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4061
Synthesis and Physicochemical Characterization of Chitin Derivatives
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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4062
Effects of solar radiation on collagen-based biomaterials
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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4063
Turning the Surface Electronic Effect Over Core‐Shell CoS2─FexCo1‐xS2 Nanooctahedra Toward Electrochemical Water Splitting in the Alkaline Medium
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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4064
Photophysical studies of Zn(II) tetra, tert-butyl phthalocyanine
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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4065
Microwave-Assisted Regioselective Synthesis and 2D-NMR Studies of New 1,2,3-Triazole Compounds Derived from Acridone
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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4066
Sampling electronic fock states using determinant quantum Monte Carlo
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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4067
Optimizing surface active sites via burying single atom into subsurface lattice for boosted methanol electrooxidation
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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4068
The role of manganese in CoMnOx catalysts for selective long-chain hydrocarbon production via Fischer-Tropsch synthesis
Published 2024-11-01“…Employing TEM and in-situ X-ray spectroscopies (XRD, APXPS, and XAS), we determine the catalyst’s atomic structure, chemical state, reactive species, and their evolution under FTS conditions. …”
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4069
Removal of Fluoride from Aqueous Solutions Using Chitosan Cryogels
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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4070
Preparation, Investigation and the Study of the Effect of Mn(II) Complex of Catechol and 2-Aminopyridine on Seed Germination
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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4071
Characterization of Glasses in One Type of Alumina Rich Fly Ash by Chemical Digestion Methods: Implications for Alumina Extraction
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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4072
Optical Active Thermal Stable Nanocomposites Using Polybutadiene-Based Polyurethane and Graphene Quantum Dot-MnO2
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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4073
TRIPHENYLTIN (IV) GLUTARATES: SYNTHESIS, FT-IR AND MÖSSBAUER STUDIES
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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4074
TEMPO-Functionalized Nanoporous Au Nanocomposite for the Electrochemical Detection of H2O2
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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4075
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4076
Enhancing water solubility of phytosterols through Co-amorphization with food-grade coformers
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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4077
Strain Effects on the Band Gap and Diameter of CdSe Core and CdSe/ZnS Core/Shell Quantum Dots at Any Temperature
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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4078
Preparation, characterization of mixed-valence antimony-tin phosphomolybdic polyoxometalates and application in the cyclohexanone oxidation in the presence of hydrogen peroxide
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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4079
Characterization and Thermal Dehydration Kinetics of Highly Crystalline Mcallisterite, Synthesized at Low Temperatures
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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4080
Piperazine sulfonamides as DPP-IV inhibitors: Synthesis, induced-fit docking and in vitro biological evaluation
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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