Showing 601 - 620 results of 733 for search '"Ultraviolet"', query time: 0.05s Refine Results
  1. 601

    Intravascular Residence Time Determination for the Cyanide Antidote Dimethyl Trisulfide in Rat by Using Liquid-Liquid Extraction Coupled with High Performance Liquid Chromatography by Deepthika De Silva, Steven Lee, Anna Duke, Siva Angalakurthi, Ching-En Chou, Afshin Ebrahimpour, David E. Thompson, Ilona Petrikovics

    Published 2016-01-01
    “…These studies represent the first report on the intravascular residence time determinations for the cyanide antidote dimethyl trisulfide (DMTS) in a rat model by using high performance liquid chromatography coupled with ultraviolet absorption spectroscopy (HPLC-UV). The newly developed sample preparation included liquid-liquid extraction by cyclohexanone. …”
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  2. 602

    X-Ray/Radio Quasiperiodic Pulsations Associated with Plasmoids in Solar Flare Current Sheets by Pankaj Kumar, Judith T. Karpen, Joel T. Dahlin

    Published 2025-01-01
    “…Direct imaging of flare current sheets and the formation/ejection of multiple plasmoids in extreme-ultraviolet images, along with simultaneous X-ray and radio observations, offers significant insights into the mechanisms driving particle acceleration in solar flares. …”
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    Article
  3. 603

    Solid Sr2Ti1-xMnxO4 (x = 0; 0,01; 0,025; 0,05; 0,1) solutions with K2NiF4 structure by T.I. Chupakhina, A.M. Uporova, O.I. Gyrdashova, L.Yu. Buldakova, Y.A. Deeva, I.V. Baklanova, M.Yu. Yanchenko

    Published 2024-12-01
    “…The catalytic properties Sr2Ti1-xMnxO4 were analyzed in the oxidation reaction of hydroquinone under irradiation of its aqueous solutions in the ultraviolet and visible spectral ranges. Under the described conditions, all photocatalysts showed a high rate of photooxidation. …”
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    Article
  4. 604

    A warpage-free Si3N4 slurry strategy for vat photopolymerization by Chi Huang, Liya Zheng, Zhilin Tian, Lei Shi, Bin Li

    Published 2025-01-01
    “…However, the difficulty in solidifying the slurry due to partial ultraviolet (UV) light absorption and the high refractive index of Si3N4 particles during the VPP process severely hinder the molding of Si3N4 ceramics. …”
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    Article
  5. 605

    Transplacental Transfer of Primaquine and Neurobehavioral Development of Prenatally Exposed Rats by Klaus M. Becker, Lorenna Rosa, Manoella S. B. Fernandes, Rosangela R. de Carvalho, Ana Cecilia X. De-Oliveira, Davyson L. Moreira, Francisco J. R. Paumgartten

    Published 2021-01-01
    “…PQ was analyzed by high-performance liquid chromatography with diode array ultraviolet detection. To evaluate effects of intrauterine exposure on postnatal development, dams were treated orally with PQ (20 mg.kg·bw−1·d−1) or water (controls) on GD 0–21. …”
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  6. 606

    Improvement in Analytical Methods for Determination of Sugars in Fermented Alcoholic Beverages by Ayalew Debebe, Shibru Temesgen, Mesfin Redi-Abshiro, Bhagwan Singh Chandravanshi, Estifanos Ele

    Published 2018-01-01
    “…The main objective of this study was to improve the performance of analytical methods for the determination of sugars in fermented alcoholic beverages based on mid-infrared-partial least squares (MIR-PLS), high-performance liquid chromatography with the ultraviolet detector (HPLC-UV), high-performance liquid chromatography with the refractive index detector (HPLC-RI), and sulfuric acid methods. …”
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    Article
  7. 607

    Antioxidant and Antibacterial Activities Evaluation, Phytochemical Characterisation of Rhizome from Angiopteris helferiana and Barks from Saurauia fasciculata in Nepal by Ram Kishor Yadav, Akriti Dhakal, Kalpana Timilsina, Priyanka Shrestha, Sandesh Poudel, Sindhu KC, Prabhat Kumar Jha, Rekha Bhandari, Khem Raj Joshi

