Showing 3,381 - 3,400 results of 4,095 for search '"spectroscopy"', query time: 0.10s Refine Results
  1. 3381

    Facile Synthesis of Propranolol and Novel Derivatives by Vy Anh Tran, Nguyen Hai Tai Tran, Long Giang Bach, Trinh Duy Nguyen, Thi Thuong Nguyen, Tan Tai Nguyen, Thi Anh Nga Nguyen, The Ky Vo, Thu-Thao Thi Vo, Van Thuan Le

    Published 2020-01-01
    “…Mass spectrometry and 1H-NMR spectroscopy were applied to identify new compounds structure. …”
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    Article
  2. 3382

    Investigating the effect of synthetic cobalt and nickel oxide nanoparticles on the growth and physiology of Mungbean (Vigna radiata L.) seedlings, and exploring tunable magnetism s... by Anjali Joshi, Simranjeet Kaur, Pargat Singh, Havneet Singh, Keya Dharamvir, Harsh Nayyar, Gaurav Verma

    Published 2025-02-01
    “…Structural and compositional analyses via Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and transmission electron microscopy (TEM) confirmed nanoparticle crystallinity, size, and morphology. …”
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  3. 3383

    In Vitro Antibacterial, Antioxidant, Cytotoxicity Activity, and In Silico Molecular Modelling of Compounds Isolated from Roots of Hydnora johannis by Teshome Degfie, Milkyas Endale, Muhdin Aliye, Rajalakshmanan Eswaramoorthy, Tariku Nefo Duke, Aman Dekebo

    Published 2024-01-01
    “…Analyzing phytochemical composition of dichloromethane/methanol (1 : 1) root part of Hydnora johannis gave oleic acid (1), caffeic acid-2-hydroxynonylester (2), catechin (3), and a pregnane derivative (4). NMR spectroscopy was used to characterize compounds 1–3, while compound 4 was identified through GC-MS analysis and literature comparison. …”
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  4. 3384

    Citric acid vapor-assisted crosslinking of zein/PEG composite nanofiber membrane embedded with nisin by electrospinning for the cooled goose meat preservation by Lanlan Wei, Shuaijie Zhu, Guoyuan Xiong, Jingjun Li, Wangang Zhang

    Published 2025-01-01
    “…Studies using thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR) validated the effectiveness nisin encapsulation and molecular interactions. …”
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    Article
  5. 3385

    Bismuthyl chloride/poly(m-toluidine) nanocomposite seeded on poly-1H pyrrole: Photocathode for green hydrogen generation by Alnuwaiser Maha Abdallah, Rabia Mohamed, Elsayed Asmaa M.

    Published 2024-12-01
    “…X-Ray photoelectron spectroscopy analysis confirms the formation of bismuth oxide intercalated within the polymer network through a chemical reaction, resulting in the creation of bismuth oxide chloride (BiOCl). …”
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  6. 3386

    Supercapacitor Cell Performance with Bacterial Nanocellulose and Bacterial Nanocellulose/Polybenzimidazole Impregnated Membranes as Separator by Hristo Penchev, Galia Ivanova, Venelin Hubenov, Ivanka Boyadzieva, Desislava Budurova, Filip Ublekov, Adriana Gigova, Antonia Stoyanova

    Published 2025-01-01
    “…The BNC membranes were then doped with a 6 M KOH solution, to enhance OH<sup>−</sup> conductivity, and characterized using optical microscopy, ATR FT-IR, XRD, CVT, BET analysis, and impedance spectroscopy. Both BNC and BNC/PBI membranes were tested as separators in laboratory-scale symmetric supercapacitor cells, with performance compared to a commercial Viledon<sup>®</sup> separator. …”
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    Article
  7. 3387

    Formulation, Characterization, Antibacterial Activity, Antioxidant Activity, and Safety Evaluation of <i>Camphora longepaniculata</i> Essential Oil Nanoemulsions Through High-Press... by Yue Yan, Changhe Wei, Xin Liu, Xin Zhao, Shanmei Zhao, Shuai Tong, Guoyou Ren, Qin Wei

    Published 2024-12-01
    “…The formation of nanoemulsions was verified by Fourier transform infrared spectroscopy and transmission electron microscopy. Homogenized nanoemulsions had smaller particle sizes of 39.99 ± 0.47 nm and exhibited enhanced stability. …”
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  8. 3388

    Microplastic pollution of the Zrafshan river tributary in Samarkand and Navoi regions of the Republic of Uzbekistan by Alijon Khusanov, Ozodbek Sabirov, Yulia Frank, Danil Vorobev, Egor Vorobev, Svetlana Rakhmatullina, Sherzodbek Tashbaev, Sarvinoz Mamatkarimova, Abdumukhtar Yakhyoyev, Mukhammadyusuf Juraev, Ilyas Isakov, Dilyor Karimjonov, Islomjon Zokirov, Ikrom Abdullaev

    Published 2025-03-01
    “…Laboratory processing included oxidation of organic matter with hydrogen peroxide and separation of plastic particles by density separation. Raman spectroscopy was used to identify the polymer composition. …”
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  9. 3389

    Improving 10-year cardiovascular risk prediction in patients with type 2 diabetes with metabolomics by Ruijie Xie, Teresa Seum, Sha Sha, Kira Trares, Bernd Holleczek, Hermann Brenner, Ben Schöttker

