Showing 3,641 - 3,660 results of 4,095 for search '"spectroscopy"', query time: 0.07s Refine Results
  1. 3641

    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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  2. 3642

    Doxycycline-integrated silk fibroin hydrogel: preparation, characterizations, and antimicrobial assessment for biomedical applications by Kranti Kiran Reddy Ealla, Chandra Sri Durga, Vikas Sahu, Neema Kumari, Jayachandran Venkatesan, Vishnu Priya Veeraraghavan, Pratibha Ramani, Kiran Kumar Bokara, Karthikeyan Ramalingam

    Published 2025-02-01
    “…Methods Silk fibroin (SF) - doxycycline hyclate (DH) hydrogel was developed and subsequently characterized for gelation kinetics, swelling, stress-strain analysis, morphology using scanning electron microscopy, interaction between SF and DH using Fourier transform infrared (FT-IR) spectroscopy, drug release profile, antibacterial efficacy, and biocompatibility studies. …”
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  3. 3643

    Synthesis of Mannich N-bases based on benzimidazole derivatives using SiO2OAlCl2 catalyst and their potential as antioxidant, antibacterial, and anticancer agents by Antonius Herry Cahyana, Ikrimah Desta, Laely Amaliyah, Aida Nadia, Hilna Diana Sahaya, Dicky Annas, Bayu Ardiansah, Mohammad Jihad Madiabu, Inda Mapiliandari, Kang Hyun Park

    Published 2025-01-01
    “…The results showed that the catalyst was successfully synthesized and characterized by The Fourier transform infrared (FTIR), X-ray diffraction (XRD), and Scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS). The purity of the synthesized compounds was monitored by Thin layer chromatography (TLC), melting point test, Ultraviolet-visible (UV–Vis), and Liquid chromatography-Mass spectrometry (LC-MS). …”
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  4. 3644

    Green synthesis of biocompatible fluorescent carbon dots from bitter gourd for effective metal sensing and biological applications by V. Renuga, X. Vinoliya, A. Dinesh, S. Suthakaran, Manikandan Ayyar, V. Mohanavel, Lalitha Gnanasekaran, Prabhu Paramasivam, R. Bousbih, M. Khalid Hossain, A. Rajendran, S. Santhoshkumar

    Published 2025-02-01
    “…The optical properties, luminescence, phase formation and crystal structure were measured using UV–Visible spectroscopy (UV–Vis), Photoluminescence (PL), X-ray diffraction (XRD) and Transmission electron microscopy (TEM) by varying the medium from acidic to basic by changing its pH (2−12) and temperature range (180-300οC) to assess the exact nature and properties of the synthesized C-dots. …”
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  5. 3645
  6. 3646

    Novel methods for the detection of glutathione by surface-enhanced Raman scattering: A perspective review by Mohammad Kamal Hossain, Genin Gary Huang, Mohammad Mozahar Hossain

    Published 2025-01-01
    “…In order to grasp the situation at hand, biomolecule detection—specifically, GSH detection schemes—was briefly discussed. SERS spectroscopy and its associated terminology were then covered followed by the perspective and outlook of GSH detection at the end. …”
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  7. 3647

    Physical, Physicochemical, Mechanical, and Sensory Properties of Bioplastics from Phosphate Acetylated Arenga Starches by Abdul Rahim, Safitri Dombus, Syahraeni Kadir, Muhardi Hasanuddin, Syamsuddin Laude, Jusman Aditya, Steivie Karouw

    Published 2020-05-01
    “…The thickness, water holding capacity (WHC), oil holding capacity (OHC), water vapor transmission rate (WVTR), water content, biodegradation, Fourier transform infrared (FT-IR) spectroscopy, tensile strength, elongation at break, Young’s modulus, and sensory properties of the NAS and PAAS bioplastics were investigated. …”
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  8. 3648

    On the Stability of Graphene-Based Aqueous Dispersions and Their Performance in Cement Mortar by Teresa Gerace, Sebastiano Candamano, Simone Bartucci, Carlo Poselle Bonaventura, Alfonso Policicchio, Raffaele Giuseppe Agostino, Milena Marroccoli, Antonio Telesca, Mariano Davoli, Andrea Scarcello, Lorenzo S. Caputi, Daniela Pacilè

    Published 2025-01-01
    “…Their exfoliation was analyzed using Raman spectroscopy, and the stability of the dispersions was quantitatively investigated by means of the static multiple light scattering (SMLS) technique. …”
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  9. 3649

    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. Results show that pH has a strong influence on morphology and on Cr(VI) removal efficiency. …”
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  10. 3650

    Microstructure and tribological properties of WC-12Ni/Cu composite coating prepared by laser cladding on 45 steel surface by Fulong Zhang, Junquan Zhang, Lu Ping, Zhang Wentao, Shuangyu Liu, Huang Chuanjin, Zhang Qiushi, Bo Cui, Wang Binhua

