Showing 1,961 - 1,980 results of 2,510 for search '"Atom"', query time: 0.06s Refine Results
  1. 1961

    Study of Molecular Interactions, Optical, and Structural Properties through the Green Synthesis of Selenium Oxide Nanoparticles from Hibiscus sabdarriffal: Biocompatibility for Bio... by Ali Bahari, Saad I. Esmail, Ashraf M. Alattar

    Published 2024-12-01
    “…Researchers have analyzed the antibacterial properties and nanostructure characteristics of selenium oxide nanocrystallites using various techniques methods, such as imaging microscopy, scanning electron microscopy, ultraviolet‒visible spectroscopy (UV‒VIS), transmission electron microscopy, atomic force microscopy, and X-ray diffraction (XRD) spectroscopy. …”
    Get full text
    Article
  2. 1962

    Enterovirus-like particles encapsidate RNA and exhibit decreased stability due to lack of maturation. by Louis Kuijpers, Evdokia-Anastasia Giannopoulou, Yuzhen Feng, Wouter van den Braak, Abbas Freydoonian, Ramon Ramlal, Hugo Meiring, Belén Solano, Wouter H Roos, Arjen J Jakobi, Leo A van der Pol, Nynke H Dekker

    Published 2025-02-01
    “…Here, we produce VLPs to investigate capsid stability using cryogenic electron microscopy (cryo-EM), mass spectrometry (MS), biochemical assays, and atomic force microscopy (AFM). In contrast to prior studies and prevailing hypotheses, we show that insect-cell produced enterovirus VLPs include encapsidated RNA fragments with viral protein coding sequences. …”
    Get full text
    Article
  3. 1963

    Nutritional Composition of Five Varieties of Pap Commonly Consumed in Maroua (Far-North, Cameroon) by Ponka Roger, Bouba Armand Abdou, Fokou Elie, Beaucher Eric, Piot Michel, Leonil Joëlle, Gaucheron Frédéric

    Published 2015-09-01
    “…Minerals (calcium, magnesium, sodium, potassium, iron, zinc, copper and manganese) were determined by atomic absorption spectrophotometry and phosphorus was determined colorimetrically. …”
    Get full text
    Article
  4. 1964

    An Assessment of Heavy Metals Toxicity in Asian Clam, Corbicula fluminea, from Mekong River, Pa Sak River, and Lopburi River, Thailand by Ai Yin Sow, Koh Han Dee, Seong Wei Lee, Aweng A. L. Eh Rak

    Published 2019-01-01
    “…The clams sampled from three different rivers (Mekong, Pa Sak, and Lopburi) from Thailand were analyzed for the presence of heavy metals (Zn, Cu, Cd, Cr, Mn, and Pb) with an air-acetylene flame atomic absorption spectrophotometer (AAS). Among the heavy metals studied, Zn was recorded as having the highest concentration (127.33-163.65 μg/g) among the three rivers. …”
    Get full text
    Article
  5. 1965

    Geometric Simulation Approach for Grading and Assessing the Thermostability of CALBs by B. Senthilkumar, D. Meshachpaul, R. Rajasekaran

    Published 2016-01-01
    “…Finally, computational docking analysis showed an increase in the binding affinity of CALB and its substrate (triglyceride) in mutant CALB with Atomic Contact Energy (ACE) of −91.23 kcal/mol compared to native CALB (ACE of −70.3 kcal/mol). …”
    Get full text
    Article
  6. 1966

    In Vitro Investigation of Novel Peptide Hydrogels for Enamel Remineralization by Codruta Sarosi, Alexandrina Muntean, Stanca Cuc, Ioan Petean, Sonia Balint, Marioara Moldovan, Aurel George Mohan

    Published 2024-12-01
    “…This study investigates the microstructure of dental enamel following demineralization and re-mineralization processes, using DIAGNOdent scores and images obtained via scanning electron microscopy (SEM), atomic force microscopy (AFM), and microhardness (Vickers). …”
    Get full text
    Article
  7. 1967

    The Synthesis, Characterization and Biological Activity of Some Metal Ions Complexes with Schiff’s Bases Derived from Reaction of 3-Hydrazone-1,3- Dihydro-Indole-2-One with 2- Pyri... by safa sami Muwafaq, Naser Shaalan

    Published 2025-01-01
    “…Chloride-containing, atomic absorption, molar conductance, and magnetic susceptibility have all been used to identify these compounds. …”
    Get full text
    Article
  8. 1968
  9. 1969

    Decomposition of the Methylene Blue Dye Using Layered Manganese Oxide Materials Synthesized by Solid State Reactions by M. E. Becerra, A. M. Suarez, N. P. Arias, O. Giraldo

    Published 2018-01-01
    “…The materials were characterized by atomic absorption, average oxidation states of manganese, X-ray diffraction, thermogravimetric analysis, and scanning electron microscopy. …”
    Get full text
    Article
  10. 1970

    The Synergistic Effect of Nitrogen Dopant and Calcination Temperature on the Visible-Light-Induced Photoactivity of N-Doped TiO2 by Yao-Tung Lin, Chih-Huang Weng, Hui-Jan Hsu, Yu-Hao Lin, Ching-Chang Shiesh

    Published 2013-01-01
    “…The results showed nitrogen atoms were incorporated into the interstitial positions of the TiO2 lattice. …”
    Get full text
    Article
  11. 1971

