Showing 1,401 - 1,420 results of 1,594 for search '"copper"', query time: 0.04s Refine Results
  1. 1401

    Thermally radiative water-based hybrid nanofluid with nanoparticles and gyrotactic microorganisms past a stretching surface with convective conditions and porous media by Humaira Yasmin, Rawan Bossly, Fuad S. Alduais, Afrah Al-Bossly, Anwar Saeed

    Published 2025-01-01
    “…Therefore, in this analysis, we have examined the flow of a water-based hybrid nanofluid containing copper (Cu) and alumina (Al2O3) nanoparticles along with gyrotactic microorganisms on an elongated sheet. …”
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  2. 1402

    Modular access to saturated bioisosteres of anilines via photoelectrochemical decarboxylative C(sp3)–N coupling by Kang-Ning Yuan, Hongjun Zhuang, Jie Wei, Yu Shen, Hong-Qing Yao, Ming-Hong Li, Lin-Lin Xu, Ming Shang

    Published 2025-01-01
    “…The success of this reaction hinges on the merging the cooperative ligand-to-metal charge transfer (LMCT) with copper-catalyzed amination. Notably, this net-oxidative C(sp3)–N forming reaction operates under mild electrode potentials and proceeds through hydrogen evolution, eliminating the need for external chemical oxidants. …”
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  3. 1403

    Effect of crack template structure morphology on electromagnetic shielding efficiency and visual performance of metal mesh optical window by Liqing Yang, Yongmao Guan, Fei Gao, Rui Wan, Pengfei Wang

    Published 2025-03-01
    “…Infrared spectroscopy revealed that hydrogen bonding in the solvents influenced crack formation, resulting in narrower cracks and smaller periods. Copper meshes were deposited using these templates, with DP1- and DP4-mesh showing average transmittances of 80.2 % and 84.5 %, respectively, across 380–800 nm. …”
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  4. 1404

    Effect of Temperature on Synthesis of Hydroxyapatite/Chitosan Composite Using the <i>In-Situ</i> Method as a Heavy Metal Adsorbent by Novesar Jamarun, Tri Yupi Amirullah, Syukri Syukri, Arika Prasejati, Wulandari Wulandari, Sintia Caniago, Nabiila Ayyu Tricahyani

    Published 2025-01-01
    “…Removing hazardous non-organic waste containing heavy metals like copper and lead is crucial for environmental protection. …”
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  5. 1405

    Trace elements in children with pre-dialysis and end-stage renal disease by Alsalam Asmaa Abd, Ali Ruaa H., Hussain Haider K., Mahdi Montadher Ali

    Published 2024-01-01
    “…Trace elements as iron (Fe), zinc (Zn) and copper (Cu) are required for a variety of physiological activities and may influence CKD progression. …”
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  6. 1406

    Metal oxides carbon xerogel nanocomposite for methanol oxidation fuel cell by Fatma Mohamed, Mohamed Shaban, Omnia M. Salem

    Published 2025-02-01
    “…The electrocatalytic performance of Carbon xerogel doped with Iron (Fe3O4/CX), carbon xerogel doped with magnesium (MgO/CX), and carbon xerogel doped with Copper (CuO/CX) about the Methanol Oxidation Reaction (MOR) was investigated using electrochemical methods such as cyclic voltammetry, impedance spectroscopy, and chronoamperometry. …”
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  7. 1407

    A Comparative Study of Antibacterial Activity of CuO/Ag and ZnO/Ag Nanocomposites by R. B. Asamoah, E. Annan, B. Mensah, P. Nbelayim, V. Apalangya, B. Onwona-Agyeman, A. Yaya

    Published 2020-01-01
    “…This study compares the antibacterial activity of two separate nanocomposites, which are copper oxide with silver (CuO/Ag) and zinc oxide with silver (ZnO/Ag). …”
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  8. 1408

