Showing 761 - 780 results of 842 for search '"infrared spectroscopy"', query time: 0.07s Refine Results
  1. 761

    Development of morphology-dependent nanoselenium carriers for enhancing biological activity and reducing plant stress by Jingyuan Wang, Ronggang Zhai, Yifan Ma, Haoyu Chen, Danyang Jing, Huaiyu Yang, Yi Wang

    Published 2025-02-01
    “…Moreover, through further investigation into the impact of nanopesticides on plant root exudates, Fourier transform infrared spectroscopy (FTIR) and two-dimensional correlation spectroscopy (2D-COS) analysis revealed that the ketone CO bond exhibited the strongest binding affinity, and the CO bond of phenols contributed significantly to the binding of cucumber root exudates induced by NSer@PEN, resulting in a mild response of the plant. …”
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  2. 762

    Improving the Interfacial Bond Properties of the Carbon Fiber Coated with a Nano-SiO2 Particle in a Cement Paste Matrix by Gwang-Hee Heo, Jong-Gun Park, Ki-Chang Song, Jong-Ho Park, Hyung-Min Jun

    Published 2020-01-01
    “…To verify whether a nano-SiO2 particle was effectively modified on the surface of the carbon fiber, the surface morphology, chemical composition, and chemical structure were characterized and analyzed by several techniques such as the scanning electron microscope (SEM), energy-dispersive spectrometer (EDS), and Fourier-transform infrared spectroscopy (FT-IR). Nano-SiO2 particles were entirely covered and uniformly distributed on the surface of the carbon fiber, resulting in the formation of a thin layer of nano-SiO2 particles. …”
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  3. 763

    Synthesis and characteristics of Fe/Ni/Cr oxide nanoparticles/PLA hybrid composite coatings on Mg–Zn–Ca alloy by Prakash Kumar, Aditya Kudva S, AnilKumar T, Ramesh S, M.R. Ramesh, Ashwini Prabhu, Gajanan Anne

    Published 2025-03-01
    “…These composite coatings were evaluated for their morphological and optical characteristics using a scanning electron microscope (SEM), 3-D non-contact profilometer, Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). …”
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  4. 764

    Combined real-time fMRI and real time fNIRS brain computer interface (BCI): Training of volitional wrist extension after stroke, a case series pilot study. by Avi K Matarasso, Jake D Rieke, Keith White, M Minhal Yusufali, Janis J Daly

    Published 2021-01-01
    “…<h4>Objective</h4>Pilot testing of real time functional magnetic resonance imaging (rt-fMRI) and real time functional near infrared spectroscopy (rt-fNIRS) as brain computer interface (BCI) neural feedback systems combined with motor learning for motor recovery in chronic severely impaired stroke survivors.…”
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  5. 765

    Computational and experimental exploration of morpholine pendent 2-hydrazineyl thiazole: Insights from DFT, ADME profiling, antifungal efficacy and molecular docking analyses by Vishnu A. Adole, I.Antony Danish, J.Jebasingh Kores, J.Winfred Jebaraj, S. Janani, Suresh K. Ghotekar, Rakesh D. Amrutkar

    Published 2025-01-01
    “…The functional groups in titled compound were identified using infrared spectroscopy (IR). Chemical shifts were precisely assigned using Nuclear Magnetic Resonance (NMR) analysis. …”
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  6. 766

    Halloysite nanotubes as delivery mechanism for feather protein-based multi-surfactant systems in crude oil dispersion application by Yaw Kwakye Adofo, Emmanuel Nyankson, Benjamin Agyei-Tuffour, Selassie Gbogbo, Christian Amoako, Joseph Arko Morgan, Gloria Pokuaa Manu, Grace Karikari Arkorful

    Published 2025-01-01
    “…Chicken feather protein (CFP), and lecithin (L), Tween 80 (T), and DOSS (D) surfactant systems were loaded onto halloysite nanotubes (HNTs), a natural clay aluminosilicate product to form particulate dispersants at different surfactant concentrations and characterized by Fourier Transform Infrared spectroscopy, thermogravimetric analysis and scanning electron microscopy coupled with EDS. …”
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  7. 767

    Adsorption of Chromium(VI) onto Freshwater Snail Shell-Derived Biosorbent from Aqueous Solutions: Equilibrium, Kinetics, and Thermodynamics by Xuan Hoa Vu, Lan Huong Nguyen, Huu Tap Van, Dinh Vinh Nguyen, Thu Huong Nguyen, Quang Trung Nguyen, L. T. Ha

