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78541
Influence of the Reaction Conditions in the Crystal Structures of Zn(II) and Ni(II) Coordination Compounds with a Dissymmetric Bis(Thiosemicarbazone) Ligand
Published 2022-02-01“…Its reactivity with nickel(II) and zinc(II) nitrates was explored and the resulting complexes were thoroughly characterized by elemental analysis, conductivity, mass spectrometry, IR, <sup>1</sup>H and <sup>13</sup>C NMR spectroscopies and their structures were confirmed by single-crystal X-ray diffraction. …”
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78542
Perovskite precursor concentration for enhanced recombination suppression in perovskite solar cells
Published 2022-12-01“…Electrochemical (cyclic voltammetry and electrochemical impedance spectroscopies (EIS)) analyses reveal optimal suppression of carrier recombination by 40 wt% device, which is attributed to presence of larger grain size. …”
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78543
Chitosan-capped silver nanoparticles with potent and selective intrinsic activity against the breast cancer cells
Published 2023-05-01“…Following chemical synthesis via a simple, one-pot reaction, the chitosan coating of AgNPs was verified using Fourier-transform infrared and ultraviolet–visible spectroscopies. The physicochemical properties and morphology were characterized using dynamic light scattering, scanning electron microscopy, and transmission electron microscopy. …”
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78544
Green Nanoformulations of Polyvinylpyrrolidone-Capped Metal Nanoparticles: A Study at the Hybrid Interface with Biomimetic Cell Membranes and In Vitro Cell Models
Published 2023-05-01“…The physicochemical properties of the PVP-capped NP were investigated by UV-visible (UV-vis) and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopies, dynamic light scattering (DLS), and atomic force microscopy (AFM), to scrutinize the optical features and the interface between the metal surface and the capping polymer, the hydrodynamic size, and the morphology, respectively. …”
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78545
Pharmacological Effects of Grifolin: Focusing on Anticancer Mechanisms
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78546
Long-Term Oxidation Susceptibility in Ambient Air of the Semiconductor Kesterite Cu<sub>2</sub>ZnSnS<sub>4</sub> Nanopowders Made by Mechanochemical Synthesis Method
Published 2023-09-01“…The characterization methods included powder XRD, FT-IR/UV-Vis/Raman/NMR spectroscopies, SEM, the determination of BET/BJH specific surface area and helium density (d<sub>He</sub>), and direct oxygen and hydrogen-content analyses. …”
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78547
Preparation and Molecular Structural Characterization of Fulvic Acid Extracted from Different Types of Peat
Published 2023-09-01“…Analyses using infrared, UV-Vis, <sup>13</sup>C-NMR, and X-ray photoelectron spectroscopies, as well as X-ray diffraction (XRD), were conducted to compare the effects of different peat types on the content and molecular structure of fulvic acid. …”
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78548
Photocatalytic Hydrogen Production from Glycerol Aqueous Solutions as Sustainable Feedstocks Using Zr-Based UiO-66 Materials under Simulated Sunlight Irradiation
Published 2022-10-01“…Evidence in support of the occurrence of photoinduced charge separation with Pt@UiO-66(Zr)-NH<sub>2</sub> is provided from transient absorption and photoluminescence spectroscopies together with photocurrent measurements. …”
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78549
Activity Enhancement of P25 Titanium Dioxide by Zinc Oxide for Photocatalytic Phenol Degradation
Published 2021-06-01“…The composite materials were then characterized using X-ray diffraction (XRD), diffuse-reflectance ultraviolet-visible (DR UV-vis), Fourier transform infrared (FTIR), and fluorescence spectroscopies. All the composites gave better activity than the P25 TiO2, in which the TiO2/ZnO 1:1 composite material exhibited the highest first-order reaction rate constant (0.43 h−1). …”
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78550
Cartas Ejecutorias de Hidalguía (executory certificates of nobility): a survey in materials analysis, legal, and aesthetic contexts—two case studies
