Showing 961 - 980 results of 1,139 for search '"infrared spectroscopy"', query time: 0.07s Refine Results
  1. 961

    Comparison of dark and milk cocoa toppings produced by a five-roll mill and a ball mill by Stožinić Milica, Popović Tijana, Lončarević Ivana, Pajin Biljana, Zarić Danica, Nikolić Ivana, Petrović Jovana

    Published 2024-01-01
    “…Additionally, the values of the yield stress in samples produced in the ball mill were 2-fold higher for the milk cocoa topping and 4.5-fold higher for the dark cocoa topping compared with the values of the samples produced using the five-roll mill and conching. The near-infrared spectroscopy (NIRS) analysis did not show any significant difference among the samples. …”
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  2. 962

    Life cycle assessment for calcination process of flue gas desulfurization gypsum and transformation into β-CaSO4·0.5H2O by Payal Bakshi, Asokan Pappu, Dhiraj Kumar Bharti

    Published 2025-03-01
    “…Effect of calcination on particle size distribution of FGD gypsum is studied along with mineralogical, compositional and morphological analysis by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and field emission scanning electron microscopy-energy dispersive spectroscopy (FESEM-EDS), respectively. …”
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  3. 963

    Magnetic nanoparticles of Nd2Fe14B prepared by ethanol-assisted wet ball milling technique by Younes Mehrifar, Hamed Moqtaderi, Seyedeh Mehri Hamidi, Farideh Golbabaei, Mahdi Hasanzadeh, Somayeh Farhang Dehghan

    Published 2025-01-01
    “…The morphology of the powder and nanoparticles, crystallinity, changes of the samples under temperature, magnetic properties, and the structural bonds were analyzed using field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), vibrating sample magnetometry (VSM), and Fourier-transform infrared spectroscopy (FTIR).The microstructural images revealed that the shape of the particles changed from flat(730 nm) to spherical(76 nm) after WBMT. …”
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  4. 964

    Thiosemicarbazone-Based Compounds: A Promising Scaffold for Developing Antibacterial, Antioxidant, and Anticancer Therapeutics by Agnieszka Czylkowska, Monika Pitucha, Anita Raducka, Ewelina Fornal, Edyta Kordialik-Bogacka, Sylwia Ścieszka, Marek Smoluch, Franciszek Burdan, Mateusz Jędrzejec, Paweł Szymański

    Published 2024-12-01
    “…The structures of the obtained compounds were confirmed using mass spectrometry, infrared spectroscopy, and NMR spectroscopy. Antibacterial activity was evaluated by using the microdilution method, determining the minimum inhibitory concentration (MIC) against a panel of Gram-positive and Gram-negative bacteria. …”
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  5. 965

    Karakteristik komposit bio-foam pati-glukomanan pada variasi formulasi perbandingan foaming agent natrium bikarbonat dengan asam sitrat by I Wayan Arnata, Early Dea Kartika Fiano, I Gusti Ayu Lani Triani

    Published 2025-01-01
    “…The variables observed were density, tensile strength, compressive strength, water adsorption capacity, and functional groups by Fourier-Transform Infrared Spectroscopy (FTIR), surface morphology by Scanning Electron Microscope (SEM), and thermal stability by Thermogravimetric Analyzers/ Differential Thermogravimetric (TGA/DTG). …”
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  6. 966

    Development of Solid Nanosystem for Delivery of Chlorhexidine with Increased Antimicrobial Activity and Decreased Cytotoxicity: Characterization and In Vitro and In Ovo Toxicologic... by Alexandra-Ioana Dănilă, Mihai Romînu, Krisztina Munteanu, Elena-Alina Moacă, Andreea Geamantan-Sîrbu, Iustin Olariu, Diana Marian, Teodora Olariu, Ioana-Cristina Talpoş-Niculescu, Raluca Mioara Cosoroabă, Ramona Popovici, Ştefania Dinu

    Published 2025-01-01
    “…After the characterization of the CHX-NPS nanosystem through infrared spectroscopy and electronic microscopy, the in vitro results showed that the CHX antimicrobial efficacy was enhanced when delivered through a nanoscale system, with improved bioavailability and reduced toxicity when this was tested as the newly CHX-NPS nanosystem. …”
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  7. 967
  8. 968

    New insights in the low-temperature-dependent formation of amorphous titania-coated magnetic polydopamine nanocomposites for the adsorption of methylene blue by Jiangqun Zhang, Xingyu Long, Meng Hu, Wanli Wei, Jiangning Gong, Chun Yang, Pinhua Xia, Anping Wang

