Showing 301 - 320 results of 544 for search '"Ultraviolet"', query time: 0.05s Refine Results
  1. 301

    Occurrence and Risk Assessment of Tetracycline Residues in Layer Eggs in Haryana, India by Khushbu Bishnoi, Pallavi Moudgil, Deepak Soni, Vijay J. Jadhav

    Published 2025-02-01
    “…A total of 100 pooled egg samples were analyzed using High-Performance Liquid Chromatography with Ultraviolet detector for the detection of tetracycline group residues. …”
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  2. 302

    A Fast and Validated HPLC Method for the Simultaneous Analysis of Five 5-HT3 Receptor Antagonists via the Quantitative Analysis of Multicomponents by a Single Marker by Fuchao Chen, Baoxia Fang, Peng Li, Sicen Wang

    Published 2021-01-01
    “…The quantitative analysis of multicomponents by a single marker method was conducted with ondansetron as an internal reference substance and performed using relative retention time and ultraviolet spectral similarity as the double indicator. …”
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    Article
  3. 303

    Green Synthesis of Copper Nanoparticles from the Aqueous Extract of <i>Lonicera japonica</i> Thunb and Evaluation of Its Catalytic Property and Cytotoxicity and Antimicrobial Activ... by Weijie Yu, Jingyi Tang, Chunxia Gao, Xuesong Zheng, Peizhi Zhu

    Published 2025-01-01
    “…The catalytic activity and dye degradation efficiency of Cu NPs were evaluated using ultraviolet spectroscopy. To confirm that Cu NPs can continuously remove organic dyes, this study used Cu/Lj-C composite material adsorbed on cotton balls as a simulated bed to study the cyclic catalytic activity of Cu NPs for the reduction of methylene blue by sodium borohydride (NaBH<sub>4</sub>). …”
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  4. 304

    Resveratrol-derived carbon dots integrated into gelatin/chitosan multifunctional films for intelligent packaging by Tianxin Fu, Yuchao Feng, Shu Zhang, Yanan Sheng, Changyuan Wang

    Published 2025-01-01
    “…As well as excellent mechanical properties, the prepared films exhibited smooth surfaces, thermal stability, and good antioxidant, ultraviolet-shielding, antibacterial, and pH-responsive properties. …”
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    Article
  5. 305

    Weather Conditions (with Focus on UV Radiation) Associated with COVID-19 Outbreak and Worldwide Climate-based Prediction for Future Prevention by Lucian Sfîcă, Mihai Bulai, Vlad-Alexandru Amihăesei, Constantin Ion, Marius Ștefan

    Published 2020-07-01
    “…Our study explored these conditions, expressed by three main parameters—ultraviolet radiation, air temperature and relative humidity—that characterized Hubei (China), the source region of COVID-19 pandemic, in November 2019–March 2020. …”
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    Article
  6. 306

    Toxic Effect and Molecular Mechanism of Arsenolipids on Promoting Aging in Caenorhabditis elegans by YIN Huan, SONG Bingbing, LI Ziyu, WANG Zhuo, ZHAO Qiaoli, LI Rui, CHEN Jianping, ZHONG Saiyi

    Published 2024-12-01
    “…Moreover, the resistance to heat stress (P < 0.000 1) and ultraviolet stress (P < 0.05) was significantly reduced by AsHCs. …”
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    Article
  7. 307

    Theoretical study of the electronic and optical properties of a composite formed by the zeolite NaA and a magnetite cluster by Joel Antúnez-García, Roberto Núñez-González, Vitalii Petranovskii, H’Linh Hmok, Armando Reyes-Serrato, Fabian N. Murrieta-Rico, Mufei Xiao, Jonathan Zamora

    Published 2025-01-01
    “…It is noteworthy that the composite exhibits magnetic properties of a half-semiconductor and a strong optical response within the visible and ultraviolet regions of the spectrum.…”
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    Article
  8. 308

