Showing 721 - 740 results of 842 for search '"infrared spectroscopy"', query time: 0.06s Refine Results
  1. 721

    Identifying the Thermal Storage Stability of Polymer-Modified Asphalt with Carbon Nanotubes Based on Its Macroperformance and Micromorphology by Xi-yin Liu, Peng Wang, Yu Lu, Tian-tao Zhang, Li-zhi Wang, Tong-fu Wang

    Published 2021-01-01
    “…They were measured by Fourier-transformed infrared spectroscopy (FT-IR), fluorescence microscopy (FM), and atomic force microscopy (AFM), respectively. …”
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    Article
  2. 722

    Ultra high density imaging arrays in diffuse optical tomography for human brain mapping improve image quality and decoding performance by Zachary E. Markow, Jason W. Trobaugh, Edward J. Richter, Kalyan Tripathy, Sean M. Rafferty, Alexandra M. Svoboda, Mariel L. Schroeder, Tracy M. Burns-Yocum, Karla M. Bergonzi, Mark A. Chevillet, Emily M. Mugler, Adam T. Eggebrecht, Joseph P. Culver

    Published 2025-01-01
    “…Functional near-infrared spectroscopy (fNIRS) and high-density diffuse optical tomography (HD-DOT) non-invasively measure blood oxygen fluctuations related to brain activity, like fMRI, at the brain surface, using more-lightweight equipment that circumvents ergonomic and logistical limitations of fMRI. …”
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  3. 723

    Exploring Adsorption Performance of Functionalized Mesoporous Silicas with a Different Pore Structure as Strong Cation-Exchange Sorbents for Solid-Phase Extraction of Atropine and... by Fernando L. Vera-Baquero, Sonia Morante-Zarcero, Damián Pérez-Quintanilla, Isabel Sierra

    Published 2025-01-01
    “…The synthesized materials were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption–desorption, Fourier-transform infrared spectroscopy, <sup>29</sup>Si solid-state nuclear magnetic resonance spectroscopy, and elemental analysis. …”
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    Article
  4. 724

    Effect of Pressure, Post-Pressing Time, and Polymerization Cycle on the Degree of Conversion of Thermoactivated Acrylic Resin by Rafaella de S. Leão, Sandra L. D. de Moraes, Kátia A. da S. Aquino, Cristina P. Isolan, Bruno G. da S. Casado, Marcos A. J. R. Montes

    Published 2018-01-01
    “…To determine the DC, PMMA specimens were analyzed by Fourier transform infrared spectroscopy. The influence of each factor alone on the DC was studied by experimental planning. …”
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    Article
  5. 725

    Preparation and Characterization of PEG4000 Palmitate/PEG8000 Palmitate-Solid Dispersion Containing the Poorly Water-Soluble Drug Andrographolide by Qingyun Zeng, Liquan Ou, Guowei Zhao, Ping Cai, Zhenggen Liao, Wei Dong, Xinli Liang

    Published 2020-01-01
    “…The physicochemical properties of the AG-SDs were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, differential scanning calorimetry, powder X-ray diffraction, scanning electron microscopy, dissolution testing, and so on. …”
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    Article
  6. 726

    Synthesis and Characterization of TiO2 Modified with Polystyrene and Poly(3-chloro-2-hydroxypropyl Methacrylate) as Adsorbents for the Solid Phase Extraction of Organophosphorus Pe... by Enrique Alejo-Molina, A. Rafael Vilchis-Néstor, David Muñoz-Rodríguez, Cristian Carrera-Figueiras

    Published 2016-01-01
    “…Particle structures were determined via Fourier transform infrared spectroscopy to confirm that the polymers were successfully anchored to the TiO2 particles. …”
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  7. 727

    Green synthesis and enhanced photocatalytic performance of Co-Doped CuO nanoparticles for efficient degradation of synthetic dyes and water splitting by Daniel Masekela, Lovedonia K. Kganyakgo, Kwena D. Modibane, Tunde L. Yusuf, Sheriff A. Balogun, Wilson M. Seleka, Edwin Makhado

    Published 2025-01-01
    “…The synthesized materials were confirmed using Field emission-scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), Thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). The optical and electrochemical properties, including the energy band gap, transient photocurrent response (TPR), and charge-transfer resistance (Rct), were assessed using chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS), respectively. …”
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  8. 728

