Showing 181 - 200 results of 1,014 for search '"ultraviolet–visible spectroscopy"', query time: 0.16s Refine Results
  1. 181

    Synthesis, characterization and theoretical investigations of new uranium (VI) and thorium (IV) complexes with 1-furfurylaldehyde-derived Schiff bases as ligands by Doina Humelnicu, A. Pui, Corina Malutan, Th. Malutan, I. Humelnicu

    Published 2020-06-01
    “…All coordination compounds were characterized by elemental analysis, ultraviolet–visible spectroscopy, Fourier transform infrared spectroscopy, fluorescence spectroscopy, and thermal analysis. …”
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    Article
  2. 182

    Preparation, characterization, and in vitro diffusion study of nonwoven electrospun nanofiber of curcumin-loaded cellulose acetate phthalate polymer by Rramaswamy Ravikumar, Mani Ganesh, Udumansha Ubaidulla, Eun Young Choi, Hyun Tae Jang

    Published 2017-09-01
    “…The prepared CUR-loaded NFs were characterized using scanning electron microscopy, X-ray diffraction, ultraviolet–visible spectroscopy, thermogravimetric analysis (TGA), and in vitro diffusion studies. …”
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    Article
  3. 183

    Application of Silver Nanoparticles for the Spectrophotometric Determination of Cefdinir and Cefepime HCl in Pharmaceutical Preparations and Human Urine Samples by Walaa El-Alfy, Omnia Ahmed Ismaiel, Magda Youssef El-Mammli, Abdalla Shalaby

    Published 2019-12-01
    “…The formed nanoparticles were characterized by ultraviolet-visible spectroscopy and transmission electron microscopy. …”
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    Article
  4. 184

    Facile Synthesis of Highly Conductive Vanadium-Doped NiO Film for Transparent Conductive Oxide by Ashique Kotta, Hyung Kee Seo

    Published 2020-08-01
    “…%V:NiO nanoparticles were characterized by field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), X-ray diffractometry (XRD), Raman spectroscopy, ultraviolet–visible spectroscopy (UV–vis), and X-ray photoelectron spectroscopy (XPS). …”
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    Article
  5. 185

    Mesoporous silica microparticles gated with a bulky azo derivative for the controlled release of dyes/drugs in colon by Daniel Ferri, Pablo Gaviña, Margarita Parra, Ana M. Costero, Jamal El Haskouri, Pedro Amorós, Virginia Merino, Adrián H. Teruel, Félix Sancenón, Ramón Martínez-Máñez

    Published 2018-01-01
    “…Budesonide release from M-Bud in the presence of sodium dithionite was also assessed by ultraviolet-visible spectroscopy and high performance liquid chromatography measurements. …”
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    Article
  6. 186

    The Use of Copper Ions and Tannic Acid to Enhance the UV Protection of Cotton Fabrics by Yankun Yin, Zhiyu Huang, Pei Wang, Zongmin Zhu, Jing Xu, Shaohua Chen, Hua Wang

    Published 2022-09-01
    “…The structure and properties of TA-Cu and cotton fabrics finished with TA-Cu were characterized by Fourier-transform infrared spectroscopy, ultraviolet-visible spectroscopy, scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. …”
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    Article
  7. 187

    Genesis of the Body Color of Brazilian Gem-Quality Yellow-Green Opal by Huiyu Lv, Ying Guo

    Published 2023-02-01
    “…The chromaticity characterization and influencing factors of the body color of 28 yellow-green opals were studied through Fourier transform infrared spectrum (FTIR), energy-dispersive X-ray fluorescence spectroscopy (ED-XRF), ultraviolet-visible spectroscopy (UV-vis) and X-Rite SP62 spectrophotometer. …”
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  8. 188

    Synthesis of tolyl guanidine as copper corrosion inhibitor with a complementary study on electrochemical and in silico evaluation by Moaz M. Abdou, Mahmoud N. EL-Haddad

    Published 2022-09-01
    “…The corrosive solution containing the DTG inhibitor after immersion of the Cu specimen for 48 h, which promoted the formation of a complex between the Cu cation and DTG, was investigated via ultraviolet/visible spectroscopy. In addition, the formation of a DTG protective layer on the Cu surface was confirmed via scanning electron microscopy and atomic force microscopy analysis of the Cu surface morphology. …”
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    Article
  9. 189

    The Retention and Drainage Behavior of Cross-linked Gelatin with Glutaraldehyde in a Papermaking System by Yaohui You, Xubing Sun, Qiubing Cui, Bi Wang, Jing Ma

    Published 2016-05-01
    “…The structure of cross-linked gelatin was characterized according to the crosslinking degree, isoelectric point, Fourier transform infrared spectroscopy, and ultraviolet-visible spectroscopy. The results indicated that the crosslinking reaction was successfully performed between the primary amine group of gelatin and the aldehyde group of glutaraldehyde, resulting in the formation of a Schiff base structure. …”
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    Article
  10. 190

    Synthesis, characterization, and the influence of energy of irradiation on optical properties of ZnO nanostructures by Ghazouan Mahmood Abdelghani, Ali Ben Ahmed, Aseel Basim Al-Zubaidi

    Published 2022-11-01
    “…The NPs are characterized by means of X-ray diffraction, scanning and transmission electron microscopy techniques, atomic force microscopy, and ultraviolet–visible spectroscopy. The structural analysis shows that the particles have a polycrystalline hexagonal structure of the space group (P63mc). …”
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    Article
  11. 191