    Published 2024-01-01
    “…The TPC, TFC, and TCC of extracts were determined by using an ultraviolet visible spectrophotometer. Among the extracts tested, A. helferiana extracts showed the highest phenolic and carbohydrate contents of 208.33 ± 12.96 mg of gallic acid equivalent/g and 564.16 ± 2.92 mg of D-glucose equivalent/g of dry extract, respectively. …”
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  8. 608

    A Simplified, Specific HPLC Method of Assaying Thiamine and Riboflavin in Mushrooms by Mohammad F. Hossain, Mamoon Rashid, Rajjit Sidhu, Randy Mullins, Susan L. Mayhew

    Published 2019-01-01
    “…The method employed for qualitative and quantitative analysis of these vitamins was Reversed Phase-High Performance Liquid Chromatography (RP-HPLC) equipped with Ultraviolet–Visible (UV-Vis) Detector. The extraction process involved acid hydrolysis followed by enzymatic dephosphorylation with takadiastase enzyme. …”
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    Article
  9. 609

    Recent Trends in the Development and Application of Nano-Antioxidants for Skin-Related Disease by Yi Xue, Tao Wang, Ji-Peng Liu, Qi Chen, Xiao-Long Dai, Min Su, Yu-Hang Cheng, Cheng-Chao Chu, Yun-Qing Ren

    Published 2024-12-01
    “…We categorize skin-related diseases into four main groups: skin inflammatory diseases, skin damage caused by ultraviolet rays, skin wound healing, and other skin-related conditions. …”
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  10. 610

    Construction of All Solid State Bi2MoO6/Bi2WO6@Ti3C2 MXene Heterostructure System and the Mechanism Study of the Z-scheme Photocatalysis by Dongfang Zhang, Junkun Liu, Qiang Liu, Jiaxun Wang, Yang Qu

    Published 2025-01-01
    “…The structure and properties of the as-prepared catalytic materials were analyzed by X‑ray powder diffraction (XRD), transmission electron microscope (TEM) and high-resolution TEM (HRTEM), ultraviolet‑visible diffuse reflection spectroscopy (UV‑Vis DRS), fluorescence spectroscopy (PL), X-ray photoelectron spectroscopy (XPS), N2 adsorption–desorption measurements and photoelectrochemical tests, which were performed to analyze the phase composition, microstructure, morphology, optical properties, and recombination rate of photogenerated charge of the as-prepared samples. …”
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  11. 611

    Image Digitization of Colorimetric Detection of Acephate Based on Its Complexation with Citrate-Capped Gold Nanoparticles by Mohd Junaedy Osman, Wan Md Zin Wan Yunus, Keat Khim Ong, Buong Woei Chieng, Noor Azilah Mohd Kassim, Siti Aminah Mohd Noor, Victor Feizal Knight, Jahwarhar Izuan Abd Rashid, Chin Chuang Teoh

    Published 2020-01-01
    “…The formation of the suspension was characterised using laser test, ultraviolet-visible spectrophotometer (UV-Vis), high-resolution transmission electron microscope (HRTEM), and Fourier Transform infrared spectroscope (FTIR). …”
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  12. 612

    A Transfer Learning Method to Generate Synthetic Synoptic Magnetograms by Xiaoyue Li, Valliappan Senthamizh Pavai, Daria Shukhobodskaia, Mark D. Butala, Luciano Rodriguez, Jasmina Magdalenic, Véronique Delouille

    Published 2024-01-01
    “…Magnetograms are currently available mostly from the front side of the Sun, which significantly reduces the accuracy of MHD modeling. Extreme Ultraviolet (EUV) images can instead be obtained from other vantage points. …”
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  13. 613

    Peptide Design for Enhanced Anti-Melanogenesis: Optimizing Molecular Weight, Polarity, and Cyclization by Putri SA, Maharani R, Maksum IP, Siahaan TJ

    Published 2025-01-01
    “…Selvi Apriliana Putri,1 Rani Maharani,1 Iman Permana Maksum,1 Teruna J Siahaan2 1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Bandung, 40173, Indonesia; 2Department of Pharmaceutical Chemistry, School of Pharmacy, The University of Kansas, Lawrence, KS, 66047, USACorrespondence: Iman Permana Maksum, Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Bandung, 40173, Indonesia, Email iman.permana@unpad.ac.idAbstract: Melanogenesis is a biochemical process that regulates skin pigmentation, which is crucial role in protecting against ultraviolet radiation. It is also associated with hyperpigmentation conditions such as melasma and age spots, which negatively impact aesthetics and self-confidence. …”
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  14. 614