    Published 2025-01-01
    “…A total of 249 metabolites were measured with nuclear magnetic resonance (NMR) spectroscopy. Sex-specific LASSO regression with bootstrapping identified significant metabolites. …”
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  10. 3390

    Enhanced Photocatalytic Degradation of Methylene Blue Dye Using Co3O4 Nanoparticles from the Fruit Extracts of Diplocyclos palmatus (L) C. Jeffrey for Wastewater Remediation by Parethe Gurusamy Thangam, Rajesh Pattulingam, Velmani Vellaiyan, Balaji Murugaesan, Kavica Sathasivam

    Published 2024-08-01
    “…The nanoparticles were characterized for UV- visible light spectra, XRD analysis, Scanning electron microscopy (SEM) and energy - dispersive X-ray (EDX) spectroscopy showing their irregular, small particles with stakes of various sizes. …”
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  11. 3391
  12. 3392
  13. 3393

    Aerosol Measurements over India: Comparison of MAX-DOAS Measurements with Ground-based (AERONET) and Satellite-based (MODIS) Data by Prithviraj Mali, Mriganka Sekhar Biswas, Steffen Beirle, Thomas Wagner, Shrivardhan Hulswar, Swaleha Inamdar, Anoop S. Mahajan

    Published 2023-11-01
    “…Abstract In this study, we present ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of aerosols from two urban locations (Delhi and Pune) and one high-altitude rural location (Mahabaleshwar) in India. …”
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  14. 3394

    Smart Zinc-Based Coatings with Chitosan–Alginate Nanocontainers Loaded with ZnO and Caffeine for Corrosion Protection of Mild Steel by Kamelia Kamburova, Nelly Boshkova, Tsetska Radeva, Nikolai Boshkov

    Published 2025-01-01
    “…Dynamic light scattering and laser Doppler velocimetry measurements are used for evaluation of the size distribution and zeta potentials of the nanocontainers, both loaded or unloaded with CAF. Using UV-spectroscopy, entrapment efficiency and release amounts of CAF are quantitatively evaluated. …”
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  15. 3395

    Selective Solid-Phase Extraction of Pb(II) Ions Using an Ion-Imprinted Functionalized Sodium Trititanate Whisker Adsorbent Prepared by a Surface-Imprinting Technique by Wanzhen Xu, Wenming Yang, Wei Zhou

    Published 2010-07-01
    “…The prepared sorbent was characterized by Fourier-transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). …”
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  16. 3396

    Characteristics and bioinformatics of peptides from natural and cultured sandfish (Holothuria scabra) by Pawitporn Daopa, Chakkapat Aenglong, Sittiruk Roytrakul, Teerasak E-kobon, Xue Zhao, Wanwimol Klaypradit

    Published 2025-06-01
    “…The hydrolysates were analyzed for amino acid composition, protein molecular weight distribution, functional groups using FTIR spectroscopy, LC-MSMS analysis coupled with bioinformatics for protein and peptide identification, and mineral profile. …”
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  17. 3397

    Synthesis of Zinc Oxide (ZnO)-Titanium Dioxide (TiO2)-Chitosan-Farnesol Nanocomposites and Assessment of Their Anticancer Potential in Human Leukemic MOLT-4 Cell Line by Abozer Y. Elderdery, Badr Alzahrani, Siddiqa M. A. Hamza, Gomaa Mostafa-Hedeab, Pooi Ling Mok, Suresh Kumar Subbiah

    Published 2022-01-01
    “…After synthesizing the NCs, characterization of the same was carried out using XRD, DLS, FESEM, TEM, PL, EDX, and FTIR spectroscopy. To analyze its anticancer activity, MOLT-4 cells were cultured and treated at diverse dosages of NCs. …”
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    Article
  18. 3398

    Dose-dependent enhancement of in vitro osteogenic activity on strontium-decorated polyetheretherketone by Yongheng Zhang, Lvhua Liu, Mengqi Li, Shufu Wang, Jingjing Fu, Mingyuan Yang, Chunxi Yan, Ying Liu, Yanyan Zheng

    Published 2025-01-01
    “…X-ray photoelectron spectroscopy and ion release assay results confirm that different concentrations of Sr are incorporated onto the PEEK substrate surfaces. …”
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  19. 3399

    Effect of crack template structure morphology on electromagnetic shielding efficiency and visual performance of metal mesh optical window by Liqing Yang, Yongmao Guan, Fei Gao, Rui Wan, Pengfei Wang

    Published 2025-03-01
    “…DP1, made with water, exhibited the highest edge warping (1.5 µm), whereas DP4, using ethylene glycol and glycerol, showed the least warping (0.3 µm). Infrared spectroscopy revealed that hydrogen bonding in the solvents influenced crack formation, resulting in narrower cracks and smaller periods. …”
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    Article
  20. 3400

    Retrieval of NO2 Columns by Exploiting MAX-DOAS Observations and Comparison with OMI and TROPOMI Data during the Time Period of 2015–2019 by Ahmad Iqbal, Naveed Ahmad, Hassan Mohy ud Din, Michel Van Roozendael, Muhammad Shehzaib Anjum, Muhammad Zeeshan Ali Khan, Muhammad Fahim Khokhar

    Published 2022-05-01
    “…This study presents an intercomparison of NO2 retrieval settings using the Differential Optical Absorption Spectroscopy (DOAS) and based on the literature published over the last 20 years. …”
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    Article