    Greener and rapid magnetic solid phase microextraction method using Fe3O4@Al2O3/AC for chromatographic determination of neonicotinoid pesticides in vegetable oils by Musiiwa V. Sengane, Masixole Sihlahla, Philiswa N. Nomngongo, Nomvano Mketo

    Published 2025-02-01
    “…Different characterisation techniques such as Fourier Transform Infrared Spectroscopy (FTIR), Powder X-ray diffraction analysis (PXRD), Thermogravimetric Analysis (TGA), Transmission electron microscopy (TEM), and scanning electron microscope and energy-dispersive X-ray spectroscopy (SEM-EDS) confirmed the synthesised magnetic nano adsorbents (Fe3O4, Fe3O4@Al2O3 and Fe3O4@Al2O3/AC). …”
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  9. 729

    Lysosphingolipids in ceramide-deficient skin lipid models by Georgios Paraskevopoulos, Lukáš Opálka, Andrej Kováčik, Anna Paraskevopoulou, Eleni Panoutsopoulou, Irene Sagrafena, Petra Pullmannová, Robert Čáp, Kateřina Vávrová

    Published 2025-01-01
    “…In lipid models containing isolated human stratum corneum ceramides, reducing ceramides by ≥ 30% significantly increased permeability to four markers, likely due to loss of long-periodicity phase (LPP) lamellae and phase separation within the lipid matrix, as revealed by X-ray diffraction and infrared spectroscopy. However, when the missing ceramides were replaced by lysosphingolipids and FFAs, no further increase in permeability was observed. …”
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  10. 730

    Biogenic synthesis of zinc oxide nanoparticles using NARC G1 garlic (Allium sativum) extract, their photocatalytic activity for dye degradation and antioxidant activity of the extr... by Muhammad Usama Younas, Munawar Iqbal, Naveed Ahmad, Shahid Iqbal, Abida Kausar, Arif Nazir, Osama A. Mohammed, Fozia Anjum

    Published 2025-01-01
    “…These nanoparticles (NPs) were appraised for their valuable characteristics employing UV–visible spectroscopy, Fourier-Transform infrared spectroscopy (FTIR), particle size analyzer (PSA), scanning electron microscopy (SEM) and X-ray diffraction (XRD) and. …”
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    Article
  11. 731

    New Sustainable Biosorbent Based on Recycled Deoiled Carob Seeds: Optimization of Heavy Metals Remediation by M. Farnane, A. Machrouhi, A. Elhalil, M. Abdennouri, S. Qourzal, H. Tounsadi, N. Barka

    Published 2018-01-01
    “…The biosorbents were characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Boehm titration, and the point of zero charge (pHPZC).…”
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  12. 732

    Physicochemical Characterization and In Vivo Evaluation of Amorphous and Partially Crystalline Calcium Phosphate Coatings Fabricated on Ti-6Al-4V Implants by the Plasma Spray Metho... by Estevam A. Bonfante, Lukasz Witek, Nick Tovar, Marcelo Suzuki, Charles Marin, Rodrigo Granato, Paulo G. Coelho

    Published 2012-01-01
    “…Plasma sprayed hydroxyapatite (PSHA) and amorphous calcium phosphate (ACP) surfaces were characterized by scanning electron microscopy (SEM), interferometry (IFM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FT-IR). Implants were placed in the radius epiphysis, and the right limb of dogs provided implants that remained for 6 weeks, and the left limb provided implants that remained 12 weeks in vivo. …”
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  13. 733

    Electrophoretic Deposition of Chitosan Films Doped with Nd2Ti2O7 Nanoparticles as Protective Coatings against Corrosion in Saline Solutions by M. Martinez-Gomez, A. Quinto-Hernandez, N. S. Flores-Garcia, Jan Mayén, M. Dominguez-Diaz, H. Martinez, J. Porcayo-Calderon, J. G. Gonzalez-Rodriguez, L. Martinez-Gomez

    Published 2019-01-01
    “…According to the FT-IR (Fourier transform infrared spectroscopy), Raman, and XRD (X-ray diffraction) analyses, it was observed that the presence of the nanoparticles modified the properties of the chitosan films, that is, their crystallinity was increased and their moisture absorption capacity was reduced. …”
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  14. 734

