Showing 2,741 - 2,760 results of 4,095 for search '"spectroscopy"', query time: 0.11s Refine Results
  1. 2741

    Estimation of Volatile Organic Compounds (VOCs) and Human Health Risk Assessment of Simulated Indoor Environment Consisting of Upholstered Furniture Made of Commercially Available... by Alena Capíková, Daniela Tesařová, Josef Hlavaty, Adam Ekielski, Pawan Kumar Mishra

    Published 2019-01-01
    “…The concentrations of VOC and TVOC were identified and quantified using a Gas chromatography–Mass spectroscopy (GC-MS) based method. Based on the VOC measurements, the standard room concentrations were simulated to estimate the human health risk assessment for all six types of foams. …”
    Get full text
    Article
  2. 2742

    The Synthesis, Characterization and Biological Activity of Some Metal Ions Complexes with Schiff’s Bases Derived from Reaction of 3-Hydrazone-1,3- Dihydro-Indole-2-One with 2- Pyri... by safa sami Muwafaq, Naser Shaalan

    Published 2025-01-01
    “…Chloride-containing, atomic absorption, molar conductance, and magnetic susceptibility have all been used to identify these compounds. Utilizing mass spectroscopy, the molecular ion peak was found at m/e 251.01, confirming the formula weight for L, which matches the estimated m+ value (250.26). …”
    Get full text
    Article
  3. 2743

    Preparation and Properties of Oat Protein Amyloid Aggregate-Sodium Carboxymethyl Cellulose Composite Film by Liangliang WANG, Miaomiao HAN, Chongjiang CAO, Feng ZHOU

    Published 2025-02-01
    “…The microstructure and properties of the composite films were studied by Fourier infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). …”
    Get full text
    Article
  4. 2744
  5. 2745

    Effect of Graphene Nanoplatelets as Lubricant Additive on Fuel Consumption During Vehicle Emission Tests by Eduardo Tomanik, Wania Christinelli, Pamela Sierra Garcia, Scott Rajala, Jesuel Crepaldi, Davi Franzosi, Roberto Martins Souza, Fernando Fusco Rovai

    Published 2025-01-01
    “…The graphene material was initially characterized using scanning electron microscopy (SEM) and Raman spectroscopy, which revealed the predominance of graphene nanoplatelets (GNPs) with an average of nine layers. …”
    Get full text
    Article
  6. 2746

    In-Pile 4He Source for UCN Production at the ESS by Esben Klinkby, Konstantin Batkov, Ferenc Mezei, Eric Pitcher, Troels Schönfeldt, Alan Takibayev, Luca Zanini

    Published 2014-01-01
    “…A production in this range potentially allows for a number of UCN experiments to be carried out at unprecedented precision, including, for example, quantum gravitational spectroscopy with UCNs which rely on high phase-space density.…”
    Get full text
    Article
  7. 2747

    Printed circuit board recycling: a focus on a novel, efficient and sustainable process for spent critical metals recovery by Charpentier, Nicolas M., Xia, Dong, Gabriel, Jean-Christophe P.

    Published 2024-05-01
    “…These ECs are then subjected to a classification process using advanced sorting techniques, including machine vision and multi-energy X-ray transmission spectroscopy powered by artificial intelligence, which allows ECs with similar elemental composition to be accurately sorted together. …”
    Get full text
    Article
  8. 2748

    Phenol Red Adsorption from Aqueous Solution on the Modified Bentonite by Nguyen Le My Linh, Tran Duong, Hoang Van Duc, Nguyen Thi Anh Thu, Pham Khac Lieu, Nguyen Van Hung, Le Thi Hoa, Dinh Quang Khieu

    Published 2020-01-01
    “…X-ray diffraction (XRD), thermal analysis (TG-DTA), infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and nitrogen adsorption/desorption isotherms were utilized to characterize the resultant modified bentonites. …”
    Get full text
    Article
  9. 2749

    Electrochemical Denitrification of Synthetic Aqueous Solution and Actual Contaminated Well Water: RSM Modeling, Kinetic Study, Monte Carlo Optimization, and Sensitivity Analysis by Fahimeh Shamseali, Farzaneh Mohammadi, Hamidreza Pourzamani, Mahsa Janati

    Published 2022-01-01
    “…Scanning electron microscope (SEM), X-ray diffraction analyzer (XRD), and Fourier transform infrared spectroscopy (FTIR) characterized electrodes were performed before and after all experiments. …”
    Get full text
    Article
  10. 2750

    Effect of residual carbon on crystallization and solidification behavior of coal gasification coarse slag by Ze Meng, Rongsheng Xu, Qian Feng, Xiongchao Lin, Mei Li

    Published 2025-01-01
    “…The experimental approach involves the utilization of various techniques, namely ash fusion temperature (AFT) tests, X-ray fluorescence spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), differential thermal analysis (DSC), and K-value semiquantitative analysis. …”
    Get full text
    Article
  11. 2751

    Application of a new type of Si–Al porous clay material as a solid phase support for immobilizing sp. PM3 to treat domestic sewage by Binhui Jiang, Yu Li, Haiyan Wang, Liping Jia, Fei Huang, Xiaomin Hu

    Published 2019-12-01
    “…The porous clay material W was characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy indicating that porous clay material W was a type of mullite with 63.52 m 2 /g specific surface area. …”
    Get full text
    Article
  12. 2752