    Pseudomonas aeruginosa Biofilm Removal from Two Kinds of Granite Commonly Found in Catering Kitchen by Khaddouj Amzil, Fatima Hamadi, Hassan Latrache, Rachida Mimouni, Hicham Abou Oualid, Khadija Azelmad, Aissa Saidi, Abdallah Elboulani, Mustapha Mabrouki

    Published 2020-01-01
    “…In addition, the surface properties of granites such as mineral composition, roughness, and physicochemical properties were determined by X-ray diffraction (XRD), scanning electron microscopy coupled with electron diffraction spectroscopy coupled with energy-dispersive X-ray spectroscopy (SEM-EDS), Fourier transform infrared (FTIR), atomic force microscopy (AFM), and contact angle measurement (CAM), respectively. …”
    Get full text
    Article
  12. 1972

    Tailoring graphite fiber addition to improve high-temperature wear resistance graphite fiber/ Fe composite by Boer Cao, Qinyuan Huang, Yuhao Wu, Hongli Cao, Shangyang Zou, Quan Shan

    Published 2025-03-01
    “…The addition of Gf facilitated the bonding of carbon atoms with alloying elements like Cr, leading to carbide precipitation and a second-phase strengthening effect. …”
    Get full text
    Article
  13. 1973

    Global uranium market dynamics: analysis and future implications by Sa’d Shannak, Logan Cochrane, Daria Bobarykina

    Published 2025-12-01
    “…The study also highlights the International Atomic Energy Agency’s outlook, emphasizing that primary mining will remain the dominant source of uranium, despite contributions from secondary sources. …”
    Get full text
    Article
  14. 1974

    Effect of Ozone Combined with 1-MCP on the Color and Quality of Nectarines during Postharvest Storage by Chen LIU, Yibin ZHANG, Xiaoyu JIA, Zhiyong ZHAO

    Published 2025-02-01
    “…In order to investigate the effect of ozone regulation on the color and quality changes of nectarine treated with 1-methylcyclopropylene (1-MCP) during cold storage, nectarine test materials were fumigated with 1 μL/L 1-MCP for 24 h after postharvest, combined with ozone water atomization and ozone gas fumigation for 30 min, then packaged and stored at 0±0.5 ℃. …”
    Get full text
    Article
  15. 1975

    Peroxidase-like activity of citrate-functionalized magnetite nanoparticles augmented its antibacterial potency by Haitham Al-Madhagi, Abd Alraouf Tarabishi, Fatima Al-Zahra Hamsho, Zaher Tahan, Lama Alchab, Wassim Abdelwahed

    Published 2025-01-01
    “…The nanoparticles were prepared using coprecipitation method and characterized using UV–visible spectrophotometry, Fourier-transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), zeta potential, magnetism and atomic force microscopy (AFM). The catalytic activity was assessed by its ability to oxidize pyrogallol. …”
    Get full text
    Article
  16. 1976

    Removal of Some Heavy Metal Cations from Aqueous Solution by Adsorption onto Natural Kaolin by H. Ceylan, T. Şahan, R. Gürkan, Ş. Kubilay

    Published 2005-09-01
    “…The percentage adsorption and equilibrium concentrations were determined by means of atomic absorption flame photometry as a function of adsorbate concentration, pH and temperature. …”
    Get full text
    Article
  17. 1977

    Diffusion-driven transient hydrogenation in metal superhydrides at extreme conditions by Yishan Zhou, Yunhua Fu, Meng Yang, Israel Osmond, Rajesh Jana, Takeshi Nakagawa, Owen Moulding, Jonathan Buhot, Sven Friedemann, Dominique Laniel, Thomas Meier

    Published 2025-01-01
    “…While numerous novel metal hydride compounds have been reported and extensively investigated for their superconducting properties, little attention has been focused on the atomic and electronic states of hydrogen, the main ingredient in these novel compounds. …”
    Get full text
    Article
  18. 1978

    Structural basis for RNA-guided DNA degradation by Cas5-HNH/Cascade complex by Yanan Liu, Lin Wang, Qian Zhang, Pengyu Fu, Lingling Zhang, Ying Yu, Heng Zhang, Hongtao Zhu

    Published 2025-02-01
    “…Here, we present several near-atomic cryo-electron microscopy (cryo-EM) structures of the Candidatus Cloacimonetes bacterium Cas5-HNH/Cascade complex, both in its DNA-bound and unbound states. …”
    Get full text
    Article
  19. 1979

    Heavy Metal Contamination of Foods by Refuse Dump Sites in Awka, Southeastern Nigeria by J. K. C. Nduka, O. E. Orisakwe, L. O. Ezenweke, M. N. Chendo, T. E. Ezenwa

    Published 2008-01-01
    “…The heavy metals (lead, manganese, arsenic, chromium, cadmium, and nickel) in vegetables (spinach, fluted pumpkin), root crop (cocoyam), and surface and ground water were determined using an atomic absorption spectrophotometer (AAS). Chemical properties of the soil and bacteria were determined. …”
    Get full text
    Article
  20. 1980

    In Situ Synthesis of MOF/Thermoresponsive Hydrogel Composite-Based Adsorbents for Water Treatment by Faezeh Mousavi-Torkamani, Massomeh Ghorbanloo, Mitra Saffari, Nastaran Maddahzadeh

    Published 2024-06-01
    “…To determine the amounts of Zn metals in the prepared compound, atomic absorption spectroscopy (AAS) was used. The prepared composites were used to adsorb Methylene Blue from aqueous solutions. …”
    Get full text
    Article