Impact of Biosynthesized CeO2 Nanoparticle Concentration on the Tribological, Rheological, and Thermal Performance of Lubricating Oil DOI Creative Commons
Siraj Azam, Sang‐Shin Park

Lubricants, Journal Year: 2024, Volume and Issue: 12(11), P. 400 - 400

Published: Nov. 20, 2024

This study presents an approach to enhance the performance of lubricating oils through environmentally friendly synthesis cerium oxide (CeO2) nanoparticles using Moringa oleifera leaf extract. These biosynthesized were thoroughly characterized for their structural and thermal stability by utilizing X-ray diffraction, scanning electron microscopy, transmission microscopy. The CeO2 nanolubricants, prepared at various concentrations, displayed significant improvements in viscosity, stability, conductivity. Specifically, 0.15 wt% concentration achieved best performance, reducing viscosity 9.79 pascal-second (Pa·s) 80 °C while exhibiting excellent dispersion minimal sedimentation over time. conductivity tests revealed a notable 43% increase heat transfer efficiency higher nanoparticle concentrations. Tribological conducted tribometer demonstrated lubrication properties. nanolubricant with lowest friction coefficient, showing approximate 26% reduction compared base oil, along decrease wear rate. demonstrates potential as effective, sustainable additives oils, providing improved thermal, rheological, tribological properties marking step toward eco-friendly solutions.

Language: Английский

Nanoparticles induced health hazards through environmental exposure and direct contact DOI
Divya Bajpai Tripathy, Subhalaxmi Pradhan

Proceedings of the Institution of Mechanical Engineers Part N Journal of Nanomaterials Nanoengineering and Nanosystems, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

The swift applications of nanoparticles (NPs) in different fields such as pharmaceuticals, semiconductor, and decontamination require a comprehensive evaluation their impacts on the health human beings. This critical review consolidates current knowledge nanoparticle toxicity with an attempt to unravel biochemical physiological processes by which NPs may harm health. Exposure routes including aspiration, skin permeation, direct consumption are involved especially assessed terms biodistribution biokinetics living organisms. An exploration physico-chemical characteristics particle size, morphology, surface charge, chemical make-up yields fact that all those things play important role regulation relation other include cell uptake, generation oxidative stress, inflammation. New data define linkages between NP exposure respiratory cardiovascular diseases, Neurotoxicity, potential carcinogenicity. further relies present methodological deficiencies lack harmonization existing assessments for chronic risks call more standardized testing protocols elaborate long-term epidemiological investigations. goal this is highlight hazards associated nanoparticles. In addition, authors also tried contribute regulatory guidance directions design safer nanomaterials will help protect population at dawn nanotechnologies.

Language: Английский

Citations

0
Flexible sodium alginate-gelatin hydrogel membrane incorporated with green synthesized bimetallic ZnO:CeO2 nanocomposite for antioxidant, antibacterial and biocompatibility studies DOI
Yasir Iqbal, Faheem Amin, Muhammad Hammad Aziz

et al.

Reactive and Functional Polymers, Journal Year: 2025, Volume and Issue: 212, P. 106228 - 106228

Published: Feb. 27, 2025

Language: Английский

Citations

0
Synthesis and characterization of superhydrophobic ceria doped cardanol polyurea nanocomposite coatings with robust anti-corrosive and antibacterial properties DOI

Afroz Jahan,

Fahmina Zafar,

S. A. Rizvi

et al.

Progress in Organic Coatings, Journal Year: 2025, Volume and Issue: 203, P. 109167 - 109167

Published: Feb. 28, 2025

Language: Английский

Citations

0
Chemically engineered nanoceria-vancomycin enriched multifaceted hydrogel for combatting deep wounds: Insights from preclinical research DOI

Zenab Darban,

Wajid Mohammad Sheikh,

Hemant Singh

et al.

Materials Today Chemistry, Journal Year: 2025, Volume and Issue: 45, P. 102615 - 102615

Published: March 4, 2025

Language: Английский

Citations

0
A novel process of triple-passed CO2 methanation over gradient-coated spiral-structured Ni/CeO2 catalysts DOI Creative Commons
Porapak Suriya, Atthapon Srifa, Wanida Koo-amornpattana

et al.

