Showing 1,841 - 1,860 results of 4,095 for search '"spectroscopy"', query time: 0.06s Refine Results
  1. 1841
  2. 1842

    The Influence of Carrier on the Critical Phenomena in CO Oxidation over NiO by Vitaly K. Yatsimirsky, Vitaly L. Budarin, Vitaly Y. Diyuk, L.Y. Matzui, M.I. Zacharenko

    Published 2000-09-01
    “…Ni/TEG and Ni/NiO samples were studied via X-ray diffraction, Auger spectroscopy and electron microscopy methods.…”
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    Article
  3. 1843

    Preparation, Characterization, and Photocatalytic Property of Cu𝟐O-TiO𝟐 Nanocomposites by Longfeng Li, Maolin Zhang

    Published 2012-01-01
    “…The obtained products were characterized by means of X-ray diffraction(XRD), Uv-vis diffuse reflectance spectroscopy, laser particle size analysis, and scanning electron microscopy (SEM), respectively. …”
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    Article
  4. 1844

    Alkali Metal Modification of Silica Gel-Based Stationary Phase in Gas Chromatography by Ashraf Yehia El-Naggar

    Published 2013-01-01
    “…The silica surfaces before and after modification were confirmed by infrared spectroscopy in order to observe the strength and abundance of the acidic surface OH group bands which play an important role in the adsorption properties of polar and nonpolar solutes. …”
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    Article
  5. 1845

    Investigation of Friedel-Crafts Alkylation in the Presence of Supported Sulfonic Acid on Silica Gel by A. R. Kiasat, M. Karimi-Cheshmeali, R. Soleymani, H. Rajabzadeh

    Published 2012-01-01
    “…The reaction progress was controlled using thin layer chromatography and the reaction products were analyzed using IR spectroscopy devise. The results show this new catalyst is effective in the friedel crafts alkylation and C-C bond formation was done in short time with very good yields.…”
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    Article
  6. 1846

    Comparative analysis of solvent-based and solvent-free (melting) methods for fabricating 3D-printed polycaprolactone-hydroxyapatite composite bone scaffolds: physicochemical/mechan... by Brigita De Vega, Brigita De Vega, Abir Dutta, Abir Dutta, Aisha Mumtaz, Bob C. Schroeder, Craig Gerrand, Ashleigh S. Boyd, Ashleigh S. Boyd, Deepak M. Kalaskar, Deepak M. Kalaskar

    Published 2025-01-01
    “…Rheology, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), accelerated degradation, mechanical/compression test, wettability/contact angle, live/dead assay, and DNA quantification (Picogreen) assays were evaluated.FindingsThe study finds that scaffolds made via the solid solvent method have higher mechanical strength and degradation rate as compared to those from the melting method, while both methods ensure adequate cytocompatibility and homogenous hydroxyapatite distribution, supporting their use in bone tissue engineering.OriginalityThis research investigates the utility of chloroform as a solvent for PCL composite in a direct comparison with the melting method. …”
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    Article
  7. 1847

    Edible Coatings Enhance Storability and Preserve Quality of Kiwiberry (<i>Actinidia arguta</i> L.) cv. Ken’s Red by Adriana C. Guerreiro, Custódia Gago, Dário Passos, Jaime Martins, Sandra Cruz, Fernão Veloso, Rui Guerra, Maria D. Antunes

    Published 2025-01-01
    “…Additionally, the use of visible/near-infrared (Vis-NIR) spectroscopy for non-destructive quality monitoring was explored. …”
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    Article
  8. 1848
  9. 1849

    Reactivity in cell culture medium and in vitro anticancer activity of 3,5-di-tert-butylcatechol: link to metal-catechol interactions by Aviva Levina, Debbie C. Crans, Peter A. Lay

    Published 2025-02-01
    “…These results were explained by speciation studies (UV/Vis spectroscopy and mass spectrometry) of dtbH2 and dtbQ in cell culture medium, aqueous buffers, or organic solvents in the presence or absence of GSH. …”
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    Article
  10. 1850

    Effects of ZnO nanoparticles concentration on the morphology and textural properties of ZnO/NiFe2O4 nanocomposite by Jimoh Oladejo Tijani, Augustine Innalegwu Daniel, Sarah Udenyi Onogwu, Ambali Saka Abdulkareem, Usman Ahmed Aminu, Marshall Keyster, Ashwil Klein

    Published 2025-06-01
    “…X-ray photoelectron spectroscopy (XPS) results show difference in binding energies of the elements present in different concentration of the dopants. …”
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    Article
  11. 1851

