Showing 361 - 380 results of 733 for search '"Ultraviolet"', query time: 0.05s Refine Results
  1. 361

    Synthesis of Zinc Oxide Nanoparticles Using Leaf Extract of Lippia adoensis (Koseret) and Evaluation of Its Antibacterial Activity by Meron Girma Demissie, Fedlu Kedir Sabir, Gemechu Deressa Edossa, Bedasa Abdisa Gonfa

    Published 2020-01-01
    “…The biosynthesized zinc oxide nanoparticles were characterized using thermogravimetric analysis, X-ray diffraction, scanning electron microscopy-energy dispersive spectroscopy, transmission electron microscopy, ultraviolet-visible spectroscopy, and Fourier transform infrared spectroscopy. …”
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    Article
  2. 362

    Determination of Ketorolac in the Effluent from a Hospital Treating Plant and Kinetics Study of Its Photolytic Degradation by Hector Hugo Ortega Soto, Jorge Javier Ramírez García, Paula Gamboa Suárez, Angie Michelle Dávila Estrada

    Published 2017-01-01
    “…Samples were in direct contact with ultraviolet light in a dark chamber, equipped with two mercury lamps (254 nm) at a radiation source of 15 W. …”
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  3. 363

    Characterization of Enterobacter phage vB_EcRAM-01, a new Pseudotevenvirus against Enterobacter cloacae, isolated in an urban river in Panama. by Ednner E Victoria-Blanco, Jean Pierre González-Gómez, Juan Raúl Medina-Sánchez, Alexander A Martínez, Nohelia Castro Del Campo, Cristóbal Chaidez-Quiroz, Jordi Querol-Audi, Alex Omar Martínez-Torres

    Published 2024-01-01
    “…Further analyses concluded that this phage is stable at temperatures between 25°C and 50°C, it remains infective in a pH range between 7 to 11, with high sensitivity to Ultraviolet light. Remarkedly, it exhibits a narrow host specificity only infecting E. cloacae. …”
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  4. 364

    Assessment of Halonitromethanes Formation Potentials Under Different Disinfection Scenarios in Low SUVA Water by Sehnaz Sule Kaplan-Bekaroglu, Sebnem Genisoglu, Cihan Ozgur

    Published 2022-07-01
    “…Halonitromethanes formation potentials tests were investigated under five different disinfection conditions in Egirdir Lake with low specific ultraviolet absorbance (SUVA) value. The results showed that ozone/chlorine formed the highest halonitromethanes followed by in the order of ozone/chloramine and chlorine only. …”
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  5. 365

    Probabilistic Prediction of Dst Storms One‐Day‐Ahead Using Full‐Disk SoHO Images by A. Hu, C. Shneider, A. Tiwari, E. Camporeale

    Published 2022-08-01
    “…The model is developed using an ensemble of Convolutional Neural Networks that are trained using Solar and Heliospheric Observatory (SoHO) images (Michelson Doppler Imager, Extreme ultraviolet Imaging Telescope, and Large Angle and Spectrometric Coronagraph). …”
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  6. 366

    Synthesis of Propylene Carbonate from Epoxide and CO2 Catalyzed by Carbon Nanotubes Supported Fe1.5PMo12O40 by Tahani Al-Garni, Nada Al-Jallal, Ahmed Aouissi

    Published 2017-01-01
    “…The characterization of the resulting catalysts was investigated by inductively coupled plasma spectrometry (ICP), Fourier transform infrared (FTIR) spectra, X-ray diffraction (XRD), ultraviolet-visible (UV-Vis) light spectroscopy, and transmission electron microscopy (TEM). …”
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    Article
  7. 367

    UV Dose Governs UV-Polymerized Polyacrylamide Hydrogel Modulus by Saahil Sheth, Era Jain, Amin Karadaghy, Sana Syed, Hunter Stevenson, Silviya P. Zustiak

    Published 2017-01-01
    “…Alternatively, PAA gels could be made by free radical polymerization (FRP) using ultraviolet (UV) photopolymerization, a method which is quicker, less tedious, and less toxic. …”
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    Article
  8. 368

    Impact of Vitamin D on Skin Aging, and Age-Related Dermatological Conditions by Sankalya S. Ambagaspitiya, Gayan A. Appuhamillage, Sunil J. Wimalawansa

    Published 2025-01-01
    “…In contrast, extrinsic factors associated with advanced age, primarily caused by exposure to ultraviolet (UV) radiation, lead to coarse wrinkles, solar elastosis, hyperkeratosis, irregular pigmentation, and skin cancers. …”
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    Article
  9. 369

    Thermodynamics of Steel Corrosion in Acid Media Containing Organophosphorus Derivatives by E. Khamis, M.N. Moussa, E.S.H. El-Ashry, M. Ibrahim, A.K. Ibrahim

    Published 1996-06-01
    “…Structure–protection correlations for seven organophosphorus compounds have been studied over the temperature range 25–50°C using potentiodynamic polarization and gasometry techniques. Ultraviolet absorption spectra show that the inhibitors are stable in 1 M and 5 M H 2 SO 4 solutions at 50°C. …”
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  10. 370