    Published 2019-01-01
    “…The FSS biosorbent was characterized using nitrogen adsorption/desorption isotherm, X-ray diffraction, scanning electron microscopy with energy dispersive spectroscopy, and Fourier transform infrared spectroscopy. The adsorption mechanism was determined by conducting various batch adsorption experiments along with fitting experimental data with various adsorption models. …”
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  8. 768

    Characterization of Calcium Compounds in Opuntia ficus indica as a Source of Calcium for Human Diet by Isela Rojas-Molina, Elsa Gutiérrez-Cortez, Moustapha Bah, Alejandra Rojas-Molina, César Ibarra-Alvarado, Eric Rivera-Muñoz, Alicia del Real, Ma. de los Angeles Aguilera-Barreiro

    Published 2015-01-01
    “…The characterization of calcium compounds was performed by using Scanning Electron Microscopy, Energy Dispersive Spectrometry, X-ray diffraction, and infrared spectroscopy. Atomic Absorption Spectroscopy and titrimetric methods were used for quantification of total calcium and calcium compounds. …”
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  9. 769

    Individualized autoregulation-guided arterial blood pressure management in neurocritical care by Jonathan R. Gomez, Bhagyashri U. Bhende, Rohan Mathur, L. Fernando Gonzalez, Vishank A. Shah

    Published 2025-01-01
    “…There are various validated methods to measure CA, either invasively, with intracranial pressure or brain tissue oxygenation monitors, or noninvasively, with transcranial Doppler ultrasound or near-infrared spectroscopy. Utilizing these monitors, researchers have been able to discern CA patterns in several pathological states, such as but not limited to acute ischemic stroke, spontaneous intracranial hemorrhage, aneurysmal subarachnoid hemorrhage, sepsis, and post-cardiac arrest, and they have found CA to be altered in these patients. …”
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  10. 770

    Understanding crystallinity indexes benchmarking concept from optimized parametric ionic liquid pretreatment using 1-ethyl-3-methylimidazolium Acetate [EMIM]Ac on oil palm biomass by Amizon Azizan, Rosmaria Abu Darim, Intan Suhada Azmi, Rafidah Jalil, Shareena Fairuz Abdul Manaf

    Published 2025-06-01
    “…Simply using the calculated crystallinity status, for instance, from X-Ray Diffraction or Fourier Transform Infrared Spectroscopy analyses, may assist during the early decisive point regarding pretreatment effectiveness. …”
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  11. 771

    Utilization of Thermal-Activated Coal Gangue to Enhance the Properties of Sandy Soil Composites by Wangtao Fan, Ruofan Liu, Runxia Zhang, Xiaoguang Chen, Jin Li, Aochen Zhang, Jing Qian, Zhaolin Gu, Jianyun Wang

    Published 2025-01-01
    “…The structure and thermal stability of the gangue were characterized using Fourier transform infrared spectroscopy and thermogravimetric analysis. By applying different dosages and different calcination temperatures of the TACG, the water-holding capacity of the mixed soil was determined, and changes in pore structure were observed. …”
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  12. 772

    Isolated FeN3 sites anchored hierarchical porous carbon nanoboxes for hydrazine‐assisted rechargeable Zn‐CO2 batteries with ultralow charge voltage by Sanshuang Gao, Hongyi Li, Zhansheng Lu, Songjie Meng, Xue Zhao, Xinzhong Wang, Xijun Liu, Guangzhi Hu

    Published 2025-01-01
    “…Benefitting from the bifunctional ECO2R and HzOR catalytic activities, the homemade hydrazine‐assisted rechargeable ZCBs assembled with the Fe‐HPCN air cathode exhibited an ultralow charge voltage (decreasing by ~1.84 V), excellent CO selectivity (FECO close to 100%), and high 89% energy efficiency. In situ infrared spectroscopy confirmed that Fe‐HPCN can generate rate‐determining *N2 and *CO intermediates during HzOR and ECO2R. …”
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  13. 773

    Adsorptive Removal of Copper by Using Surfactant Modified Laterite Soil by Tien Duc Pham, Hoang Hiep Nguyen, Ngoc Viet Nguyen, Thanh Tu Vu, Thi Ngoc Mai Pham, Thi Hai Yen Doan, Manh Ha Nguyen, Thi Mai Viet Ngo

