Showing 1,041 - 1,060 results of 1,139 for search '"infrared spectroscopy"', query time: 0.06s Refine Results
  1. 1041

    Green synthesis and characterization of CuO/ZnO nanocomposite using Musa acuminata leaf extract for cytotoxic studies on colorectal cancer cells (HCC2998) by Wong Yee Jin, Subramaniam Hemaroopini, Shing Wong Ling, Dhanapal Anto Cordelia Tanislaus Antony, Chan Yu Bin, Aminuzzaman Mohammod, Tey Lai-Hock, Janakiraman Ashok Kumar, Kayarohanam Saminathan, Djearamane Sinouvassane

    Published 2024-12-01
    “…Fourier transform infrared spectroscopy analysis showed the presence of functional groups, including hydroxyl groups, carbonyl groups, amines, alkanes, aromatic amines, Cu–O, and Zn–O. …”
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  2. 1042

    The high value utilization characteristics of coal gangue powder with emulsified asphalt mastic through rheological and viscoelastic damage theory by Decai Wang, Jiawei Wei, Zongyuan Wu, Lei Hu, Lan Yang, Kai Cheng

    Published 2025-01-01
    “…A series of tests, including frequency scanning, temperature scanning, Multiple Stress Creep Recovery (MSCR), Linear Amplitude Scanning (LAS), and Fourier Transform Infrared spectroscopy (FTIR) were conducted. Through rheology theory, viscoelastic damage theory, the impact of three fillers: Coal Gangue Powder (CGP), Limestone Powder (LP) and Portland Cement (PC), as well as four kinds of Powder-Binder ratios (P/B) (0.6, 0.9, 1.2, 1.5) on the high temperature rheology and medium temperature fatigue performance of EAM was analyzed. …”
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  3. 1043
  4. 1044

    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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  5. 1045

    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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  6. 1046

    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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  7. 1047

    Experimental research on mechanical and impact properties of ceramsite prepared from secondary aluminum dross and municipal solid waste incineration ash by Wangze He, Yufei Yang, Xinghan Zhu, Jinzhong Yang, Yingjie Sun, Qifei Huang

    Published 2025-01-01
    “…Fourier-transform infrared spectroscopy analysis indicates that at a sintering temperature of 1260 °C or when the raw material ball size is 2 cm, the [SiO4] tetrahedral bands shift to higher wavenumbers, enhancing the degree of polymerization of the glass network in the ceramsite, thereby strengthening its compressive strength. …”
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  8. 1048

    Dynamically Cyclic Fe2+/Fe3+ Active Sites as Electron and Proton-Feeding Centers Boosting CO2 Photoreduction Powered by Benzyl Alcohol Oxidation by Ben Lei, Gaofeng Zhou, Zhongyou Gong, Chao Liu, Ying Zhou, Vitaliy P. Guro, Yanjuan Sun, Jianping Sheng, Fan Dong

    Published 2025-01-01
    “…More importantly, in situ attenuated total reflection Fourier transform infrared spectroscopy and gas chromatography–mass spectrometry spectroscopy, with isotope labeling of Deuteron-benzyl alcohol and 13CO2, confirmed that proton transfer from the hydroxyl group generates reactive protons at the Fe2+/Fe3+ site, enabling efficient CO2 photoreduction through subsequent protonation steps. …”
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  9. 1049

    Brain near-infrared study of upstairs movement after anterior cruciate ligament reconstruction by Ziyuan Cao, Hao Zhang, Xipeng Wu, Yuxuan Zhang, Jiangli Yu, Wei Li

    Published 2025-01-01
    “…In this study, we employed functional near-infrared spectroscopy (fNIRS) to investigate the characteristics of brain activation in patients after ACLR during a repetitive upstairs task, and compared them with healthy individuals. …”
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  10. 1050

    "Preparation and curing kinetics of “bottlebrush-like structure” green bio-based ultra-low-temperature polyfarnesene nanocomposites" by WU Ming-li, LI Yong-xu, CAO Lan?鄢

    Published 2024-12-01
    “…In addition, the result of the infrared spectroscopy carbonyl peak fitting for iGO/HTPF-PU nanocomposites showed increasing hydrogen bonding up to 87.2% compared to pure HTPF-PU, indicating better dispersion of iGO in the matrix. iGO/HTPF-PU nanocomposites had excellent thermal properties. …”
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  11. 1051

    Esophageal oxyhemoglobin saturation as a resuscitative metric in hemorrhagic shock by Julia Garcia Mancebo, Kristen Sack, Padraic Romfh, Yifeng Peng, John Kheir

    Published 2024-11-01
    “…Non-invasive methods, including near-infrared spectroscopy, have demonstrated low sensitivity to tissue dysoxia.Methods We fabricated a new device that uses resonance Raman spectroscopy (RRS) to quantify oxyhemoglobin saturation (ShbO2) in the esophagus (eShbO2), tongue (tShbO2), and liver (hShbO2). …”
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  12. 1052

    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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  13. 1053

    Positive resonance: Successful interpersonal emotion regulation facilitated relationship closeness by enhanced inter-brain synchronization by Tongtong Zhu, Xiaoxuan Zhang, Luyao Jin, Linzi Wang, Yanmei Wang

