Showing 2,701 - 2,720 results of 4,095 for search '"spectroscopy"', query time: 0.10s Refine Results
  1. 2701

    Electrochemical sensor based on polyaniline supported CdS/CeO2/Ag3PO4 nanocomposite for Malathion detection by Tigabu Bekele Mekonnen

    Published 2024-01-01
    “…Electrochemical behavior of glassy carbon electrode modified by polyaniline supported CdS/CeO2/Ag3PO4 nanocomposite were also characterized by electrochemical impedance spectroscopy and cyclic voltammetry in 0.1 M of K3[Fe(CN)6] containing 0.1 M KCl at pH 7 with a frequency range of 0.1 to 1000 Hz, with an amplitude of 50 mV. …”
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  2. 2702

    Neurocognitive dynamics and behavioral differences of symmetry and asymmetry processing in working memory: insights from fNIRS by Izabela Maria Sztuka, Simone Kühn

    Published 2025-02-01
    “…In our study, participants engaged in a novel working memory task involving both symmetrical and asymmetrical stimuli, while their brain activity was monitored using functional Near Infrared Spectroscopy (fNIRS). The study revealed that symmetry significantly enhances memory performance. …”
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  3. 2703

    Polyvinyl chloride thermal stabilizer from high-acid crude rice bran oil: a non-food utilization of rice bran oil☆ by Putrawan I Dewa Gede Arsa, Rahmawati Novia

    Published 2025-01-01
    “…The success of the synthesis was confirmed through FTIR spectroscopy. The stabilizing effect of the resulting REOT was examined through dehydrochlorination and two-roll mill tests. …”
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  4. 2704

    The Electric Current Effect on Electrochemical Deconsolidation of Spherical Fuel Elements by Xiaotong Chen, Zhenming Lu, Hongsheng Zhao, Bing Liu, Junguo Zhu, Chunhe Tang

    Published 2017-01-01
    “…The deconsolidated graphite powder and free particles were characterized by elemental analysis, X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectrometer (EDS), and ceramography. …”
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    Article
  5. 2705

    The effect of waste tire granules on the properties of polyethylene terephthalate thermoplastic by Ong Huei Ruey, Iskandar Wan Mohd Eqhwan, Khan Maksudur Rahman, Ong Thai Kiat, Hong Chi Shein

    Published 2025-01-01
    “…Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR) were used to analyze the composites' morphology and chemical composition. …”
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    Article
  6. 2706

    Effect of Preheating on Microhardness, Degree of Conversion, and Depth of Cure of Various Bulk-Fill Composites by Berna Tarım, Zeynep Hale Keleş

    Published 2024-04-01
    “…The other 30 samples were pulverized into a fine powder, and the composites’ degree of conversion was measured with attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy. Obtained data were analyzed statistically with a significance level of p<0.05. …”
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  7. 2707

    3D-Printed Filaments: Alginate Hydrogels With Cellulose Nanofibers as Functional Biomaterials for Tissue Engineering Applications by Mohamed Taha, Ragab Abouzeid, A. H. Abdelbaky Elbatran, M. Shehadeh, Husain Alfadhel, Wafa Mazi, Noha Omer, Mahmoud A. Abdelaziz, Amal T. Mogharbel, Hamouda M. Mousa

    Published 2024-01-01
    “…The produced hydrogel filaments were characterized using a variety of techniques, including scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA). …”
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  8. 2708

    Cellulose Nanocrystals (CNCs) and Cellulose Nanofibers (CNFs) as Adsorbents of Heavy Metal Ions by Tjhang Winny Kurniawan, Hermin Sulistyarti, Barlah Rumhayati, Akhmad Sabarudin

    Published 2023-01-01
    “…The Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric (TG), and dynamic light scattering (DLS) can reveal the characteristics and morphology of CNCs and CNFs. …”
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  9. 2709

    Subwavelength Imaging in Sub-THz Range Using Dielectric Waveguide by Paweł Komorowski, Przemysław Zagrajek, Mateusz Kaluza, Andrzej Kołodziejczyk, Sławomir Ertman, Adrianna Nieradka, Mateusz Surma, Agnieszka Siemion

    Published 2025-01-01
    “…The optical properties of many materials were analyzed using time-domain spectroscopy. A cyclic olefin copolymer (COC) was chosen as one of the most transparent. …”
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  10. 2710

    Case Report: Forensic Chemistry Analysis in Asbestos Litigation by Lúcio Paulo Lima Logrado, Caio Tadão Joko, André Lima Logrado

    Published 2025-01-01
    “…Various analytical techniques, including FTIR, Raman spectroscopy, SEM-EDS, XRF, and XRD, were employed, consistently identifying chrysotile asbestos in the samples despite its banishment. …”
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  11. 2711

    Dielectric Behaviour of Zn/Al-NO3 LDHs Filled with Polyvinyl Chloride Composite at Low Microwave Frequencies by Ethar Y. Salih, Zulkifly Abbas, Samer Hasan Hussein Al Ali, Mohd Zobir Hussein