    Published 2025-01-01
    “…To analyze the magnetic properties of the core, the amorphous structure of the shell, and the surface properties (size and morphology, elemental composition, functional groups, crystal structure, magnetic properties, etc.) of FPaT, various analytical techniques including scanning electronic microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) were utilized to characterize it. …”
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  9. 969
  10. 970

    Development of vitex-derived polymer nanofibers using electrochemical sensors for the treatment of polycystic ovarian syndrome in rats as an animal model by Zaid H. Mahmoud, Uday Abdul-Reda Hussein, Najwa Aljbory, Mohammed Jawad Alnajar, Laleh Maleknia, Abolfazl Mirani, Ehsan kianfar

    Published 2025-03-01
    “…Materials and methods: Chasteberry-containing nanofibers were identified using Fourier-transform infrared spectroscopy (FTIR), Field Emission Scanning Electron Microscopy (FESEM), and thermal gravimetric analysis (TGA) tests, as well as drug release and antibacterial tests. …”
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  11. 971

    Thermal and ballistic characterization of epoxy matrix composites reinforced with babassu (Attalea speciosa) fiber: An experimental investigation by Lucas Moura Montenegro Reis, Pedro Henrique Poubel Mendonça da Silveira, Yago Soares Chaves, Rafael Travincas Pinto, Lucas de Mendonça Neuba, Sergio Neves Monteiro, Lucio Fabio Cassiano Nascimento

    Published 2025-03-01
    “…Characterization techniques included Fourier transform infrared spectroscopy (FTIR), which revealed interfacial bonding between fibers and the matrix, indicated by the intensification of the band at 1608 cm⁻1. …”
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  12. 972

    Polyurethane-Keratin Membranes: Structural Changes by Isocyanate and pH, and the Repercussion on Cr(VI) Removal by María D. Manrique-Juárez, Ana L. Martínez-Hernández, Oscar F. Olea-Mejía, Jaime Flores-Estrada, José L. Rivera-Armenta, Carlos Velasco-Santos

    Published 2013-01-01
    “…The effects of using diphenyl-methane-diisocyanate or toluene-diisocyanate and modifying the pH in keratin solutions were evaluated by scanning electron microscopy, Fourier transform infrared spectroscopy, and dynamical mechanical analysis. …”
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  13. 973

    Structural Characterization and Antioxidant Activity in Vivo of Polysaccharides from the Leaves of Hippophae rhamnoides L. by Niannian SONG, Yuxin YI, Xiaoping ZHANG, Bo YANG, Mangsier SAINAWAER, Abuduwaili AYITUXUN

    Published 2025-02-01
    “…The structure of HRLP-2 was identified based on the analysis of liquid chromatography, gas chromatography, UV, infrared spectroscopy, circular dichroism, Congo red experiment, as well as partial acid hydrolysis, periodate oxidation, and Smith degradation methods. …”
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  14. 974

    Electrochemical determination of mercury in surface water samples using Au nanoparticles /electrochemically reduced graphene oxide modified electrode by Ha Thuy Trang, Ho Xuan Anh Vu, Pham Khac Lieu, Tran Ngoc Tuyen, Huynh Van Chung, Ho Van Thanh, Hoang Ho Thuy Duong, Nguyen Hai Phong, Nguyen Dinh Luyen, Dinh Quang Khieu

    Published 2025-01-01
    “…The modified electrode surface and the obtained materials were characterized by using a range of analytical techniques, including x-ray diffraction, Fourier Infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, energy-dispersive x-ray spectroscopy, elemental distribution maps, and electrochemical impedance spectroscopy. …”
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  15. 975

    Removal of 2,4-Dichloro Phenoxy Acetic Acid by Silica Particles Obtained from the Siliceous Sand of Houeyogbe(Republic of Benin) by Houefaannick Leslie Glitho, Etienne V. Sagbo, Sèmiyou A. Osseni, Sidoine S. Bonou, Arthur Cakpo, Ignace Agani, Armel Laibi, Wariskéwouyèmi Chouti

    Published 2024-11-01
    “…Analysis by X-ray diffraction, infrared spectroscopy, and scanning electron microscopy revealed the formation of pure amorphous silica with spherical shapes. …”
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  16. 976

    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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  17. 977

    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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  18. 978

    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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  19. 979

    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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  20. 980

    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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