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: March 22, 2025

The objective of this study is to develop an efficient gradient spiral-structured Ni/CeO2 catalyst for CO2 methanation. catalysts were prepared by the coating method. process employs a triple-passed operation steam trapping increase CH4 product at flow rates from 100 3000 ml/min. At low rate (100 ml/min), reactor's conversion efficiency (98.5%) and selectivity (99.9%) are slightly greater than those single-passed reactor (96.4% 99.9%, respectively). When operating high ml/min, can reach up 83.4% 94.9% selectivity, whilst only achieve 64% 87.4% selectivity. In addition, spiral structure enhance heat transfer, eliminating hotspots as well improving mass transfer swirling flow. development could be beneficial conducting thermal energy thick-coated front spiral-catalyst thinner-coated terminal spiral-catalyst. Furthermore, would further

Language: Английский

Citations

0
Effects of cerium oxide nanoparticle on liver oxidative stress and morphological changes in opium withdrawal rats DOI Creative Commons
Ebrahim Abbasi Oshaghi, Fatemeh Mirzaei, Ali Ghaleiha

et al.

Toxicology Reports, Journal Year: 2025, Volume and Issue: unknown, P. 102025 - 102025

Published: April 1, 2025

Language: Английский

Citations

0
Application of Nanoparticles (NPs) to Ameliorate Abiotic Stress in Economically Important Crop Species: a Potential Review DOI
Tusar Kanti Roy, Md. Saiful Islam, Nor Aida Mahiddin

et al.

Deleted Journal, Journal Year: 2024, Volume and Issue: 77(1)

Published: Dec. 20, 2024

In the face of escalating environmental challenges, application nanoparticles (NPs) offers a promising approach to ameliorate abiotic stress in economically important crop species. This review examines mechanisms by which NPs enhance plant resilience stressors such as drought, salinity, oxidative stress, heavy metal toxicity, and cold. Stress conditions led decreased photosynthetic pigments, Zn content, K+ uptake. The generation has created new opportunities for plants recover from these stresses. On relative water content consumption efficiency leaves, improve resistance increasing antioxidant enzyme activity. It was discovered that silicon, selenium, iron increased pigments total biomass yields wheat stressed cadmium respectively. Furthermore, Fe-NPs significantly enhanced morphology development plants. When selenium silicon were added rice under toxicity conditions, grain protein Pb Cd concentrations decreased. Additionally, made chitosan, zinc oxide, titanium dioxide, copper, silver, boron can growth characteristics survival rate conditions. Despite benefits, use agriculture raises concerns regarding possible effects human health safety. Thus, it is carefully evaluate potential non-target organisms well their movement fate soil systems.

Language: Английский

Citations

3
Development of Technology for the Synthesis of Nanocrystalline Cerium Oxide Under Production Conditions with the Best Regenerative Activity and Biocompatibility for Further Creation of Wound-Healing Agents DOI Creative Commons
Ekaterina Silina, Stupin Va, Н.Е. Мантурова

et al.

Pharmaceutics, Journal Year: 2024, Volume and Issue: 16(11), P. 1365 - 1365

Published: Oct. 25, 2024

The issue of effective wound healing remains highly relevant. objective the study is to develop an optimal method for synthesis nanosized cerium oxide powder obtained via thermal decomposition carbonate precipitated from aqueous nitrate solution technical creation new drugs in production conditions; select modification under different conditions based on evaluation physicochemical characteristics material and its biological activity, broad-spectrum effect cells involved regeneration skin structure as well antimicrobial properties.

Language: Английский

Citations

1
Impact of Biosynthesized CeO2 Nanoparticle Concentration on the Tribological, Rheological, and Thermal Performance of Lubricating Oil DOI Creative Commons
Siraj Azam, Sang‐Shin Park

Lubricants, Journal Year: 2024, Volume and Issue: 12(11), P. 400 - 400

Published: Nov. 20, 2024

This study presents an approach to enhance the performance of lubricating oils through environmentally friendly synthesis cerium oxide (CeO2) nanoparticles using Moringa oleifera leaf extract. These biosynthesized were thoroughly characterized for their structural and thermal stability by utilizing X-ray diffraction, scanning electron microscopy, transmission microscopy. The CeO2 nanolubricants, prepared at various concentrations, displayed significant improvements in viscosity, stability, conductivity. Specifically, 0.15 wt% concentration achieved best performance, reducing viscosity 9.79 pascal-second (Pa·s) 80 °C while exhibiting excellent dispersion minimal sedimentation over time. conductivity tests revealed a notable 43% increase heat transfer efficiency higher nanoparticle concentrations. Tribological conducted tribometer demonstrated lubrication properties. nanolubricant with lowest friction coefficient, showing approximate 26% reduction compared base oil, along decrease wear rate. demonstrates potential as effective, sustainable additives oils, providing improved thermal, rheological, tribological properties marking step toward eco-friendly solutions.

Language: Английский

Citations

1