    Use of Photoreactive Riboflavin and Blue Light Irradiation in Improving Dentin Bonding—Multifaceted Evaluation by Ping-Ju Chen, Jung-Pei Hsieh, Hsiao-Tzu Chang, Yuh-Ling Chen, Shu-Fen Chuang

    Published 2025-01-01
    “…This study aimed to evaluate whether RF activated by blue light (BL, 450 nm) strengthens the collagen matrix, increases resistance to enzymatic degradation, and improves adhesion as effectively as ultraviolet A (UVA, 375 nm) activation. Six groups were examined: control (no treatment); RF0.1UV2 (0.1% RF with 2 min of UVA irradiation); RF0.1BL1, RF0.1BL2, RF1BL1, and RF1BL2 (0.1% and 1% RF with 1 or 2 min of BL irradiation). …”
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  15. 615

    All-Optically Controlled Memristive Device Based on Cu2O/TiO2 Heterostructure Toward Neuromorphic Visual System by Jun Xie, Xuanyu Shan, Ningbo Zou, Ya Lin, Zhongqiang Wang, Ye Tao, Xiaoning Zhao, Haiyang Xu, Yichun Liu

    Published 2025-01-01
    “…Optical potentiation and depression behaviors have been implemented by utilizing visible (680 nm) and ultraviolet (350 nm) light. Furthermore, a 7 × 9 optoelectronic memristive array with satisfactory device variation and environment stability is constructed to emulate the image preprocessing function in biological retina. …”
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    Article
  16. 616

    OPTIMIZATION OF CONCENTRATION AND SOAKING TIME OF HARRIS HEMATOXYLIN IN DNA BAND EXAMINATION USING ELECTROPHORESIS by Siti Nuristiqomah Fajri, Asep Iin Nur Indra, Fusvita Merdekawati, Acep Tantan H.

    Published 2024-07-01
    “…Background: Deoxyribonucleic acid (DNA) molecules can be effectively visualized when stained and observed under ultraviolet light during the electrophoresis process. …”
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  17. 617

    Tracing the Winds: A Uniform Interpretation of Helium Escape in Exoplanets from Archival Spectroscopic Observations by Patrick McCreery, Leonardo A. Dos Santos, Néstor Espinoza, Romain Allart, James Kirk

    Published 2025-01-01
    “…Both theoretical and observational studies have aimed to determine how efficiently exoplanets convert their host star's X-ray and ultraviolet (XUV) radiation into atmospheric mass loss. …”
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  18. 618

    Euphorbia serpens extracts mediated synthesis of copper oxide nanoparticles and their biological applications by Sana Idrees, Banzeer Ahsan Abbasi, Javed Iqbal, Mohsin Kazi

    Published 2025-01-01
    “…The orchestrated nanoparticles were validated using several analytical techniques; Ultraviolet–Visible spectroscopy, XRD, SEM, FT-IR (Fourier‐transform infrared), EDS, FT-IR and DLS (Dynamic light scattering). …”
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  19. 619

    The Interplay of Surface Composition, Mineralogy, and Physical Conditions That Affect the Surface Release Processes and Particle Environment of Mercury by Peter Wurz, Noah Jäggi, André Galli, Audrey Vorburger, Deborah Domingue, Paul S. Szabo, Johannes Benkhoff, Océane Barraud, Daniel Wolf Savin

    Published 2025-01-01
    “…In situ composition measurements of the exosphere can contribute to the study of the composition of the surface, together with a range of remote sensing techniques (ultraviolet, visible, infrared, X-ray, gamma-ray, and neutron spectroscopy). …”
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  20. 620

    Multi-stage harmonic cascade at seeded free-electron lasers by Li Zeng, Yong Yu, Xiaofan Wang, Qinming Li, Jitao Sun, Xinmeng Li, Zhigang He, Jiayue Yang, Guorong Wu, Weiqing Zhang, Xueming Yang

    Published 2024-01-01
    “…Without any additional modifications to the HGHG configuration, simulation results demonstrate the generation of intense 3 nm coherent FEL radiation using an external ultraviolet seed laser. This indicates an increase of the harmonic conversion number to approximately 90. …”
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