    Published 2014-01-01
    “…The composites were characterised using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM), and room temperature dielectric measurements were investigated using an RF Impedance/Material Analyzer (Agilent 4291). …”
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  12. 2712

    Low Temperature Synthesis of Hexagonal Bi2Te3 Nanoplates Using an Open Reactor and Its Effect on Their Physicochemical Properties by Laura A. Reyes-Verdugo, Maria de J. Martinez-Carreon, C. D. Gutierrez-Lazos, Francisco J. Solis-Pomar, Jose G. Quiñones-Galvan, Eduardo Perez-Tijerina

    Published 2024-01-01
    “…A vibrational mode at 120 cm−1 due to the breaking of the symmetry of the Bi2Te3 crystal along the C axis was observed by Raman spectroscopy. XPS results showed that despite the strong reactivity of Te2− ions with ambient oxygen, the crystallization of Bi2Te3 hexagonal nanoplates is feasible without controlled vapor pressure and at a lower temperature than reported in other works. …”
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  13. 2713

    Photocatalytic Properties of Nanotubular-Shaped TiO2 Powders with Anatase Phase Obtained from Titanate Nanotube Powder through Various Thermal Treatments by Nam-Hee Lee, Hyo-Jin Oh, Sang-Chul Jung, Won-Jae Lee, Dong-Hyun Kim, Sun-Jae Kim

    Published 2011-01-01
    “…Their photocatalytic properties were measured with checking decomposition of 4-chlorophenol under UV-A irradiation, together with physical characterizations using SEM, TEM, XRD, BET, and Raman spectroscopy. With increasing calcination temperature and time, nanotubular-shaped titanate particles became short, rod-like, or irregular by oversintering, and their crystalline structure was changed into anatase phase. …”
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  14. 2714

    Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study by Dongsu Yan, Tongfu Fang, Wei He, Min Xu

    Published 2025-01-01
    “…We employed functional near-infrared spectroscopy to examine among preschool children (N=50, Mage=61.5 months) the neural activation associated with processing sentences of varying syntactic complexities, as well as tasks assessing word comprehension and working memory. …”
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  15. 2715

    Chemical profiling, antioxidant, and antimicrobial activities of the essential oil of Matricaria recutita (Chamomile) by Ram Prasad Baral, Rameshwar Adhikari, Achyut Adhikari

    Published 2025-01-01
    “…This research focuses on extracting essential oil through hydro-distillation, followed by Gas Chromatography-Mass Spectroscopy (GC-MS) to identify its chemical constituents and antioxidant and antimicrobial activities against bacteria and fungi responsible for common skin infections. …”
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  16. 2716

    Silver/Copper Nanoparticle-Modified Polymer Chitosan/PVA Blend Fibers by Dikeledi S. More, Makwena J. Moloto, Nosipho Moloto, Kgabo P. Matabola

    Published 2021-01-01
    “…The resultant fibers were characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and thermogravimetric analysis (TGA). …”
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  17. 2717

    Superabsorbent derived from cassava waste pulp by Zainal Alim Masâud, Mohammad Khotib, Muhamad Farid, Anwar Nur, Muhamad Amroni

    Published 2024-02-01
    “…The formation of a superabsorbent was confirmed by FTIR spectroscopy, as the spectra exhibited all characteristic bands of both cassava waste pulp and acrylamide. …”
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  18. 2718

    Synthesis of CdS Sensitized TiO2 Photocatalysts: Methylene Blue Adsorption and Enhanced Photocatalytic Activities by A. B. Makama, A. Salmiaton, E. B. Saion, T. S. Y. Choong, N. Abdullah

    Published 2016-01-01
    “…The as-produced powders were characterized by XRD, electron microscopy, EDX, and UV-Vis diffuse reflectance spectroscopy. The adsorption capacity and photocatalytic activity of the samples were investigated using methylene blue as a model pollutant. …”
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  19. 2719

    Synthesis ZnO/RGO nanocomposite: Structural characteristics and antifungal/antibacterial properties by Mahshid Chireh, Mahmoud Naseri, Maryam Rahimi, Ali Reza Solymani

    Published 2024-02-01
    “…Various characterization techniques such as Fourier transform infrared spectroscopy, field emission scanning electron microscopy and X-ray diffraction, were employed to investigate the phase composition, microstructure form, and degree of crystallinity. …”
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  20. 2720

    Transition Metal(II) Complexes with Cefotaxime-Derived Schiff Base: Synthesis, Characterization, and Antimicrobial Studies by Aurora Reiss, Mariana Carmen Chifiriuc, Emilia Amzoiu, Cezar Ionuţ Spînu

    Published 2014-01-01
    “…The complexes were characterized by elemental analyses, conductance, and magnetic measurements, as well as by IR and UV-Vis spectroscopy. The low values of the molar conductance indicate nonelectrolyte type of complexes. …”
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