Showing 441 - 460 results of 842 for search '"infrared spectroscopy"', query time: 0.06s Refine Results
  1. 441

    Synthesis, characterization and evaluation biological activity of some 2-mercaptobinzemidazol complexes by Anfal Salam Al-Mahdawi, Noor Sabah Al-Obaidi, Amna Ali Ahmad, Tabarak Ali Jumaa, Zahraa Ali Abas, Haider Salah Mahdi

    Published 2025-01-01
    “…The synthesized complexes were characterize by measuring ultraviolet spectroscopy, the wave length (λ nm) (318, 333.4) of ligand (272, 296.2, 624.8), (254, 306), (257, 311) and (262, 314) of synthesized complexes respectively, then by infrared spectroscopy (FTIR) the results of the infrared spectroscopic examination showed the shifted in the absorption bands of (S-H) and (N-H) groups of the ligand as a result of coordination, molar conductivity, atomic absorption (AAS) spectroscopy and ratio of elements (CHNS) to determine the formulas of the complexes, the complexes shown a distorted octahedral crystal structure, and the molecular formula of the complexes was [M (C7H6N2S)2Cl2]. …”
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  2. 442

    Kinetic Study on the CsXH3−X PW12O40/Fe-SiO2 Nanocatalyst for Biodiesel Production by Mostafa Feyzi, Leila Norouzi, Hamid Reza Rafiee

    Published 2013-01-01
    “…Characterization of catalyst was carried out by using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform-infrared spectroscopy (FT-IR), N2 adsorption-desorption measurements methods, thermal gravimetric analysis (TGA), and differential scanning calorimetry (DSC).…”
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  3. 443

    Microwave-Assisted Synthesis of Chitosan/Polyvinyl Alcohol Silver Nanoparticles Gel for Wound Dressing Applications by Nguyen Thi Hiep, Huynh Chan Khon, Vo Van Thanh Niem, Vo Van Toi, Tran Ngoc Quyen, Nguyen Dai Hai, Mai Ngoc Tuan Anh

    Published 2016-01-01
    “…The interaction of CS and PVA was analysed by Fourier transform infrared spectroscopy. The release of silver ions was determined by atomic absorption spectrometry. …”
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    Article
  4. 444

    Characterization of Polylysine Enriched Self-Adhesive Resin Cements by Zainab M. Mansi, Abdulla MW Al-Shamma

    Published 2023-01-01
    “…Different characterization tests were performed including Fourier transform infrared spectroscopy (FTIR), degree of conversion (DC), compressive strength (CS), and ISO tests 4049-2019 that include: film thickness, setting time, water sorption (WS), and solubility (SL). …”
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  5. 445

    Removal of Azo Dyes (Violet B and Violet 5R) from Aqueous Solution Using New Activated Carbon Developed from Orange Peel by Saeedeh Hashemian, Khaterah Salari, Hamila Salehifar, Zahra Atashi Yazdi

    Published 2013-01-01
    “…COP was characterized using Fourier infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and BET. …”
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  6. 446

    Copolymer Based on Polyglycerol-Acrylate-Lactate as Potential Water Viscosifier and Surfactant for Enhanced Oil Recovery by M. P. Amaya-Gómez, L. M. Sanabria-Rivas, A. M. Díaz-Lasprilla, C. Ardila-Suárez, R. H. Castro-García, H. I. Quintero-Pérez, G. E. Ramírez-Caballero

    Published 2020-01-01
    “…The chemical structure of copolymers was characterized by Fourier transform infrared spectroscopy (FT-IR), thermogravimetry (TG), and differential scanning calorimetry (DSC). …”
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    Article
  7. 447

    Electrochemical and physical properties of magnesioferrite nanomaterial and photocatalytic degradation of methylene blue by Nolubabalo Matinise, A. Fall

    Published 2025-01-01
    “…Additionally, Fourier transform infrared spectroscopy provided valuable insights into the chemical bonding and composition. …”
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    Article
  8. 448

    Unlocking Dabrafenib’s Potential: A Quality by Design (QBD) Journey to Enhance Permeation and Oral Bioavailability through Nanosponge Formulation by Konda Sri Chaya Reddy, Darna Bhikshapathi, Jaini Pavan Kumar

    Published 2025-01-01
    “…Studies on compatibility were carried out with FTIR (Fourier Transform Infrared Spectroscopy) and DSC (Differential Scanning Calorimetry). …”
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  9. 449

    Isomerization and degradation of all-trans-β-carotene during in-vitro digestion by Wenyang Tao, Xingqian Ye, Yanping Cao

    Published 2021-05-01
    “…To investigate the behavior of all-trans-β-carotene during digestion, in-vitro digestion coupled with HPLC-DAD, Raman spectroscopy and Fourier transform-infrared spectroscopy were used to monitor it. All-trans-β-carotene reduced by 75% during the in-vitro digestion and had a highest degradation during intestinal digestion compared with oral and gastro digestion. …”
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  10. 450

    Electrospun polyvinylpyrrolidone fibers with cobalt ferrite nanoparticles by Vinicio J. Cevallos, Sarah Briceño, Guillermo Solorzano, Jules Gardener, Alexis Debut, Raúl Dávalos, Werner Bramer-Escamilla, Gema González

    Published 2025-04-01
    “…The samples were characterized using Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). …”
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  11. 451

    Characterization and Digital Restauration of XIV-XV Centuries Written Parchments by Means of Nondestructive Techniques: Three Case Studies by L. Pronti, M. Perino, M. Cursi, M. L. Santarelli, A. C. Felici, M. P. Bracciale