    Published 2025-02-01
    “…The present study aimed to explore whether successful IER, based on two typical strategies—cognitive reappraisal (CR) and expressive suppression (ES)—for down-regulating the target's negative emotions, could enhance IRC among friend dyads, and to identify the underlying neural correlates of this process using functional near-infrared spectroscopy system. Seventy-four female dyads (friends) were randomly assigned to one of two strategy groups (CR vs. …”
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  14. 1054

    Differences in pyrolysis behavior and volatiles of tar-rich coal with various origins by Qingmin Shi, Xinyue Zhao, Shuangming Wang, Hongchao Zhao, Ruijun Ji, Chunhao Li, Bingyang Kou, Jun Zhao

    Published 2025-04-01
    “…The pyrolysis behavior and the molecular structure evolution were analyzed through thermogravimetric, Fourier transform infrared spectroscopy, gas chromatography, and gas chromatography-mass spectrometer. …”
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  15. 1055

    Formulation development and evaluation, in silico PBPK modeling and in vivo pharmacodynamic studies of clozapine matrix type transdermal patches by Abdul Qadir, Syed Umer Jan, Muhammad Harris Shoaib, Muhammad Sikandar, Rabia Ismail Yousuf, Fatima Ramzan Ali, Fahad Siddiqui, Abdul Jabbar Magsi, Ghulam Mustafa, Muhammad Talha Saleem, Shafi Mohammad, Mohammad Younis, Muhammad Arsalan

    Published 2025-01-01
    “…Different formulation characteristics were studied in terms of physico-chemical characterization, Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), drug release performance, and in vitro permeability. …”
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  16. 1056

    Fabrication, In Vitro, and In Vivo Assessment of Eucalyptol-Loaded Nanoemulgel as a Novel Paradigm for Wound Healing by Anis Rehman, Muhammad Iqbal, Barkat A. Khan, Muhammad Khalid Khan, Bader Huwaimel, Sameer Alshehri, Ali H. Alamri, Rami M. Alzhrani, Deena M. Bukhary, Awaji Y. Safhi, Khaled M. Hosny

    Published 2022-09-01
    “…The nanoemulgels were evaluated regarding stability, homogeneity, pH, viscosity, Fourier-transform infrared spectroscopy (FTIR), droplet size, zeta potential, polydispersity index (PDI), spreadability, drug content, in vitro drug release, and in vivo study. …”
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  17. 1057

    Kinetics, modelling and optimization of Shea butter transesterification via clay doped ionic liquid catalyst by Nwosu-Obieogu Kenechi, Ude Callistus Nonso, Onukwuli Dominic Okechukwu, Ezeugo Joseph

    Published 2025-01-01
    “…Scanning Electron Micrograph (SEM), X-ray diffraction (XRD), Braut Emmet Teller (BET), Fourier transform infrared spectroscopy (FT-IR), and X-ray fluorescence (XRF) were used to evaluate the catalyst's processability. …”
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  18. 1058

    Removal of Tetracycline Using Tungsten Disulfide/Graphene Oxide as Photocatalyst: Effect of Light Irradiation and Kinetic Studies by Zulhatiqah Zolekafeli, Syafarina Farisa Sateria, Ahmad Husaini Mohamed, Siti Hajar Alias, Kavirajaa Pandian Sambasevam, Siti Nor Atika Baharin

    Published 2024-10-01
    “…The successful incorporation of tungsten disulfide on graphene oxide structures was confirmed by characterization using Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (ATR-FTIR) and X-ray Diffraction (XRD). …”
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  19. 1059

    Comparative analysis of solvent-based and solvent-free (melting) methods for fabricating 3D-printed polycaprolactone-hydroxyapatite composite bone scaffolds: physicochemical/mechan... by Brigita De Vega, Brigita De Vega, Abir Dutta, Abir Dutta, Aisha Mumtaz, Bob C. Schroeder, Craig Gerrand, Ashleigh S. Boyd, Ashleigh S. Boyd, Deepak M. Kalaskar, Deepak M. Kalaskar

    Published 2025-01-01
    “…Rheology, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), accelerated degradation, mechanical/compression test, wettability/contact angle, live/dead assay, and DNA quantification (Picogreen) assays were evaluated.FindingsThe study finds that scaffolds made via the solid solvent method have higher mechanical strength and degradation rate as compared to those from the melting method, while both methods ensure adequate cytocompatibility and homogenous hydroxyapatite distribution, supporting their use in bone tissue engineering.OriginalityThis research investigates the utility of chloroform as a solvent for PCL composite in a direct comparison with the melting method. …”
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  20. 1060

    Studies on the treatment of anaerobically digested sludge by white-rot fungi: evaluation of the effect of Phanerochaete chrysosporium and Trametes versicolor by Xuefeng Zhu, Shicai Cheng, Zexian Fang, Guangyin Zhen, Xueqin Lu, Hongbo Liu, Jing Qi, Zhen Zhou, Xuedong Zhang, Zhichao Wu

    Published 2025-01-01
    “…Fourier-transform infrared spectroscopy (FTIR) analysis revealed that the application of Trametes versicolor powder exerted a notably pronounced impact on the functional groups present in sludge samples. …”
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