    Synthesis and Antiviral Evaluation of 5-(4-Aryl-1,3-butadiyn-1-yl)-uridines and Their Phosphoramidate Pronucleotides by Evan Saillard, Otmane Bourzikat, Koffi Assa, Vincent Roy, Luigi A. Agrofoglio

    Published 2024-12-01
    “…These compounds were synthesized using Sonogashira palladium-catalyzed reactions and nickel–copper-catalyzed C-H activation between various alkynes, yielding between 25% and 67%. …”
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  9. 1409

    Biogenesis, characterization, and applications of Spirulina selenium nanoparticles by Asmaa S. Yassein, Rokaia B. Elamary, Eman A. Alwaleed

    Published 2025-02-01
    “…Abstract Background Nowadays, researchers are attracted to the phyco-synthesis of selenium nanoparticles (SeNPs) for biotechnological and medical applications as they possess many advantages such as safety, nutritional value, and easy biodegradation than gold, copper, and silver nanoparticles. Spirulina platensis is the preferred microalgae for SeNPs synthesis because it contains many compounds that increase their stability making them fit for biomedical treatments. …”
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  10. 1410

    Inhibitory Effect of Lactobacillus delbrueckii subsp. bulgaricus KSFY07 on Kappa-Carrageenan-Induced Thrombosis in Mice and the Regulation of Oxidative Damage by Pan Wang, Fang Tan, Jianfei Mu, Hongjiang Chen, Xin Zhao, Yanan Xu

    Published 2022-01-01
    “…Further, experimental results showed that LDSB-KSFY07 was able to upregulate the mRNA expression of copper/zinc-SOD (Cu/Zn-SOD), manganese-SOD, and GSH-Px in the liver tissue of thrombotic mice. …”
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  11. 1411

    Potentially Toxic Elements’ Accumulation and Health Risk of Consuming Vegetables Cultivated along the Accra-Tema Motorway by Ebenezer Boahen, Benedicta Yayra Fosu-Mensah, Samuel S. Koranteng, Daniel A. Darko, Gerald Obuobi, Michael Mensah

    Published 2024-01-01
    “…The study investigated the concentrations of chromium (Cr), zinc (Zn), nickel (Ni), copper (Cu), cadmium (Cd), manganese (Mn), and iron (Fe) in lettuce (Lactuca sativa), African eggplant (Solanum melongena), and jute leaves (Corchorus olitorius) at distances 0–10, 50, and 200 m and the health risk of consuming these vegetables. …”
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  12. 1412

    Enrichment features, ecological risks assessment and quantitative sources appointment of sediment heavy metals: An example of the urbanized Xizhi River catchment, South China by Chao Yan, Qirui Wu, Rui Li, Zuobing Liang, Zaizhi Yang, Aiping Zhu, Lei Gao

    Published 2025-01-01
    “…Rapid industrialization is typically the primary cause for heavy metals [HMs: copper (Cu), zinc (Zn), cadmium (Cd), chromium (Cr), nickel (Ni), and lead (Pb)] contamination in urbanized river basins. …”
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  13. 1413

    Piezoelectric energy harvesting under free and forced vibrations for different operating conditions by Amine Ben Alaya, Charfeddine Mrad, Férid Kourda

    Published 2024-12-01
    “…The plate consisted of different materials: copper, aluminum, and steel. The PZT-5H was mounted at different positions on the plate. …”
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  14. 1414

    Development of a Solid-Phase Extraction (SPE) Cartridge Based on Chitosan-Metal Oxide Nanoparticles (Ch-MO NPs) for Extraction of Pesticides from Water and Determination by HPLC by Mohamed E. I. Badawy, Mahmoud A. M. El-Nouby, Abd El-Salam M. Marei

    Published 2018-01-01
    “…The present study aims to prepare two new types of chitosan-metal oxide nanoparticles (Ch-MO NPs), namely, chitosan-copper oxide nanoparticles (Ch-CuO NPs) and chitosan-zinc oxide nanoparticles (Ch-ZnO NPs), using sol-gel precipitation mechanism, and test them new as adsorbent materials for extraction and clean-up of different pesticides from water. …”
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  15. 1415