    Published 2018-01-01
    “…In this work, three partially degraded handwritten parchments dating back to the XIV-XV centuries were analyzed by means of X-ray fluorescence spectroscopy, µ-ATR Fourier transform infrared spectroscopy, and reflectance and UV-induced fluorescence spectroscopy. …”
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  12. 452

    Effects of Nanoscale Carbon Black Modified by HNO3 on Immobilization and Phytoavailability of Ni in Contaminated Soil by Jiemin Cheng, Lei Yu, Tong Li, Yuzhen Liu, Chengxiu Lu, Tingting Li, Hanwei Wang

    Published 2015-01-01
    “…The surface properties of the adsorbent were characterized by zeta potential analysis, scanning electron microscopy (SEM), and Fourier transform infrared spectroscopy (FTIRs). Batch experiments were conducted to evaluate the improvement of Ni2+ adsorption by MCB. …”
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  13. 453

    Preparation, Physical-Chemical Characterization, and Cytocompatibility of Polymeric Calcium Phosphate Cements by Rania M. Khashaba, Mervet Moussa, Christopher Koch, Arthur R. Jurgensen, David M. Missimer, Ronny L. Rutherford, Norman B. Chutkan, James L. Borke

    Published 2011-01-01
    “…Specimens were characterized using X-ray diffraction, scanning electron microscopy, and infrared spectroscopy. In vitro cytotoxicity of CPCs and control was assessed. …”
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  14. 454

    Fabrication and assessment on morphological, thermal stability and self‐healing efficiency of microcapsule‐based jute/epoxy bio‐composites by Md. Mahmudul Adil, M. S. Rabbi, Tasfia Tasnim

    Published 2025-01-01
    “…Fourier transform infrared spectroscopy spectra and energy dispersive x‐ray of the sample confirmed the presence of relevant chemical groups in both microcapsules and the composite. …”
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  15. 455

    Preparation, characterization, and performance of 4A zeolite based on opal waste rock for removal of ammonium ion by Zongshan Wu, Jingjing Xie, Haibo Liu, Tianhu Chen, Peng Cheng, Can Wang, Dianchao Kong

    Published 2018-12-01
    “…X-ray diffraction, scanning electron microscope imaging, cation exchange capacity, static water adsorption, Fourier transform infrared spectroscopy, and N 2 adsorption–desorption isotherm were used for assessing properties of 4A zeolite. …”
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  16. 456

    Thermal behavior of polymeric nickel(II) oxalate complex obtained through nickel(II) nitrate/ethylene glycol reaction by Niculescu Mircea, Pascariu Mihai-Cosmin, Racu Andrei, Taranu Bogdan-Ovidiu

    Published 2024-01-01
    “…The proposed decomposition mechanism was confirmed using evolved gas analysis (EGA) technique via the Fourier transform infrared spectroscopy (FTIR) of the gaseous decomposition products. …”
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  17. 457

    The Influence of Electrolytic Concentration on the Electrochemical Deposition of Calcium Phosphate Coating on a Direct Laser Metal Forming Surface by Qianyue Sun, Yuhui Yang, Wenjing Luo, Jinghui Zhao, Yanmin Zhou

    Published 2017-01-01
    “…The purpose of this study was to develop CaP coatings on a direct laser metal forming implant using electrochemical deposition and to investigate the effect of electrolytic concentration on the coating’s morphology and structure by X-ray diffraction, scanning electron microscopy, water contact angle analysis, and Fourier transform infrared spectroscopy. In group 10−2, coatings were rich in dicalcium phosphate, characterized to be thick, layered, and disordered plates. …”
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  18. 458

    Porphyra haitanensis polysaccharide (PH) attenuates cell hyperplasia via remodeling the cross-talk between Hippo/YAP and mTOR pathways by Chong Wang, Wanglei Lin, Zhihua Sun, Yiming Sun, Yanbo Wang, Linglin Fu

    Published 2023-03-01
    “…The purified PH was first characterized by Fourier-transform infrared spectroscopy. Then an intestinal epithelial cell model was established, in which PH significantly suppressed cell hyperplasia. …”
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    Article
  19. 459

    Self-Healing Photocurable Epoxy/thiol-ene Systems Using an Aromatic Epoxy Resin by Ricardo Acosta Ortiz, Omar Acosta Berlanga, Aída Esmeralda García Valdez, Rafael Aguirre Flores, José Guadalupe Télles Padilla, María Guadalupe Méndez Padilla

    Published 2016-01-01
    “…The oligomer was characterized by Fourier transform infrared spectroscopy (FTIR), Raman and nuclear magnetic resonance spectroscopies, and gel permeation chromatography (GPC). …”
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  20. 460

    In Vitro Sustained Release Study of Gallic Acid Coated with Magnetite-PEG and Magnetite-PVA for Drug Delivery System by Dena Dorniani, Aminu Umar Kura, Samer Hasan Hussein-Al-Ali, Mohd Zobir Bin Hussein, Sharida Fakurazi, Abdul Halim Shaari, Zalinah Ahmad

    Published 2014-01-01
    “…The efficacy of two nanocarriers polyethylene glycol and polyvinyl alcohol magnetic nanoparticles coated with gallic acid (GA) was accomplished via X-ray diffraction, infrared spectroscopy, magnetic measurements, thermal analysis, and TEM. …”
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    Article