Showing 4,061 - 4,080 results of 4,095 for search '"spectroscopy"', query time: 0.07s Refine Results
  1. 4061

    Synthesis and Physicochemical Characterization of Chitin Derivatives by İlhan Uzun, Giray Topal

    Published 2013-01-01
    “…Then, chitin derivatives synthesized were characterized by FTIR, 1H NMR, 13C NMR, and U-Vis spectroscopies and scanning electron microscopy. Thermogravimetric analysis was performed to investigate the thermal stability of chitin derivatives. …”
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  2. 4062

    Effects of solar radiation on collagen-based biomaterials by Alina Sionkowska, Marcin Wisniewski, Joanna Skopinska, Diego Mantovani

    Published 2006-01-01
    “…The effect of solar radiation on collagen and collagen/synthetic polymer blends in the form of thin films and solutions has been studied by UV-VIS and FTIR spectroscopies. Films and solutions of collagen blended with poly(vinyl alcohol) (PVA) and poly(vinyl pyrrolidone) (PVP) were irradiated by solar light. …”
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  3. 4063

    Turning the Surface Electronic Effect Over Core‐Shell CoS2─FexCo1‐xS2 Nanooctahedra Toward Electrochemical Water Splitting in the Alkaline Medium by Lian‐Ming Lyu, Yu‐Chung Chang, Han‐Jung Li, Pei‐En Wang, Ruei‐Hung Juang, Ming‐Yen Lu, Cheng‐Shiuan Li, Chun‐Hong Kuo

    Published 2025-01-01
    “…By various X‐ray spectroscopies as well as electron microscopy, the results showed that the shells of CoS2─FexCo1‐xS2 nanooctahedra formed the {111} surfaces of Fe0.9Co1.0S2 and Fe0.25Co0.75S2 with and without the promotion by OH− anions during the syntheses. …”
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  4. 4064

    Photophysical studies of Zn(II) tetra, tert-butyl phthalocyanine by Ayari, Sami, Arnoux, Philippe, Ouzari, Hadda Imene, Frochot, Céline

    Published 2024-12-01
    “…This study investigates the ultraviolet–visible (UV–vis) absorption and fluorescence emission spectroscopies of tert-ZnPc(II), focusing on the impact of solvent polarity and the effect of different concentrations of water on UV–vis absorption behavior.…”
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  5. 4065

    Microwave-Assisted Regioselective Synthesis and 2D-NMR Studies of New 1,2,3-Triazole Compounds Derived from Acridone by Mohammed Aarjane, Siham Slassi, Bouchra Tazi, Amina Amine

    Published 2021-01-01
    “…The structure of the 1,4-disubstituted 1,2,3-triazoles has been elucidated by IR, HRMS, 1H-NMR, 13C-NMR, and 2D NMR (1H-13C HMBC, 1H-1H COSY, and 1H-1H NOESY) spectroscopies.…”
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  6. 4066

    Sampling electronic fock states using determinant quantum Monte Carlo by Shuhan Ding, Shaozhi Li, Yao Wang

    Published 2025-01-01
    “…The simulations of dynamical spectroscopies of the Hubbard and Kondo-lattice models further demonstrate the reliability and advantage of this method.…”
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  7. 4067

    Optimizing surface active sites via burying single atom into subsurface lattice for boosted methanol electrooxidation by Yunxiang Lin, Bo Geng, Ruyun Zheng, Wei Chen, Jiahui Zhao, Hengjie Liu, Zeming Qi, Zhipeng Yu, Kun Xu, Xue Liu, Li Yang, Lei Shan, Li Song

    Published 2025-01-01
    “…Meanwhile, operando spectroscopies reveal that the Ni3FeN-Ruburied exhibits an optimized adsorption of reactants along with an inhibited surface structural reconstruction. …”
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  8. 4068
  9. 4069

    Removal of Fluoride from Aqueous Solutions Using Chitosan Cryogels by Anete Jessica Arcos-Arévalo, Rosa Elvira Zavala-Arce, Pedro Ávila-Pérez, Beatriz García-Gaitán, José Luis García-Rivas, María de la Luz Jiménez-Núñez

    Published 2016-01-01
    “…They were characterized by BET, PZC, FTIR, and XPS spectroscopies. Results show a specific surface area of 36.67 and 29.17 m2g−1 and 7.0 and 6.1 of PZC for the cryogels QE and QEFe, respectively. …”
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  10. 4070

    Preparation, Investigation and the Study of the Effect of Mn(II) Complex of Catechol and 2-Aminopyridine on Seed Germination by F. I. El-Moshaty, R. S. El-Zweay, M. M. El-Ajaily, A. M. Jerboa

    Published 2011-01-01
    “…The formation of mixed ligand complex of Mn(II) with catechol (L1) and 2-aminopyridine (L2) was determined by elemental analyses (C, H and N), molar conductance measurement, thermogravimetric analysis, infrared, electronic and electron paramagnetic resonance spectroscopies. The elemental analysis data show the formation of 1:1:1 [M: L1: L2] complex. …”
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  11. 4071