    Citronellol-functionalized natural silica: a biogenic approach for antifungal and antibacterial material applications by Guillermo P. Lopez, Guillermo P. Lopez, Leyanet Barberia Roque, Katerine Igal, Katerine Igal, Erasmo Gámez Espinosa, Erasmo Gámez Espinosa, Natalia Bellotti, Natalia Bellotti

    Published 2025-01-01
    “…The hybrids obtained were characterized by thermogravimetric analysis (TGA), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and Fourier-transform infrared spectroscopy (FTIR). …”
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    Article
  12. 1852

    Application of response surface methodology (RSM) for experimental optimization in biogenic silica extraction from rice husk and straw ash by Yigezu Temesgen Zewide, Temesgen Atnafu Yemata, Adane Adugna Ayalew, Hawi Jihad Kedir, Asab Alemneh Tadesse, Asmarech Yeshaneh Fekad, Alemayehu Keflu Shibesh, Fentahun Adamu Getie, Tegen Dagnew Tessema, Tessera Alemneh Wubieneh, Wondmagegn Wonago Kululo, Muluken Tilahun Mihiret

    Published 2025-01-01
    “…The characterization of RH/RS and silica were performed by employing thermogravimetric (TG) and differential thermal (DT), Fourier transforms infrared spectroscopy (FTIR), X-ray fluorescence spectroscopy (XRF) and Brunner–Emmet–Teller (BET) for confirmation of the silica production. …”
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    Article
  13. 1853

    Photo-Fenton Degradation of RB5 Dye in Aqueous Solution Using Fe Supported on Mexican Natural Zeolite by José Domenzain-Gonzalez, José J. Castro-Arellano, Luis A. Galicia-Luna, Luis Lartundo-Rojas

    Published 2019-01-01
    “…Then, the evaluation reaction was carried out by UV-Vis spectroscopy to know the change in RB5 concentration and chemical oxygen demand (COD) removal to determine the organic carbon. …”
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    Article
  14. 1854

    Analysis of geothermal impact on metabolite compounds of heat-tolerant plant species using clustering and similarity cliff by N.B. Maulydia, K. Khairan, T.E. Tallei, F. Mohd Fauzi, R. Idroes

    Published 2024-10-01
    “…Gas chromatography-mass spectroscopy were conducted to determine chemical compounds from medicinal plants. …”
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  15. 1855

    Biosynthesis, characterization, and in-vitro anticancer effect of plant-mediated silver nanoparticles using Acalypha indica Linn: In-silico approach by Luailik Madaniyah, Saidun Fiddaroini, Elok Kamilah Hayati, Moh. Farid Rahman, Akhmad Sabarudin

    Published 2025-01-01
    “…Characterization of the synthesized AgNPs was conducted using various techniques, including UV-Vis spectroscopy, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), particle size analysis (PSA), and transmission electron microscopy (TEM), confirming the successful synthesis, stability, and spherical morphology of the nanoparticles, with an average diameter of 7 nm and a zeta potential of −24.51 mV. …”
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    Article
  16. 1856
  17. 1857

    Development and application of bimetallic catalysts supported carbon nanotube for 1-propanol electrooxidation by Şefika Kaya

    Published 2022-12-01
    “…Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and chronoamperometry (CA) electrochemical techniques are used to determine 1-propanol electrooxidation activities of the catalysts. …”
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    Article
  18. 1858

    Steel slag as low-cost adsorbent for the removal of phenanthrene and naphthalene by Liyun Yang, Xiaoming Qian, Zhi Wang, Yuan Li, Hao Bai, Hong Li

    Published 2018-05-01
    “…The adsorption characteristics of steel slag were measured and analysed using X-ray fluorescence, X-ray diffraction, and Fourier transform infrared spectroscopy. The batch experiments investigated the effect of the time gradient, pH, and steel slag dosage gradient on the adsorption of the steel slag. …”
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  19. 1859

    Oxide Nanomaterials Based on SnO2 for Semiconductor Hydrogen Sensors by George Fedorenko, Ludmila Oleksenko, Nelly Maksymovych

    Published 2019-01-01
    “…Nanosized tin dioxide with an average particle size of 5.3 nm was synthesized by a sol-gel method and characterized by IR spectroscopy, TEM, X-ray, and electron diffraction. The obtained SnO2 can be used as initial material for creation of gas-sensitive layers of adsorption semiconductor sensors. …”
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    Article
  20. 1860

    Brilliant Green Dye Elimination from Water Using Psidium guajava Leaves and Solanum tuberosum Peels as Adsorbents in Environmentally Benign Way by Rabia Rehman, Tariq Mahmud, Maria Irum

    Published 2015-01-01
    “…The removal of dye was confirmed by UV-VIS spectroscopy. Isothermal modeling was studied by using Langmuir, Freundlich, and Temkin isotherms. …”
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    Article