Showing 2,981 - 3,000 results of 3,204 for search '"spectroscopy"', query time: 0.08s Refine Results
  1. 2981

    Comparing the Structural and Physicochemical Properties of Highland Barley <i>β</i>-Glucan from Different Sources: A Focus on Color by Ping Yu, Xuemin Kang, Pengfei Liu, Zhengzong Wu, Yue Cheng, Bo Cui, Wei Gao

    Published 2025-01-01
    “…Additionally, Fourier transform infrared (FT-IR) spectroscopy revealed that the <i>β</i>-linkage of LBG had a greater capacity to develop stronger hydrogen bonds, due to the absence of 3,4-Glc(p). …”
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  2. 2982

    Synthesis, Characterization, and Catalytic Studies of Mn(III)-Schiff Base-Dicyanamide Complexes: Checking the Rhombicity Effect in Peroxidase Studies by Manuel R. Bermejo, Rocío Carballido, M. Isabel Fernández-García, Ana M. González-Noya, Gustavo González-Riopedre, Marcelino Maneiro, Laura Rodríguez-Silva

    Published 2017-01-01
    “…The organic compounds H2L1 and H2L2 have been characterized by elemental analysis, IR, 1H and 13C NMR spectroscopies and mass spectrometry electrospray (ES). …”
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  3. 2983

    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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    Article
  4. 2984

    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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  5. 2985

    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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    Article
  6. 2986

    Asparagus officinalis polysaccharide-loaded liposomal gels alleviate skin inflammation via inhibiting the NF-κB/MAPK pathways by Rongrui Zhang, Yu Xiong, Yujin Ma, Yafei Ma, Nuo Li, Yan Ren, Lili He, Lu Han, Jun Ni, Zhi-xiang Yuan

    Published 2025-02-01
    “…WAPS, a pectin polysaccharide, was identified to coexist with α-glycosidic and β-glycosidic linkages glucan and probably has triple-helix confirmation suggested by Fourier-transform infrared and nuclear magnetic resonance spectroscopy. Cellular experiments indicated that WAPS attenuated the expression of inflammatory cytokines and enhanced macrophage viability. …”
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  7. 2987

    Small- to Large-Scale Electron Beam Powder Bed Fusion of Functionally Graded Steels by Carlos Botero, William Sjöström, Emilio Jimenez-Pique, Andrey Koptyug, Lars-Erik Rännar

    Published 2024-12-01
    “…For the microstructural analysis, optical microscopy, scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX) were performed on the polished cross-sections. …”
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  8. 2988

    Comparative Analysis of Chemical Composition and Antibacterial Activity of Essential Oils from Five Varieties of <i>Lavender</i> Extracted via Supercritical Fluid Extraction by Lijing Lin, Zhencheng Lv, Meiyu Wang, Ankang Kan, Songling Zou, Bin Wu, Limin Guo, Salamet Edirs, Jiameng Liu, Lin Zhu

    Published 2025-01-01
    “…This study aimed to determine the chemical composition of five <i>Lavender</i> essential oils (LEOs) using the gas chromatography–mass spectroscopy technique and to assess their antibacterial activity against four marine <i>Vibrio</i> species, including <i>Shewanella algae</i>, <i>Shewanella maridflavi</i>, <i>Vibrio harveyi</i>, and <i>Vibrio alginolyticus</i>. …”
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  9. 2989

    Gelatin/PLA-loaded gold nanocomposites synthesis using Syzygium cumini fruit extract and their antioxidant, antibacterial, anti-inflammatory, antidiabetic and anti-Alzheimer’s acti... by Manickam Rajkumar, S. I. Davis Presley, Nathiya Thiyagarajulu, Koyeli Girigoswami, Gopalarethinam Janani, Chinnaperumal Kamaraj, Bharathi Madheswaran, Bhupendra Prajapati, Nemat Ali, Mohammad Rashid Khan

    Published 2025-01-01
    “…This innovative study synthesizes and characterizes Ge/PLA/AuNCs (gelatin/PLA/gold nanocomposites) using Syzygium cumini extract to evaluate their various biomedical applications. The UV–Visible spectroscopy results in an absorption peak at 534 nm were primarily confirmed by Ge/PLA/AuNCs synthesis. …”
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  10. 2990

    An Evaluation of the Biocompatibility and Chemical Properties of Two Bioceramic Root Canal Sealers in a Sealer Extrusion Model of Rat Molars by Shintaro Takahara, Naoki Edanami, Razi Saifullah Ibn Belal, Kunihiko Yoshiba, Shoji Takenaka, Naoto Ohkura, Nagako Yoshiba, Susan Gomez-Kasimoto, Yuichiro Noiri

    Published 2025-01-01
    “…The elemental composition and chemical composition of the extruded EBC and NBG were analyzed at Day 1 and 28 using an electron probe microanalyzer and micro-Raman spectroscopy. No periapical lesions were observed with the sealer extrusion. …”
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    Article
  11. 2991