    Investigation of optical properties of sodium superoxide loaded polyaniline in uv and visible region by Rajesh Barde, Kailash Nemade, Sandeep Waghuley

    Published 2022-12-01
    “…The NaO2 was prepared in a single step by heating sodium nitrate in oxygen rich environment. Ultraviolet-visible spectroscopy was employed to extract optical parameters like direct band gap, refractive index, complex dielectric constant and optical conductivity. …”
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  12. 192

    Biosynthesis of silver nanoparticles using leaf extract of Decaschistia crotonifolia and its antibacterial, antioxidant, and catalytic applications by Sashikiran Palithya, Susmila Aparna Gaddam, Venkata Subbaiah Kotakadi, Josthna Penchalaneni, Varadarajulu Naidu Challagundla

    Published 2021-01-01
    “…The spectral characterization of the biosynthesized Dc-AgNPs was carried out by using different spectral methods viz., ultraviolet visible spectroscopy (UV-Vis) showed that Dc-AgNPs have surface plasmon resonance (SPR) peak at 437 nm. …”
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    Article
  13. 193

    The impact of trace metal cations and absorbed water on colour transition of turquoise by Xueding Wang, Ying Guo

    Published 2021-02-01
    “…Thirty-five gem-quality turquoise samples with various colours were investigated using energy-dispersive X-ray fluorescence spectroscopy, ultraviolet–visible spectroscopy, Fourier-transform infrared spectroscopy and scanning electron microscopy. …”
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    Article
  14. 194

    Green Synthesis Zinc Nanoparticles in the Treatment of Heavy Metals in the form of Complexes by Suzan Muslim Abdullah, Abbas Ali Salih AL-Hamdani, Farqad Abdullah Resheed

    Published 2023-07-01
    “… Myrtle plant was washed, dried, and powdered after harvesting to produce a fine powder that was used in water treatment. created an alcoholic extract from the myrtle plant using ethanol, which was then analyzed using GC-Mass, Fourier Transform Infrared spectroscopy, and ultraviolet-visible spectroscopy to identify the active components. …”
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  15. 195

    Nitrogen doped Graphene Nickel Ferrite Magnetic Photocatalyst for the Visible Light Degradation of Methylene Blue by Rajinder Singh, Jigmet Ladol, Heena Khajuria, Haq Nawaz Sheikh

    Published 2017-02-01
    “…The nanocomposite catalyst was characterized by Powder X-ray diffraction (PXRD), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), Ultraviolet–visible spectroscopy (UV-Vis) and Vibrating sample magnetometry (VSM). …”
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  16. 196

    Microwave-assisted green synthesis of silver nanoparticles using dried extracts of Chlorella vulgaris and antibacterial activity studies by Torabfam Milad, Yüce Meral

    Published 2020-05-01
    “…The energy required for this synthesis was supplied by microwave radiation. The ultraviolet-visible spectroscopy exhibited a single peak related to the surface plasmon absorbance of AgNPs at 431 nm. …”
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  17. 197

    Key Factors in Enhancing Pseudocapacitive Properties of PANI-InO<sub>x</sub> Hybrid Thin Films Prepared by Sequential Infiltration Synthesis by Jiwoong Ham, Hyeong-U Kim, Nari Jeon

    Published 2023-06-01
    “…In this study, we investigated the effects of the number of InO<sub>x</sub> SIS cycles on the chemical and electrochemical properties of PANI-InO<sub>x</sub> thin films via combined characterization using X-ray photoelectron spectroscopy, ultraviolet–visible spectroscopy, Raman spectroscopy, Fourier transform infrared spectroscopy, and cyclic voltammetry. …”
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    Article
  18. 198

    Synthesis, identification and application of the novel metal-organic framework Fe3O4@PAA@ZIF-8 for the drug delivery of ciprofloxacin and investigation of antibacterial activity by Maryam Esfahanian, Mohammad Ali Ghasemzadeh, Seyyed Mohammad Hossein Razavian

    Published 2019-12-01
    “…The structure of the nano carrier, as well as the encapsulation of the drug in the framework was confirmed by the Fourier-transform infrared spectroscopy (FT-IR), Ultraviolet–visible spectroscopy (UV–Vis), Energy-dispersive X-ray spectroscopy (EDX), X-ray crystallography (XRD), Scanning electron microscope (SEM) and Brunauer–Emmett–Teller (BET) analysis. …”
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    Article
  19. 199

    Applications of zeolite-zirconia-copper nanocomposites as a new asphaltene inhibitor for improving permeability reduction during CO2 flooding by Mohsen Mansouri, Yaser Ahmadi

    Published 2022-04-01
    “…Then, CO2-oil interfacial tension (IFT) tests, Ultraviolet–visible spectroscopy (UV–Vis) Langmuir and Freundlich isotherm models, asphaltene precipitation tests at static phase, and dynamic CO2 flooding tests were performed in the presence of NCs and the results were compared with zeolite nanoparticles. …”
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    Article
  20. 200

    Synthesis of silver nanoparticles with antibacterial activity using the lichen Parmotrema praesorediosum by Mie R, Samsudin MW, Din LB, Ahmad A, Ibrahim N, Adnan SNA

    Published 2013-12-01
    “…The physical appearance of these silver nanoparticles was characterized using ultraviolet-visible spectroscopy, electron microscopy, energy-dispersive spectroscopy, and X-ray diffraction techniques. …”
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    Article