Showing 161 - 180 results of 544 for search '"Ultraviolet"', query time: 0.05s Refine Results
  1. 161

    Optical and Structural Properties of Thermally Evaporated Zinc Oxide Thin Films on Polyethylene Terephthalate Substrates by M. G. Faraj, K. Ibrahim

    Published 2011-01-01
    “…The optical properties of ZnO on PET substrates were determined through the optical transmission method using an ultraviolet-visible spectrophotometer. The optical band gap values of ZnO thin films slightly decreased as the film thickness increased.…”
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  2. 162

    Kinetic Studies of Reduction of Tris-(1,1,1,5,5,5-hexafluoroacetylacetonato) ruthenium(III) in Methanol, Ethanol and Propanol by Ezekiel Dixon Dikio

    Published 2011-01-01
    “…The complex tris-(1,1,1,5,5,5-hexafluoroacetylacetonato-) ruthenium(III), hereafter referred to as Ru(hfacac)3, has been synthesized. Ultraviolet and visible spectroscopic measurements of the complex in ethanol revealed three prominent absorption bands at 287, 374 and 525 nm with molar absorptivity coefficients of 4.113, 3.885 and 3.59 respectively. …”
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  3. 163

    Photodegradation of Sulfadiazine in Aqueous Solution and the Affecting Factors by Xuesen Bian, Jibing Zhang

    Published 2016-01-01
    “…In this study, photodegradation of sulfadiazine in water by ultraviolet (UV) light was studied using a 300 W, 365 nm UV lamp. …”
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  4. 164

    Study on the Fluorescence Spectra Characteristics of Vinegar-Water Solutions by Dan Li, Xuan Wang, Caiqin Han

    Published 2016-01-01
    “…Vinegar-water solutions are excited by ultraviolet (UV) light at 380 nm. The characteristic fluorescence peaks of the solution were identified at 445 nm and 470 nm. …”
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  5. 165

    Paclitaxel Release from Polyether-Anhydrides Prepared with UV-Curing Process by Anxin Dong, Tao Zhang

    Published 2013-01-01
    “…In order to develop a simple, economical, and rapid approach to synthesize polyanhydrides, we prepared a series of polyether-anhydride membranes composed of different mass fractions of sebacic acid, polyethylene glycol dimethacrylate, and poly(tetramethylene oxide) dimethacrylate by ultraviolet curing process. The chemical structure and thermal properties of target polyanhydrides were characterized, while the paclitaxel releases from the polymer matrix were evaluated by HPLC. …”
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  6. 166

    Unveiling new phases of the Standard Model Higgs potential by Florian Goertz, Álvaro Pastor-Gutiérrez

    Published 2025-01-01
    “…While the first aggravates the well-known metastable phase and threatens the viability of the Standard Model extrapolated to arbitrary scales, the latter can provide a well-defined ultraviolet completion. We investigate the phase diagram as a function of the top quark pole mass and study the effect of new physics through a scalar singlet portal coupling. …”
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  7. 167

    A Lower Bound on the Critical Momentum of an Impurity in a Bose–Einstein Condensate by Hinrichs, Benjamin, Lampart, Jonas

    Published 2024-11-01
    “…We do not assume any infrared or ultraviolet regularization of the model, which contains massless excitations and point-like interactions.…”
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  8. 168

    Phototherapy in vitiligo by Anuradha Bishnoi, Iltefat Hamzavi

    Published 2024-12-01
    “…This review explores the efficacy, mechanisms, and clinical applications of various phototherapy modalities in treating vitiligo. Narrowband ultraviolet B therapy is highlighted as the most effective and widely used phototherapeutic option, promoting melanocyte proliferation and migration. …”
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  9. 169

    Extraction of Saponin from Camellia oleifera Abel Cake by a Combination Method of Alkali Solution and Acid Isolation by Yongjun Liu, Zhifeng Li, Hongbo Xu, Yuanyuan Han

    Published 2016-01-01
    “…A quantitative method for saponin was established by ultraviolet spectrophotometer. The influence of extraction factors was investigated by a single-factor test and a response surface methodology. …”
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  10. 170

    Acral Melanoma: A Review of Its Pathogenesis, Progression, and Management by Soo Hyun Kim, Hensin Tsao