    Integrative pan-cancer analysis and experiment validation identified GLS as a biomarker in tumor progression, prognosis, immune microenvironment, and immunotherapy by Dongming Li, Donghui Cao, Yangyu Zhang, Xinyi Yu, Yanhua Wu, Zhifang Jia, Jing Jiang, Xueyuan Cao

    Published 2025-01-01
    “…Abstract Glutaminase (GLS), a crucial gene regulating glutaminolysis, has received much attention as it was found to regulate tumor metabolism and copper-induced cell death. However, its biological roles and mechanisms in human cancers remain obscure. …”
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  16. 1416

    Computational analysis of thermo-solutal Marangoni convective unsteady stagnation point flow of tetra hybrid nanofluid past rotating sphere with activation energy by Munawar Abbas, Hawzhen Fateh M. Ameen, Jihad Younis, Nargiza Kamolova, Ebenezer Bonyah, Hafiz Muhammad Ghazi

    Published 2025-01-01
    “…A tetra hybrid nanofluid composed of copper (Cu), molybdenum disulfide (MOS2), titanium oxide (TiO2,), iron oxide (Fe3O4), and water is used as the inappropriate fluid. …”
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  17. 1417

    Thermal Convective Instabilities and Chaos in a Rotating Hybrid Nanofluid Layer with Cattaneo–Christov Heat Flux Model by Sèmako Justin Dèdèwanou, Adjimon Vincent Monwanou, Aimé Audran Koukpémèdji, Amoussou Laurent Hinvi, Clément Hodévèwan Miwadinou, Jean Bio Chabi Orou

    Published 2022-01-01
    “…The different results showed that the addition of hybrid nanoparticles (alumina-copper) to a thermal fluid (water) subjected to the rotation force in the presence or absence of the thermal relaxation time allows control of the chaotic convection in the base fluid. …”
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  18. 1418

    Physicochemical and Emulsifying Properties of Melia azedarach Gum by Kofi Acheampong Asamoa Mensa, Noble Kuntworbe, Yaa Asantewaa Osei, Mariam El Boakye-Gyasi, Frederick William Akuffo Owusu, Lawrence Michael Obeng, Osei-Asibey Antwi, Winifred Naa Adoley, Kwabena Ofori-Kwakye

    Published 2024-01-01
    “…The gum has low moisture content and good swelling properties. Lead, copper, cadmium, and mercury were not detected. Emulsions containing 15%w/v of acacia or MA gum had the smallest average (Z-average) droplet size (acacia: 1.837 ± 0.420 μm; MA gum: 2.791 ± 0.694 μm) and the highest zeta potential (acacia: −30.45 mV; MA gum: −32.867 mV). …”
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  19. 1419

    UPGRADED SCIENTIFIC ORHODONTIC SIMULATOR WITH TEMPERATURE CONTROL AND THERMOCHAMBER by Radu Mircea Pisc, Anne Marie Rauten, Roxana Marinescu, Horia Octavian Manolea

    Published 2024-12-01
    “…The electrodont must be under direct supervision of the user because the heat inducted by copper in the wax will over melt the wax resulting complete destruction of the electrodont and subsequent failure in obtaining the results of the treatment performed on electrodont. …”
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  20. 1420

    Corrosion and wear study of medium entropy Pb-Sn-Cu alloy for coating application by Gokul M. Pillai, Kuldeep Singh, Shanmugasundaram Thangaraju, Shashinath Jha, Vinod Kumar

    Published 2025-03-01
    “…This study focuses on developing a low-friction coating material using ternary medium entropy alloy using lead (Pb), tin (Sn), and copper (Cu). A Vajra Lep made of Pb-Sn-Cu system reported in Varah Mihir's Jyotish Granth ''Brihat-Samhita'' inspired this research. …”
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