    Published 2017-01-01
    “…Characterizations of laterite were examined by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), inductively coupled plasma mass spectrometry (ICP-MS), and total carbon analysis. …”
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  14. 774

    Coloration and functionalization of organic cotton fabric using Chinese fringe leaf extraction: A greener approach by Md Shazzat Hossain, Mohammad Ullah, Rony Mia, Mohammed A. Assiri, Yahui Zhou, Haroon A.M. Saeed, Sakil Mahmud

    Published 2025-03-01
    “…Spectroscopic analyses, including UV−visible (UV−vis) spectroscopy and Fourier transform infrared spectroscopy (FTIR), confirmed the presence of flavonoid compounds as the key bio−colorants in the dye solution. …”
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  15. 775

    Zwitterion Effect of Cow Brain Protein towards Efficiency Improvement of Dye-Sensitized Solar Cell (DSSC) by Denny Widhiyanuriyawan, Prihanto Trihutomo, Sudjito Soeparman, Lilis Yuliati

    Published 2020-01-01
    “…Tests carried out on DSSC that have been performed were X-Ray Diffractometer (XRD) testing to determine the crystal structure formed, Fourier Transform Infrared Spectroscopy (FTIR) testing to determine the functional groups formed on DSSC, Scanning Electron Microscopy (SEM) testing to determine the surface morphological characteristics of the DSSC layer, and testing the efficiency using AM 1.5 G solar simulator (1000 W/m2) to determine the efficiency changes that occur in DSSC. …”
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  16. 776
  17. 777

    Effect of Ionic Liquid Surfactants on Coal Oxidation and Structure by Weiqing Zhang, Shuguang Jiang, Tong Qin, Jianfeng Sun, Chaowei Dong, Qiang Hu

    Published 2019-01-01
    “…The effects of six ionic liquids with surfactant property (1-hydroxyethyl-3-methyl imidazolium bis(trifluoromethylsulfonyl)imide ([HOEtMIm][NTf2]), 1-hydroxyethyl-3-methyl imidazolium tetrafluoroborate ([HOEtMIm][BF4]), 1-dodecyl-3- methyl imidazolium bromide ([C12MIm]Br), 1-tetradecyl-3- methyl imidazolium bromide ([C14MIm]Br), trioctyl methyl ammonium chloride ([N8,8,8,1])Cl, and tetraethyl ammonium chloride ([N2,2,2,2]Cl)) on the oxidation characteristics and functional groups of coal were studied by means of critical micelle concentration, surface tension, thermogravimetric analysis, temperature-programmed oxidation, and Fourier transform infrared spectroscopy (FTIR) measurements. The lower critical micelle concentration for the ionic liquids except the [N2,2,2,2]Cl suggests the favorable surface activity of these ionic liquids. …”
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  18. 778

    A New Nanocomposite for Inducing Demineralized Dentin Remineralization by Ban G, Long J, Yan K, Li Q, Huang X, Wei X, Xie F

    Published 2025-02-01
    “…The solution underwent comprehensive characterization using various techniques, including Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), STEM-EDX mapping, and Selected Area Electron Diffraction (SAED). …”
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  19. 779

    Mn-doped ZnO thin films as a platform for reagentless uric acid biosensor by Bilasini Devi Naorem, Jatinder Pal Singh, Babita Sharma, Satyam Garg, Athira C, Hashima Sherin, Mahima Momaliya, Muskan, Shubhi Sahu, Arijit Chowdhuri, Mallika Verma, Monika Tomar, Neha Batra

    Published 2025-06-01
    “…The Mn-doped thin films of concentrations varying from 3 %,5 %,7 % and 10 % were prepared and further characterized using UV–vis spectroscopy, X-ray diffraction (XRD) spectroscopy, Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM) and cyclic voltammetry (CV) measurements. …”
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  20. 780

    Preparation, characterization, and antibacterial application of cross-linked nanoparticles composite films by Yuxin Zhao, Guanglong Yao, Kaimian Li, Jianqiu Ye, Jian Chen, Jie Zhang

    Published 2025-01-01
    “…The structures of the films were examined by Fourier transform infrared spectroscopy and X-ray diffraction. The results showed that the cross-linked starch, SA, AgNPs, and ZnOs had good biocompatibility and interactions, and the AgNPs and ZnOs had synergistic effects. …”
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