    Studies on the Effect of Laser Shock Peening Intensity on the Mechanical Properties of Wire Arc Additive Manufactured SS316L by Geethapriyan Thangamani, Santosh Kumar Tamang, Md Saad Patel, Jinoop Arackal Narayanan, Muthuramalingam Thangaraj, Jufan Zhang, Pardeep Kumar Gianchandani, Palani Iyamperumal Anand

    Published 2024-12-01
    “…Energy dispersive spectroscopy (EDS) analysis confirmed the formation of an oxide layer post-LSP, with an increase in carbon (C) and oxygen (O) elements and a decrease in chromium (Cr) and nickel (Ni) elements on the surface, attributed to localized pressure and heat impacts. …”
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    Article
  12. 2992

    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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  13. 2993

    Photochemistry Aspects of the Laser Pyrolysis Addressing the Preparation of Oxide Semiconductor Photocatalysts by R. Alexandrescu, I. Morjan, F. Dumitrache, M. Scarisoreanu, I. Soare, C. Fleaca, R. Birjega, E. Popovici, L. Gavrila, G. Prodan, V. Ciupina, G. Filoti, V. Kuncser, L. Vekas

    Published 2008-01-01
    “…Temperature-dependent Mossbauer spectroscopy shows that mainly maghemite is present in the sample obtained at higher laser power. …”
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  14. 2994

    Recent advances in detection techniques for vitamin analysis: A comprehensive review by Xiangrui Li, Huan Lv, Wencan Luo, WenJia Yang, Linghong Kong, Qiujin Zhu, Lu Zeng

    Published 2025-02-01
    “…Here, we propose a comprehensive and critical evaluation of detection methods for water- and fat-soluble vitamins that have been studied over the past five years, including microbiology-, spectroscopy-, liquid chromatography–mass spectrometry-, electrochemistry-, sensor-, and immunoassay-based analysis techniques. …”
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  15. 2995

    Comprehensive Evaluation of Quality Characteristics and Processing Suitability of Different Varieties of Large-fruited Sea Buckthorn Juice from Xinjiang Using Multivariate Analysis... by Rong HAN, Yan MA, Yu AO, Ting ZHANG, Xintao MENG, Mingqiang XU, Yan PAN

    Published 2025-02-01
    “…This study assessed the quality characteristics juice and processing suitability of six varieties of large-fruited sea buckthorn juice from Xinjiang using gas chromatography-ion mobility spectroscopy (GC-IMS) and multivariate physicochemical analysis combined with correlation and principal component analysis. …”
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    Article
  16. 2996

    Source and Ecological Risk Assessment of Potentially Toxic Metals in Urban Riverine Sediments Using Multivariate Analytical and Statistical Tools by Xiaojun Zheng, Abdul Rehman, Shan Zhong, Shah Faisal, Muhammad Mahroz Hussain, Syeda Urooj Fatima, Daolin Du

    Published 2024-12-01
    “…Additionally, techniques such as X-ray Diffraction (XRD) and Scanning Electron Microscopy–Energy Dispersive X-ray Spectroscopy (SEM-EDS) were employed to investigate the mineralogical and morphological aspects. …”
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    Article
  17. 2997

    Advancement of eco-friendly slag-based high-strength geopolymer concrete by Saeeb M. AL-Tam, Amr Riad, Nader Mohammed, Ali Al-Otaibi, Osama Youssf

    Published 2025-01-01
    “…Scanning electron microscope (SEM) and energy dispersive X-ray (EDX) spectroscopy analyses were performed on selected HSGC mixes. …”
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  18. 2998
  19. 2999

    Study on exhaled volatile organic compounds identifying cognitive fatigue induced by N-back task in healthy young adults by Xiaoyu Zhang, Xiaoyan Dong, Qiang Huang, Zhe Liu, Qin Wang

    Published 2025-01-01
    “…Exhaled VOCs were collected and detected using a Bio-VOC sampler and Thermal Desorption Gas Chromatography-Mass Spectroscopy method. The differences in exhaled VOCs between the pre- and post-induction and film watching was evaluated using either the paired t-test or the Wilcoxon signed-rank test. …”
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  20. 3000

    Fabrication of Axial and Radial Heterostructures for Semiconductor Nanowires by Using Selective-Area Metal-Organic Vapor-Phase Epitaxy by K. Hiruma, K. Tomioka, P. Mohan, L. Yang, J. Noborisaka, B. Hua, A. Hayashida, S. Fujisawa, S. Hara, J. Motohisa, T. Fukui

    Published 2012-01-01
    “…Transmission electron microscopy combined with energy dispersive X-ray spectroscopy measurements have been used to analyze the crystal structure and the atomic composition profile for the nanowires. …”
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    Article