    Characterization of Glasses in One Type of Alumina Rich Fly Ash by Chemical Digestion Methods: Implications for Alumina Extraction by Lijun Zhao, Hanshuang Xiao, Baodong Wang, Qi Sun

    Published 2016-01-01
    “…The K2O standard, XRD, and FTIR spectroscopies were successfully used to define the digestions processes, and size analysis and SEM-EDX provided rich information on particle transformations. …”
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  12. 4072

    Optical Active Thermal Stable Nanocomposites Using Polybutadiene-Based Polyurethane and Graphene Quantum Dot-MnO2 by Zahra Rahmatpanah, Mir Mohammad Alavi Nikje, Maryam Dargahi

    Published 2022-01-01
    “…Nanocomposites were synthesized using 1 to 3 incorporation percent of graphene quantum dot-MnO2 nanoparticles in polymer matrix. 1H-NMR and FT-IR spectroscopies confirmed successful synthesis of reaction products including graphene quantum dot-MnO2, polyurethane, and nanocomposites. …”
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  13. 4073

    TRIPHENYLTIN (IV) GLUTARATES: SYNTHESIS, FT-IR AND MÖSSBAUER STUDIES by MOUHAMADOU SEMBENE BOYE, MOUHAMADOU BIRAME DIOP, MODOU SARR, AMINATA DIASSE-SARR, LIBASSE DIOP, ALAIN WATTIAUX

    Published 2024-01-01
    “…The compounds have been characterized by FT-IR and Mössbauer spectroscopies except for 2’ whose structure is proposed on the basis of FT-IR data. …”
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  14. 4074

    TEMPO-Functionalized Nanoporous Au Nanocomposite for the Electrochemical Detection of H2O2 by Dongxiao Wen, Qianrui Liu, Ying Cui, Huaixia Yang, Jinming Kong

    Published 2018-01-01
    “…SEM images and UV-Vis spectroscopies of np-AuNPs indicated that a safe, sustainable, and simplified one-step dealloying synthesis approach is successful. …”
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  15. 4075
  16. 4076

    Enhancing water solubility of phytosterols through Co-amorphization with food-grade coformers by Yuxin Li, Yingting Luo, Xuening Song, Yuzhuo Wang, Simiao Liu, Fazheng Ren, Lingyan Kong, Hao Zhang

    Published 2025-01-01
    “…Fourier-transform infrared, Raman, and 1H NMR spectroscopies, along with molecular dynamics simulations, revealed strong intermolecular interactions between PS and Nic. …”
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  17. 4077

    Strain Effects on the Band Gap and Diameter of CdSe Core and CdSe/ZnS Core/Shell Quantum Dots at Any Temperature by Md. Rezaul Karim, Mesut Balaban, Hilmi Ünlü

    Published 2019-01-01
    “…Optical characterizations were made by using UV-Vis absorption and fluorescence emission spectroscopies. The XRD analysis suggests that the synthesized bare CdSe core and CdSe/ZnS core/shell QDs have zinc blende crystal structure. …”
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  18. 4078

    Preparation, characterization of mixed-valence antimony-tin phosphomolybdic polyoxometalates and application in the cyclohexanone oxidation in the presence of hydrogen peroxide by Maiouf, Fatma-Zohra, Boumechhour, Abdenour, Benadji, Siham, Dermeche, Leila, Mazari, Tassadit, Lancelot, Christine, Rabia, Chérifa

    Published 2022-09-01
    “…UV–Visible and X-ray photoelectron spectroscopic analyses showed a partially reduced state of POM with coexistence of the couples Mo(VI)/Mo(V), Sb(V)/Sb(III) and Sn(IV)/Sn(II), without affecting their structure, results confirmed by FT-IR and Raman spectroscopies. The reversible cyclic voltammetry analysis evidenced the valence change of the Mo species, Mo(VI)/Mo(V). …”
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  19. 4079

    Characterization and Thermal Dehydration Kinetics of Highly Crystalline Mcallisterite, Synthesized at Low Temperatures by Emek Moroydor Derun, Fatma Tugce Senberber

    Published 2014-01-01
    “…Synthesized minerals were subjected to X-ray diffraction (XRD), fourier transform infrared (FT-IR), and Raman spectroscopies and scanning electron microscopy (SEM). …”
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  20. 4080

    Piperazine sulfonamides as DPP-IV inhibitors: Synthesis, induced-fit docking and in vitro biological evaluation by Khalaf Reema Abu, Alwarafi Ebtisam, Sabbah Dima

    Published 2021-12-01
    “…In the present study, nine 1,4-bis(phenylsulfonyl) piperazine derivatives 1a-i were synthesized and identified using 1H NMR, 13C NMR, MS and IR spectroscopies. These compounds were tested in vitro and showed inhibitory activity ranging from 11.2 to 22.6 % at 100 µmol L–1 concentration. …”
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