    Valorization of Date Pits as an Effective Biosorbent for Remazol Brilliant Blue Adsorption from Aqueous Solution by A. Thiam, K. Tanji, O. Assila, M. Zouheir, Redouane Haounati, A. Arrahli, A. Abeid, S. Lairini, R. Bouslamti, F. Zerouq, A. Kherbeche

    Published 2020-01-01
    “…The characterization of RDP material is investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR). Based on the calculation, the kinetic rate of the adsorption was well modeled by pseudo-second-order and Langmuir isotherm. …”
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    Article
  15. 735

    Encapsulation of Hydrogen Peroxide in PVA/PVP Hydrogels for Medical Applications by Natalie Mounayer, Sivan Shoshani, Elena Afrimzon, Taly Iline-Vul, Moris Topaz, Ehud Banin, Shlomo Margel

    Published 2025-01-01
    “…The structural and morphological properties of the hydrogel were characterized using Fourier transform infrared spectroscopy (FTIR), environmental scanning electron microscope analysis (E-SEM), and water-swelling tests. …”
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  16. 736

    fNIRS neurofeedback facilitates emotion regulation: Exploring individual differences over the ventrolateral prefrontal cortex by Yiwei Li, Sijin Li, Hua Li, Yuyao Tang, Dandan Zhang

    Published 2025-03-01
    “…Participants in the experimental group underwent VLPFCNF training over eight sessions across two consecutive days, while those in the sham group received random signals from functional near-infrared spectroscopy (fNIRS). To investigate individual variability, participants in the experimental group were further categorized as high or low-efficacy groups based on their training efficiency, determined by the regression slope of VLPFC activity over the sessions. …”
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  17. 737

    Gnidia glauca- and Plumbago zeylanica-Mediated Synthesis of Novel Copper Nanoparticles as Promising Antidiabetic Agents by Dhiraj A. Jamdade, Dishantsingh Rajpali, Komal A. Joshi, Rohini Kitture, Anuja S. Kulkarni, Vaishali S. Shinde, Jayesh Bellare, Kaushik R. Babiya, Sougata Ghosh

    Published 2019-01-01
    “…Aqueous extracts of flower, leaf, and stem of G. glauca and leaves of P. zeylanica were prepared which could effectively reduce Cu2+ ions to CuNPs within 5 h at 100°C which were further characterized using UV-visible spectroscopy, field emission scanning electron microscopy, high-resolution transmission electron microscopy, energy dispersive spectroscopy, dynamic light scattering, X-ray diffraction, and Fourier-transform infrared spectroscopy. Further, the CuNPs were checked for antidiabetic activity using porcine pancreatic α-amylase and α-glucosidase inhibition followed by evaluation of mechanism using circular dichroism spectroscopy. …”
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  18. 738

    Incorporation of κ-carrageenan improves the practical features of agar/konjac glucomannan/κ-carrageenan ternary system by Dongling Qiao, Hao Li, Fatang Jiang, Siming Zhao, Sheng Chen, Binjia Zhang

    Published 2023-03-01
    “…., scanning electron microscopy, small-angle X-ray scattering, infrared spectroscopy (IR) and X-ray diffraction (XRD), were used to disclose how κ-carrageenan addition tailors the features of agar/KGM/κ-carrageenan ternary system. …”
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  19. 739

    Influence of Molybdenum Content and MoOxy- Species on the Textural and Structural ZrO2 Properties by Alberto Hernández Zapién, Juan Manuel Hernández Enríquez, Ricardo García Alamilla, Guillermo Sandoval Robles, Ulises Páramo García, Luz Arcelia García Serrano

    Published 2014-01-01
    “…The characterization of the solids was carried out by thermal analysis, X-ray diffraction, nitrogen physisorption, infrared spectroscopy, and scanning electron microscopy. …”
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  20. 740

    Material and Technique Analysis of Qing Dynasty Official Style Architectural Polychrome Paintings in Hangzhou, Zhejiang, China by Ling Shen, Dan Hua, Baisu Nan, Yao Yao, Hong Duan, Jiakun Wang

    Published 2025-01-01
    “…Through multi-techniques such as optical microscopy (OM), scanning electron microprobe with energy dispersive X-ray spectroscopy analysis (SEM-EDX), micro-Raman spectroscopy, micro-Fourier Transform Infrared spectroscopy (μ-FTIR), and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS), it was found that there is a significant difference from the reported common non-ground architectural paintings in the south, typically having four-layer structures with a white base and ground plaster layer in preparation for painting. …”
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