    Published 2025-01-01
    “…Acral melanoma is a distinct subtype of cutaneous malignant melanoma that uniquely occurs on ultraviolet (UV)-shielded, glabrous skin of the palms, soles, and nail beds. …”
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  11. 171

    Photodegradation of Chloridazon Using Coreshell Magnetic Nanocompsites by Dina Mamdouh Fouad, Mona Bakr Mohamed

    Published 2011-01-01
    “…Analysis of the degradation of 20 ppm chloridazon under ultraviolet (UV) and visible light was analyzed with high-performance liquid chromatography (HPLC) and UV-Visible Spectra. …”
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  12. 172

    Low Density Solvent-Based Dispersive Liquid-Liquid Microextraction for the Determination of Synthetic Antioxidants in Beverages by High-Performance Liquid Chromatography by Hasan Çabuk, Mustafa Köktürk

    Published 2013-01-01
    “…A simple and efficient method was established for the determination of synthetic antioxidants in beverages by using dispersive liquid-liquid microextraction combined with high-performance liquid chromatography with ultraviolet detection. Butylated hydroxy toluene, butylated hydroxy anisole, and tert-butylhydroquinone were the antioxidants evaluated. …”
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  13. 173

    Development and Validation of a High-Performance Liquid Chromatographic Method for the Determination of Cinitapride in Human Plasma by Boovizhikannan Thangabalan, Getu Kahsay, Tadele Eticha

    Published 2018-01-01
    “…A precise and reliable reversed-phase high-performance liquid chromatographic method with ultraviolet detection was developed and validated to determine cinitapride in human plasma. …”
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  14. 174

    Photodegradation of Rhodamine B in Presence of CaO and NiO-CaO Catalysts by Tobias Kornprobst, Johann Plank

    Published 2012-01-01
    “…Both catalysts degraded rhodamine B (RB) effectively when exposed to ultraviolet light but exhibited slower degradation under visible light conditions. …”
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  15. 175

    Color Dependence on Thickness in Topaz Crystal from Brazil by Waldemar Bonventi Jr, Sadao Isotani, Antonio Roberto Pereira Albuquerque

    Published 2012-01-01
    “…The parameters of these lines were determined through the decomposition of the optical absorption spectra in the ultraviolet and visible regions. The decomposition revealed several lines, whose assignment was made considering studies in spodumene and beryl crystals and highly accurate quantum mechanical calculations. …”
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  16. 176

    Photophysical characterization of chosen Ln(III) macromolecular complexes by Krzysztof Staninski, Stefan Lis

    Published 2005-01-01
    “…It was found that the excitation and fluorescence spectra of DHDA in water and methanol after being exposed to ultraviolet radiation, show very obvious photochromism. …”
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  17. 177

    Improvement of Aspergillus niger for Sodium Gluconate Synthesis by UV Mutation Method by Rajagopalan Prabu, Thomas Chand, Sunhare Raksha

    Published 2012-01-01
    “…A. niger was mutated with Ultraviolet (UV) radiation and the alteration of cell bound enzymes activity of gluconic acid synthesis pathway and sodium gluconate synthesis were evaluated. …”
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  18. 178

    UV-Excited Fluorescence on Riparian Insects except Hymenoptera Is Associated with Nitrogen Content by William D. Wiesenborn

    Published 2011-01-01
    “…I photographed ultraviolet-excited fluorescence of external resilin on insects in 7 orders, 17 families, and 18 genera collected from shrubs and trees alongside the Colorado River in western Arizona, USA. …”
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  19. 179

    Characterization of Blue Tourmaline from Madagascar for Exploring Its Color Origin by Ming Li

    Published 2022-01-01
    “…In the research, spectroscopic studies of tourmaline for color origin were performed by X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, and X-ray photoelectron spectroscopy. …”
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  20. 180

    Evaluation of mineral and near-infrared forecasting of wheat yield varieties using spectrophotometric techniques by H.A. Pardhe, N. Krishnaveni, B.K. Chekraverthy, S. Patel, S. Naveen, V. Rashmi, P.C. Govinden

    Published 2024-01-01
    “…Iron concentration ranged from (0.7 to 6.3 milligrams/100 grams) in ultraviolet-visible analysis, (0.7 to 6.74 milligrams/100 grams) in atomic absorption spectrometry, and (0.81 to 6.8 milligrams/100 grams) in inductive coupled plasma-mass spectroscopy. …”
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