The role of manganese in CoMnOx catalysts for selective long-chain hydrocarbon production via Fischer-Tropsch synthesis by Hao Chen, Zan Lian, Xiao Zhao, Jiawei Wan, Priscilla F. Pieters, Judit Oliver-Meseguer, Ji Yang, Elzbieta Pach, Sophie Carenco, Laureline Treps, Nikos Liakakos, Yu Shan, Virginia Altoe, Ed Wong, Zengqing Zhuo, Feipeng Yang, Ji Su, Jinghua Guo, Monika Blum, Saul H. Lapidus, Adrian Hunt, Iradwikanari Waluyo, Hirohito Ogasawara, Haimei Zheng, Peidong Yang, Alexis T. Bell, Núria López, Miquel Salmeron

“…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. …”
Get full text

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

“…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. …”
Get full text

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

“…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. …”
Get full text

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

“…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. …”
Get full text

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

“…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. …”
Get full text

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

“…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. …”
Get full text

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

“…SEM images and UV-Vis spectroscopies of np-AuNPs indicated that a safe, sustainable, and simplified one-step dealloying synthesis approach is successful. …”
Get full text

Mechanisms of the Reversible Electrochemical Insertion of Lithium Occurring with NCIMs (Nano–Crystallite Insertion–Materials) by S. D. Han, N. Treuil, G. Campet, J. Portier, C. Delmas, J. C. Lassègues, A. Pierre

Get full text

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

“…Fourier-transform infrared, Raman, and 1H NMR spectroscopies, along with molecular dynamics simulations, revealed strong intermolecular interactions between PS and Nic. …”
Get full text

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

“…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. …”
Get full text

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

“…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). …”
Get full text

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

“…Synthesized minerals were subjected to X-ray diffraction (XRD), fourier transform infrared (FT-IR), and Raman spectroscopies and scanning electron microscopy (SEM). …”
Get full text

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

“…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. …”
Get full text

Effect of Magnesium Borates on the Fire-Retarding Properties of Zinc Borates by Azmi Seyhun Kipcak, Nil Baran Acarali, Emek Moroydor Derun, Nurcan Tugrul, Sabriye Piskin

“…Using the starting materials, hydrothermal synthesis was applied, and characterisation of the products was performed using X-Ray diffraction (XRD) and Fourier transform infrared (FT-IR) and Raman spectroscopies. The forms of Zn3B6O12·3.5H2O, MgO(B2O3)3·7(H2O), and Mg2(B6O7(OH)6)2·9(H2O) were synthesised successfully. …”
Get full text

SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL ACTIVITY OF RUTHENIUM NITROSYL COMPLEXES CONTAINING POLYPYRIDYL LIGANDS by Dayana P. S. Penha, Thuanny M. de Sousa, Dayane C. de Oliveira, Maria R. H. da Silva, Verônica da S. Oliveira, Daniel de L. Pontes, Ana C. F. de B. Pontes, Tércio de F. Paulo, Francisco O. N. da Silva

“…The ruthenium(II) complexes cis-[Ru(bpy)(phen)(ImN)(NO)](PF6)3 (I) and cis-[Ru(bpy)(phen)(SO3)(NO)](PF6) (II) (bpy = 2,2’-bipyridine, phen = 1,10’-phenanthroline and ImN = imidazole) were synthesized and characterized using UV-visible, infrared and NMR (nuclear magnetic resonance) spectroscopies and electrochemical techniques. Infrared bands in the 1910-1950 cm−1 range are consistent with NO+ stretching, indicating the coordination of nitric oxide. …”
Get full text

Syntheses, Characterization, and Antimicrobial Screening of N-(benzothiazol-2-yl)benzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(II), and Zn(II) Complexes by N. L. Obasi, Okoye C. O. Benedict, P. O. Ukoha, A. O. Anaga

“…The compounds were characterized using magnetic susceptibility measurements, UV/VIS spectrophotometry, infra red, proton and 13C nmr spectroscopies. The antimicrobial tests of the ligands and its metal complexes were carried out on both multi-resistant bacterial strains isolated under clinical conditions and cultured species using agar-well diffusion method. …”
Get full text

Saponins Effect on Human Insulin Amyloid Aggregation by Eleonora Mari, Silvia Vilasi, Paolo Moretti, Maria Rosalia Mangione, Giorgia Giorgini, Roberta Galeazzi, Maria Grazia Ortore

“…To monitor the kinetic of amyloid aggregation following secondary structure changes, we perform fluorescence and UV-Visible absorption spectroscopies, using Thioflavin T and Congo Red as amyloid specific probes, and Circular Dichroism. …”
Get full text

Interfacial charge transfer on hierarchical synergistic shell wall of MXene/MoS2 on CdS nanospheres: heterostructure integrity for visible light responsive photocatalytic H2 evolut... by Kugalur Shanmugam Ranjith, Ali Mohammadi, Ganji Seeta Rama Raju, Yun Suk Huh, Young-Kyu Han

“…X-ray and ultraviolet photoelectron spectroscopies validated the electronic states, energy band alignment, and work function of the heterostructures, whilst time-resolved photoluminescence measured the carrier lifespan to evaluate the effective charge migration in the CdS-MXe/MoS2 heterostructure. …”
Get full text

Isolation, purification, structural characteristic and antioxidative property of polysaccharides from A. cepa L. var. agrogatum Don by Hongcheng Liu, Hongxiu Fan, Jing Zhang, Shanshan Zhang, Wenting Zhao, Tingting Liu, Dawei Wang

“…The monosaccharide composition, structural and antioxidative properties of ALAP-21 were investigated by GC–MS chromatography, FT-IR and NMR spectroscopies and three antioxidative activity tests in vitro. …”
Get full text

Anti-breast cancer activity of some novel quinoline derivatives by Ghorab Mostafa M., Alsaid Mansour S.

“…The structures of the newly synthesized compounds were confirmed by elemental analyses, IR, 1H NMR and 13C NMR spectroscopies. In addition, the structure of compound 1 was confirmed through X-ray crystallography. …”
Get full text