    Synthesis, characterization and evaluation biological activity of some 2-mercaptobinzemidazol complexes by Anfal Salam Al-Mahdawi, Noor Sabah Al-Obaidi, Amna Ali Ahmad, Tabarak Ali Jumaa, Zahraa Ali Abas, Haider Salah Mahdi

    Published 2025-01-01
    “…The synthesized complexes were characterize by measuring ultraviolet spectroscopy, the wave length (λ nm) (318, 333.4) of ligand (272, 296.2, 624.8), (254, 306), (257, 311) and (262, 314) of synthesized complexes respectively, then by infrared spectroscopy (FTIR) the results of the infrared spectroscopic examination showed the shifted in the absorption bands of (S-H) and (N-H) groups of the ligand as a result of coordination, molar conductivity, atomic absorption (AAS) spectroscopy and ratio of elements (CHNS) to determine the formulas of the complexes, the complexes shown a distorted octahedral crystal structure, and the molecular formula of the complexes was [M (C7H6N2S)2Cl2]. …”
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  9. 309

    Treatment of Wastewater from Thermal Desorption for Remediation of Oil-Contaminated Soil by the Combination of Multiple Processes by Feng Xiao, Jun Yin, Dongsheng Shen, Ting Chen, Li Lv

    Published 2022-01-01
    “…The FO was the key process for the efficient removal of contaminants. Ultraviolet-visible (UV/Vis), excitation-emission matrix (EEM), fluorescence spectroscopy, and gas chromatography-mass spectroscopy (GC-MS) showed that refractory macromolecular organic pollutants in water were removed, especially aromatics, phenols, and conjugated aldehydes or conjugated ketones, and further ring cleavage of benzene rings and carbocycles with carbon double bonds was observed. …”
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  10. 310

    An Analysis of Temperature-Dependent Timing Jitter Factors in the Structural Design of Complementary Metal-Oxide-Semiconductor Single-Photon Avalanche Detectors by Jau-Yang Wu, Yu-Wei Lu, Meng-Hsuan Liu, Tien-Ning Chang, Chun-Hsien Liu

    Published 2025-01-01
    “…Using picosecond lasers with wavelengths ranging from ultraviolet (405 nm) to near-infrared (905 nm), we investigate the impact of different diffusion carrier types on jitter values and their temperature dependence across a range of 0 °C to 60 °C. …”
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  11. 311

    Ecofriendly Synthesis of Silver Nanoparticles from Garden Rhubarb (Rheum rhabarbarum) by Palem Ramasubba Reddy, Shimoga D. Ganesh, Nabanita Saha, Oyunchimeg Zandraa, Petr Sáha

    Published 2016-01-01
    “…Bioreduction of silver ions following one pot process is described to achieve Rheum rhabarbarum (RR) based silver nanoparticles (SNPs) which is termed as “RR-SNPs.” The Ultraviolet–visible spectroscopy (UV–vis) confirms the characteristic surface plasmon resonance band for RR-SNPs in the range of 420–460 nm. …”
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  12. 312

    Optimizing photocatalytic degradation of methyl violet dye in a recirculating slurry-type reactor by F. Shokry, M. El-Gedawy, S.A. Nosier, M.H. Abdel-Aziz

    Published 2025-01-01
    “…This study examined the photocatalytic degradation of wastewater containing methyl violet dye in a recirculating slurry-type reactor using commercial TiO2 as the photocatalyst under ultraviolet irradiation. The effects of initial dye concentration (10 – 80 ppm), photocatalyst dosage (0.2 – 1 g/L), solution pH (2 – 11), and flow rate (2 – 4 L/min) on degradation efficiency were thoroughly assessed. …”
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  13. 313

    Possibilities for the Application of Low-Temperature Argon Plasma in the Treatment of Postoperative and Long-Term Non-Healing Wounds by S. A. Frolov, A. M. Kuzminov, D. V. Vyshegorodtsev, V. Yu. Korolik, N. V. Tuktagulov, M. A. Sukhina, I. A. Mukhin

    Published 2020-01-01
    “…Its therapeutic effect is achieved by means of the gas-dynamic effect, i.e. an argon flow with a high heat content and wide-spectrum recombination radiation — from the vacuum ultraviolet region to the near infrared range, as well as by means of the pronounced catalytic properties of gaseous argon, which is important for a number of biochemical reactions. …”
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  14. 314