    Curcumin Is an Iconic Ligand for Detecting Environmental Pollutants by T. Devasena, N. Balasubramanian, Natarajan Muninathan, Kuppusamy Baskaran, Shani T. John

    Published 2022-01-01
    “…Due to keto-enol tautomerism, it is capable of giving sensitive signals such as fluorescence, luminescence, ultraviolet absorption shifts, and electrochemical data. …”
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  11. 371

    Building up Graphene-Based Conductive Polymer Composite Thin Films Using Reduced Graphene Oxide Prepared by γ-Ray Irradiation by Siyuan Xie, Bowu Zhang, Chunlei Wang, Ziqiang Wang, Linfan Li, Jingye Li

    Published 2013-01-01
    “…The electrical and optical properties of the obtained composite films were tested, showing good electrical conductivity with visible transmittance but strong ultraviolet absorbance.…”
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  12. 372

    Preparation and Characterization of Visible-Light-Activated Fe-N Co-Doped TiO2 and Its Photocatalytic Inactivation Effect on Leukemia Tumors by Kangqiang Huang, Li Chen, Jianwen Xiong, Meixiang Liao

    Published 2012-01-01
    “…The Fe-N co-doped TiO2 nanocomposites were synthesized by a sol-gel method and characterized by scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray diffraction (XRD), ultraviolet-visible absorption spectroscopy (UV-vis) and X-ray photoelectron spectroscopy (XPS). …”
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  13. 373

    Experimental Characterization, Computational Investigation, and Structure-propertyeactivity Relationship Studies of Nickel Ferrite Nanostructures by Ali Ben Ahmed

    Published 2024-10-01
    “…UV-visible spectroscopy measures the absorbance of ultraviolet or visible light by a material, which can give insight into its electronic structure, band gap, and optical properties. …”
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  14. 374

    Heterogeneous UV/Fenton-Like Degradation of Methyl Orange Using Iron Terephthalate MIL-53 Catalyst by Pham Dinh Du, Huynh Thanh Danh, Pham Ngoc Hoai, Nguyen Mau Thanh, Vo Thang Nguyen, Dinh Quang Khieu

    Published 2020-01-01
    “…The synthesis and degradation of methyl orange (MO) in an ultraviolet-assisted heterogeneous Fenton-like process via the iron terephthalate (MIL-53) catalyst are demonstrated. …”
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  15. 375

    Photocatalytic Degradation of 2,4-Dichlorophenol by TiO2 Intercalated Talc Nanocomposite by Manqing Ai, Wenli Qin, Tian Xia, Ying Ye, Xuegang Chen, Pingping Zhang

    Published 2019-01-01
    “…As the strong adsorption ability of talc can intensify the power of photon absorption and capture-recombination carriers, more than 99.5% of 2,4-dichlorophenol can be degraded in 1 h by the nanocomposite under an ultraviolet lamp in neutral solution and room temperature after reaching adsorption equilibrium, and the result of adsorbance is in accord with the first-order kinetic. …”
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  16. 376
  17. 377

    A Diversified Spectrometric and Molecular Docking Technique to Biophysical Study of Interaction between Bovine Serum Albumin and Sodium Salt of Risedronic Acid, a Bisphosphonate fo... by M. Manjushree, Hosakere D. Revanasiddappa

    Published 2018-01-01
    “…The binding interaction between bovine serum albumin (BSA) and sodium salt of risedronic acid (RSN) was studied by using the FT-IR (Fourier transform infrared), UV-Vis (ultraviolet–visible), fluorescence (emission and synchronous), CD (circular dichroism) spectrometric, and computational (molecular docking) techniques at 289, 297, and 305 K temperatures with physiological buffer of pH 7.40. …”
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  18. 378

    Development of a high-throughput screening system for identification of novel reagents regulating DNA damage in human dermal fibroblasts by Bae Seunghee, An In-Sook, An Sungkwan

    Published 2015-09-01
    “…Ultraviolet (UV) radiation is a major inducer of skin aging and accumulated exposure to UV radiation increases DNA damage in skin cells, including dermal fibroblasts. …”
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  19. 379

    Antioxidant Activity and Isolation of Luteoline from Centaurea behen L. Grown in Iran by Akbar Esmaeili, Zahra Mousavi, Maryam Shokrollahi, Ali Shafaghat

    Published 2013-01-01
    “…Flavonoids are secondary metabolites providing Ultraviolet-visible (UV) spectroscopy protection and color in almost all terrestrial plants and fruits. …”
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  20. 380

    Development of detection system for lead ions in mixture solutions using UV-Vis measurements with peptide immobilized microbeads by Shuhei Yoshida, Koki Yoshida, Yoshio Hamada, Takaaki Tsuruoka, Kenji Usui

    Published 2025-01-01
    “…Here, we established a system to easily detect Pb2+ from such mixture solutions using Pb2+ binding peptide immobilized beads (peptidyl beads) and ultraviolet (UV) absorption measurements. This method could detect Pb2+ at low concentrations equivalent to inductively coupled plasmon-atomic emission spectroscopy (ICP-AES). …”
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