Published 2023-01-01“…This research uses a combination of: (a) instrumental techniques (X-ray fluorescence, reflectance, and infrared spectroscopies; peptide mass fingerprinting; and gas chromatography); and (b) historical research using both the manuscript’s contents as primary sources, and published research. …”
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78551
Synthesis of ternary copper antimony sulfide via solventless thermolysis or aerosol assisted chemical vapour deposition using metal dithiocarbamates
Published 2022-04-01“…These materials were then characterised by powder XRD, SEM, EDX and Raman spectroscopies to determine the crystalline phase, material morphology and uniformity of elemental composition. …”
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78552
Photocytotoxic Activity of Ruthenium(II) Complexes with Phenanthroline-Hydrazone Ligands
Published 2021-04-01“…These ligands and the Ru(II) complexes were characterized by elemental analyses, electronic, vibrational, <sup>1</sup>H NMR, and ESI-MS spectroscopies. Ru is bound to two different <i>N</i>-heterocyclic ligands. …”
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78553
Aplicación de las espectroscopias IR/ATR y Raman al estudio de la superficie de vidrios sometidos a molturación
Published 2008-04-01“…The grinding process of vítreous silica and a conventional glass has been studied by means of Raman and IR/ATR spectroscopies. By using the obtained spectra, the positions and areas of the different bands have been calculated. …”
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78554
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78555
Cycle-induced interfacial degradation and transition metal cross-over in LiNi0.8Mn0.1Co0.1O2-graphite cells
Published 2022“…Here, we combine electrochemical analysis with surface-sensitive X-ray photoelectron and absorption spectroscopies to observe the interfacial degradation occurring in LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub>–graphite full cells over hundreds of cycles between fixed cell voltages (2.5–4.2 V). …”
Journal article -
78556
Y13C Azotobacter vinelandii ferredoxin I. A designed [Fe-S] ligand motif contains a cysteine persulfide.
Published 1997“…However, characterization of purified Y13C FdI by UV-visible spectra, circular dichroism, electron paramagnetic resonance spectroscopies, and by x-ray crystallography revealed that the protein failed to use the introduced cysteine as a ligand and retained its [3Fe-4S]+/0 cluster. …”
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78557
Delta T 14/Delta D 15 Azotobacter vinelandii ferredoxin I: creation of a new CysXXCysXXCys motif that ligates a [4Fe-4S] cluster.
Published 1998“…UV/Vis, CD, and EPR spectroscopies and direct electrochemical studies of the purified protein reveal that this DeltaT14/DeltaD15 FdI variant is an 8Fe protein containing two [4Fe-4S]2+/+ clusters with reduction potentials of -466 and -612 mV versus SHE. …”
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78558
Interactions Between Amino Acid-Tagged Naphthalenediimide and Single Walled Carbon Nanotubes for the Design and Construction of New Bioimaging Probes
Published 2012“…A new hybrid material, NDI@SWNT, was prepared and characterized as dispersed in organic solvents and aqueous media and in the solid state by HR TEM, tapping mode atomic force microscopy (TM AFM), scanning electron microscopy (SEM), circular dichroism, Raman and fluorescence spectroscopies (steady-state single and two-photon techniques). …”
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78559
Observation of the unbiased conformers of putative DNA-scaffold ribosugars
Published 2020“…Here, the inherent conformational biases of DNA scaffold deoxyribosides in unsolvated and solvated forms have now been defined using gas-phase microwave and solution-phase NMR spectroscopies coupled with computational analyses and exploitation of critical differences between natural-abundance isotopologues. …”
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78560
Statistical optimization of zinc oxide nanorod synthesis for photocatalytic degradation of methylene blue
Published 2022“…The optimized synthesized nanorods was then characterized using field emission scanning electron microscope (FESEM), X-ray diffraction (XRD), photoluminescence (PL), ultraviolet-visible near-infrared (UV-VIS-NIR), and Raman spectroscopies while the photodegradation of MB was determined by UV-VIS spectrum analysis under ultraviolet light irradiation. …”
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