    Effect of the sintering temperature on the electrical properties of Y–Al‐doped ZnO varistors by Lei Wang, Hang Zhang, Kexin Zhang, Yubo Shen, Limin Qu, Yue Yin, Pengfei Meng, Jingke Guo

    Published 2025-01-01
    “…Through C--V characteristic testing, X‐ray diffraction and energy dispersive X‐ray spectroscopy analysis, it was found that the increase in sintering temperature promoted the formation of interface negative charge and defect reactions by Y3+, increasing Ni and Nd; Al3+ tends to aggregate in the grain area, further increasing Nd; the volatilization of Bi3+ gradually increases, causing a decrease in Ni; the Φb first increases and then decreases with the changes in Ni and Nd, resulting in a U‐shaped variation characteristic of the nonlinear coefficient and leakage current density. …”
    Get full text
    Article
  13. 2753

    Kinetic Study on the CsXH3−X PW12O40/Fe-SiO2 Nanocatalyst for Biodiesel Production by Mostafa Feyzi, Leila Norouzi, Hamid Reza Rafiee

    Published 2013-01-01
    “…Characterization of catalyst was carried out by using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform-infrared spectroscopy (FT-IR), N2 adsorption-desorption measurements methods, thermal gravimetric analysis (TGA), and differential scanning calorimetry (DSC).…”
    Get full text
    Article
  14. 2754

    Preparation of Ginsenoside Rg3 and Protection against H2O2-Induced Oxidative Stress in Human Neuroblastoma SK-N-SH Cells by Gang Li, Xiao-xiao Zhang, Lin Lin, Xiao-ning Liu, Cheng-jun Ma, Ji Li, Chi-bo Wang

    Published 2014-01-01
    “…The aim of this study is to evaluate the protection of ginsenoside Rg3 against oxidative stress in human neuroblastoma SK-N-SH cells. 20(R)-ginsenoside Rg3 (20(R)-Rg3) and 20(S)-ginsenoside Rg3 (20(S)-Rg3) were prepared by the method of chemical degradation and column chromatography, and the structure of the two compounds was characterized by 1H-NMR and 13C-NMR spectroscopy. MTT assay and LDH leakage assay were used to determine the cell viability and the oxidative stress cellular model was established by means of H2O2 (600 μM for 4 h). …”
    Get full text
    Article
  15. 2755

    Macroscopic perspective on phase transition behavior of natural single-crystal graphite under different pressure environments by Xiaoshuang Yin, Songyang Li, Lijuan Wang, Peiyuan Liu, Zhihai Cheng, Huiyang Gou, Liuxiang Yang

    Published 2025-01-01
    “…Here, we report on the pressure-induced phase transition behavior of natural single-crystal graphite under three distinct pressure-transmitting media from a macroscopic perspective using in situ two-dimensional Raman spectroscopy, scanning electron microscopy, and atomic force microscopy. …”
    Get full text
    Article
  16. 2756

    A Novel Cortex Phellodendri Chinensis–Based Carbon Dots Platform for Remarkable Analgesia for Clinical Pain Management by Huimin Peng, Xingxing Zeng, Songbai Li, Xin Wang

    Published 2024-11-01
    “…These included UV‐Vis, FTIR, fluorescence spectroscopy and HR‐TEM, DLS instruments. HR‐TEM results exhibited the presence of homogenous spherical‐shaped C‐dots of about 3.3 nm without aggregates. …”
    Get full text
    Article
  17. 2757

    Peroxidase-like activity of citrate-functionalized magnetite nanoparticles augmented its antibacterial potency by Haitham Al-Madhagi, Abd Alraouf Tarabishi, Fatima Al-Zahra Hamsho, Zaher Tahan, Lama Alchab, Wassim Abdelwahed

    Published 2025-01-01
    “…The nanoparticles were prepared using coprecipitation method and characterized using UV–visible spectrophotometry, Fourier-transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), zeta potential, magnetism and atomic force microscopy (AFM). …”
    Get full text
    Article
  18. 2758

    Morphological Effect of CNT/TiO2 Nanocomposite Photoelectrodes Dye-Sensitized Solar Cell on Photovoltaic Performance with Various Annealing Temperatures by Mohd Zikri Razali, Huda Abdullah, Izamarlina Asaahari

    Published 2015-01-01
    “…The photovoltaic performance was analyzed using IV curve and electrochemical impedance spectroscopy (EIS). The thin films annealed at 750°C had the highest energy conversion efficiency at 5.23%. …”
    Get full text
    Article
  19. 2759

    Time-Dependent Variations in Structure of Sheep Wool Irradiated by Electron Beam by Zuzana Hanzlíková, Michael Kenneth Lawson, Peter Hybler, Marko Fülöp, Mária Porubská

    Published 2017-01-01
    “…Time variations of the wool structure were measured using FTIR, Raman, and EPR spectroscopy. The aim was to determine whether preexposure treatment of the wool, as well as postexposure time, affects the properties of the irradiated wool. …”
    Get full text
    Article
  20. 2760

    A versatile gold leaf immunosensor with a novel surface functionalization strategy based on protein L and trastuzumab for HER2 detection by Ivana Kundacina, Silvia Schobesberger, Stefan Kittler, Helena Thumfart, Oliver Spadiut, Peter Ertl, Nikola Ž. Knežević, Vasa Radonic

    Published 2025-01-01
    “…Further binding of trastuzumab to the protein L was employed and HER2 detection was achieved through electrochemical impedance spectroscopy (EIS). The HER2 detection was examined in phosphate-buffered saline (PBS) and supplemented cell culture medium. …”
    Get full text
    Article