water types: deionized (DW), tap (TW), seawater (SW) with natural pH levels 5.7, 7.1, 8.5, respectively. Zinc oxide (ZnO) synthesized via sol–gel method was used as photocatalyst average crystallite size 42.38 80.14 nm determined Scherrer Williamson–Hall equations, Results demonstrate successful removal 100%, 98.54%, 84.64% 20 mg/L MB using 0.4 g/L ZnO photocatalysts 10 L DW, TW, SW, Kinetic analysis favors pseudo-first-order model, order follows DW > TW SW based on constants (0.03902, 0.03217, 0.00969 min–1), highlighting potential energy remediation sun-rich regions.

Language: Английский

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Enhanced Photocatalytic Performance of ZnO NRs Using Mechanical-Assisted Thermal Decomposition Method for the Degradation of Humic Acid

Deleted Journal, Journal Year: 2024, Volume and Issue: unknown

Published: May 29, 2024

In this study, ZnO nanorods were successfully synthesized by using the one-step mechanical-assisted thermal decomposition method. The crystalline nature and morphology of as-synthesized sample confirmed X-ray diffraction (XRD) Field emission-scanning electron microscopy (FESEM). optical bandgap (Eg) obtained is measured ~ 2.57 eV UV–Visible spectrophotometer. photocatalyst (25 mg) was used for degradation 3 mg/100 ml concentration humic acid. enhanced photocatalytic activity towards Maximum efficiency attained acid 99.4% in 100 min. Mott-Schottky plots show n-type nanorods. negative surface charge (− 8.51 mV) observed from Zeta potential curve. their performance observed, which makes them ideal candidate diverse applications such as applications, catalysis pollutants remove heavy metal ions (HMIs) environmental remediation.

Language: Английский

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Microbial Intervention With Nanomaterials

Advances in chemical and materials engineering book series, Journal Year: 2024, Volume and Issue: unknown, P. 497 - 534

Published: June 30, 2024

Bioremediation, employing microorganisms to degrade or immobilize environmental contaminants, is a promising approach for mitigating agricultural pollution. Recent advancements have highlighted the potential of nanomaterials enhance microbial remediation strategies in agroecosystems. This chapter synthesizes current knowledge on synergistic application and intervention bioremediation purposes settings. We discuss mechanisms underlying enhanced efficacy facilitated by nanomaterials, encompassing improved activity, pollutant adsorption, targeted delivery systems. Furthermore, we assess implications, challenges, future prospects associated with this innovative approach. Understanding interplay between communities crucial optimizing fostering sustainable practices.

Language: Английский

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