    Mediators of Inflammation in Topical Therapy of Skin Cancers by Vlad Mihai Voiculescu, Cristina Victoria Lisievici, Mihai Lupu, Cristina Vajaitu, Carmen Cristina Draghici, Alexandra Victoria Popa, Iulia Solomon, Teona Ioana Sebe, Maria Magdalena Constantin, Constantin Caruntu

    Published 2019-01-01
    “…Taking into consideration that the immune system plays a very important role in the development of melanoma and non-melanoma skin cancers, which have a high prevalence in immunosuppressed patients and after prolonged ultraviolet radiation, the interest in developing novel therapies, in particular targeting the inflammation in cancer, has increased in the past years. …”
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  15. 315

    Characterization and Digital Restauration of XIV-XV Centuries Written Parchments by Means of Nondestructive Techniques: Three Case Studies by L. Pronti, M. Perino, M. Cursi, M. L. Santarelli, A. C. Felici, M. P. Bracciale

    Published 2018-01-01
    “…Furthermore, multispectral UV fluorescence imaging and multispectral VIS-NIR imaging proved to be a good approach for the digital restoration of manuscripts that suffer from the loss of inked areas or from the presence of brown spotting. Indeed, using ultraviolet radiation and collecting the images at different spectral ranges is possible to enhance the readability of the text, while by illuminating with visible light and by collecting the images at longer wavelengths, the hiding effect of brown spots can be attenuated.…”
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  16. 316

    Development of Green UV-Vis Method for Direct Determination of Total Sugars in the Aqueous Extract of Teff (Eragrostis tef (Zuccagni) Trotter) Grains and Other Cereals by Hagos Yisak, Hagos Tukue, Mesfin Redi-Abshiro, Bhagwan Singh Chandravanshi, Estifanos Ele Yaya

    Published 2022-01-01
    “…There is no ultraviolet visible (UV-Vis) spectrophotometric method for the direct determination of total sugars in the aqueous extract of teff grain samples. …”
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  17. 317

    Synthesis of Neutral SiO𝟐/TiO𝟐 Hydrosol and Its Application as Antireflective Self-Cleaning Thin Film by Chiahung Huang, Hsunling Bai, Yaoling Huang, Shuling Liu, Shaoi Yen, Yaohsuan Tseng

    Published 2012-01-01
    “…In addition to antireflection, the SiO2/TiO2 thin film decomposed the surface coated oleic acid under ultraviolet light and showed superhydrophilicity under dark for two days. …”
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  18. 318

    Symmergent Gravity, Seesawic New Physics, and Their Experimental Signatures by Durmuş Demir

    Published 2019-01-01
    “…The standard model of elementary particles (SM) suffers from various problems, such as power-law ultraviolet (UV) sensitivity, exclusion of general relativity (GR), and absence of a dark matter candidate. …”
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  19. 319

    Influence Applied Potential on the Formation of Self-Organized ZnO Nanorod Film and Its Photoelectrochemical Response by Nur Azimah Abd Samad, Chin Wei Lai, Sharifah Bee Abd Hamid

    Published 2016-01-01
    “…Therefore, it exhibited a high photocurrent density that reached 17.8 mA/cm2 under ultraviolet illumination and 12.94 mA/cm2 under visible illumination. …”
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  20. 320

    Characterization of Cobalt Sulfide Thin Films Synthesized from Acidic Chemical Baths by Tizazu Abza, Dereje Gelanu Dadi, Fekadu Gashaw Hone, Tesfaye Chebelew Meharu, Gebremeskel Tekle, Eyobe Belew Abebe, Kalid Seid Ahmed

    Published 2020-01-01
    “…The photoluminescence (PL) spectra of the films confirmed the emission of ultraviolet, violet, and blue lights. The intense PL emission of violet light at 384 nm had red shifted with increasing deposition time that could be resulted from the increase in the average crystallite size. …”
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