    Published 2025-01-01
    “…The microstructure of the cladding layers was analyzed by optical microscopy (OM), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDS). The microhardness of the composite coatings was tested using microhardness Vickers (MHV), and the tribological performance of the composite coatings was evaluated using the friction and wear testing machine (F&WM). …”
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  11. 3651

    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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  12. 3652

    Graphene nanomaterial-based electrochemical biosensors for salivary biomarker detection: A translational approach to oral cancer diagnostics by D. Mahalakshmi, J. Nandhini, G. Meenaloshini, E. Karthikeyan, KK Karthik, J. Sujaritha, Vandhana, V, C. Ragavendran

    Published 2025-12-01
    “…Various electrochemical detection techniques, such as cyclic voltammetry, differential pulse voltammetry, electrochemical impedance spectroscopy, field-effect transistors, amperometry, chronoamperometry, and photoelectrochemical methods, are explored in the context of graphene-based biosensors. …”
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  13. 3653

    Simulation of the effect of absorption by atmospheric water vapor on the results of non-contact temperature measurements by A. B. Ionov, N. S. Chernysheva, B. P. Ionov, M. A. Ryabova

    Published 2023-09-01
    “…On the basis of the simulation performed using the MATLAB system and the HITRAN molecular spectroscopy database, the values of random and systematic errors are calculated for four measurement situations typical of industrial conditions that differ in the level of absorption by water vapor. …”
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  14. 3654

    Fabrication of taxifolin loaded zein-caseinate nanoparticles and its bioavailability in rat by Ying Li, Hang Su, Wenjun Wang, Zhongping Yin, Jing’en Li, En Yuan, Qingfeng Zhang

    Published 2023-11-01
    “…The dynamic variation of taxifolin and its metabolites in plasma were then quantified by UPLC with a triple-quadrupole typemass spectroscopy (UPLC-QqQ-MS/MS). A pharmacokinetic study showed that the bioavailability of taxifolin increased from 0.35 % to 0.52 % through TZP fabrication. …”
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  15. 3655

    Biosynthesis of reduced graphene oxide using Turbinaria ornata and its cytotoxic effect on MCF‐7 cells by K. M. Smita, L. Stanley Abraham, V. Ganesh Kumar, Raguraman Vasantharaja, R. Thirugnanasambandam, Ajit Antony, K. Govindaraju, T. Senthil Velan

    Published 2021-06-01
    “…Biofunctionalized reduced graphene oxide (TrGO) nanosheets were synthesized using methanol extract of Turbinaria ornata, and bioreduction of graphene oxide was primarily confirmed and characterized using UV‐visible, Fourier transform infrared (FTIR), and X‐ray diffraction spectroscopy and further characterized by zeta potential and transmission electron microscopy. …”
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  16. 3656

    Chemical Pressure-Induced enhancement of electrochemical performance in Ni1-X CuxTe2 (X = 0 and 0.10) layered compounds by Rajkumar Sokkalingam, Manikandan Krishnan, Jesman Sthevan Kovil Pitchai, Sivakumar Periyasamy, Arjun Kumar Bojarajan, Arumugam Sonachalam, Sambasivam Sangaraju

    Published 2025-02-01
    “…The elemental composition was analyzed via X-ray photoelectron spectroscopy (XPS). The electrochemical measuring results demonstrated that the Ni1-XCuXTe2 (X = 0 and 0.10) composite electrodes exhibit improved electrocatalytic activity, with 360 and 544 F/g capacitances, respectively. …”
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  17. 3657

    Expired Chicken Egg-White Extract’s Adsorption Behavior As a Corrosion Inhibitor for Carbon Steel in 1M HCl by Esseddik Elqars, Mohamed Guennoun, Aicha Ouarhach, Noufissa Sqalli Houssini, Mohammed Elhafdi, Abdelhafid Essadki, Mohamed Ait chaoui, Taibi Nbigui

    Published 2021-01-01
    “…L−1) of extracts, and electrochemical measurements (potentiodynamic polarization (PDP) and impedance spectroscopy (EIS) at 25°C and different concentrations. …”
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  18. 3658

    Preparation and Gas-Sensitive Properties of SnO<sub>2</sub>@Bi<sub>2</sub>O<sub>3</sub> Core-Shell Heterojunction Structure by Jin Liu, Yixin Gao, Yuanyuan Lv, Mengdi Yang, Haoru Guo, Neng Li, Danyang Bai, Anyi Wang

    Published 2025-01-01
    “…The SnO<sub>2</sub>@Bi<sub>2</sub>O<sub>3</sub> core-shell heterojunction structure was designed and synthesized via a hydrothermal method, and the structure and morphology of the synthesized samples were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). Based on the conclusions from XRD and SEM, it can be observed that as the hydrothermal temperature increases, the content of Bi<sub>2</sub>O<sub>3</sub> coated on the surface of SnO<sub>2</sub> spheres gradually increases, and the diameter of Bi<sub>2</sub>O<sub>3</sub> nanoparticles also increases. …”
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  19. 3659

    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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  20. 3660

    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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