Showing 41 - 60 results of 61 for search '"nuclear magnetic resonance spectroscopy"', query time: 0.08s Refine Results
  1. 41

    Synthesis of a Cationic Polyacrylamide under UV Initiation and Its Flocculation in Estrone Removal by Jiaoxia Sun, Xiqin Ma, Xiang Li, Jianxin Fan, Qingkong Chen, Xuelian Liu, Jin Pan

    Published 2018-01-01
    “…Fourier transform infrared spectroscopy (FT-IR), 1H nuclear magnetic resonance spectroscopy (1H NMR), thermogravimetry/differential scanning calorimetry (TG/DSC), and scanning electron microscopy (SEM) were employed to characterize the structure, thermal decomposition property, and morphology of the polymers, respectively. …”
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  2. 42

    Synthesis and Optical Characterization of Mixed Ligands Beryllium Complexes for Display Device Applications by Vandna Nishal, Devender Singh, Raman Kumar Saini, Vijeta Tanwar, Shri Bhagwan, Sonika Kadyan, Ishwar Singh, Pratap Singh Kadyan

    Published 2015-01-01
    “…These complexes, that is, [BeHPB(Clq)], [BeHPB(Cl2q)], [BeHPB(Meq)], and [BeHPB(q)], were prepared and their structures were confirmed by elemental analysis, Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, and thermal analysis. The beryllium complexes exhibited good thermal stability up to ~300°C temperature. …”
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  3. 43

    Carbonic Anhydrase IX Targeted Polyaspartamide fluorescent Probes for Tumor imaging by Zhang Y, Liu F, Shao C, Huang J, Yan G

    Published 2025-01-01
    “…These derivatives were also characterized by Fourier transform infrared spectroscopy, gel permeation chromatography, ultraviolet-visible spectroscopy, nuclear magnetic resonance spectroscopy and fluorescence assays. The cellular uptake, cytotoxicity, and fluorescence imaging ability were evaluated.Results: Experiment results indicated that SD-PHEA-NI has low cytotoxic to Henrietta Lacks (HeLa) cells. …”
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  4. 44

    Structural Characterization of Polygonum divaricatum L. Polysaccharide and Its Inhibitory Effect on Lipopolysaccharide-Induced Inflammation in RAW264.7 Cells by CUI Yanyan, YUAN Yongxu, GUO Mingkun, HE Wenbing, LI Ming, PEI Shichun, LI Dajun

    Published 2024-12-01
    “…Methods: The structure of PSPDL was characterized using high-performance gel permeation chromatography (HPGPC), high-performance liquid chromatography (HPLC), Fourier transform-infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and nuclear magnetic resonance spectroscopy (NMR). The in vitro anti-inflammatory activity and action mechanism of PSPDL were investigated in lipopolysaccharide (LPS)-induced RAW264.7 cells. …”
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  5. 45

    Developing novel Lin28 inhibitors by computer aided drug design by Victor M. Matias-Barrios, Mariia Radaeva, Graciella Rosellinny, Qiongqiong Jia, Ning Xie, Monica Villanueva, Hanadi Ibrahim, Jason Smith, Martin Gleave, Nada Lallous, Suzana K. Straus, Artem Cherkasov, Xuesen Dong

    Published 2025-01-01
    “…Results from nuclear magnetic resonance spectroscopy confirmed that Ln268 perturbs the conformation of the zinc knuckle domain of Lin28, validating the rational drug design by CADD. …”
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  6. 46

    Metabolic profile of blood serum in experimental arterial hypertension by A. A. Seryapina, A. A. Malyavko, Yu. K. Polityko, L. V. Yanshole, Yu. P. Tsentalovich, A. L. Markel

    Published 2023-09-01
    “…Using the method of nuclear magnetic resonance spectroscopy (NMR spectroscopy), 56 metabolites in blood serum samples were identified, 18 of which were shown to have significant interstrain differences in serum concentrations. …”
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  7. 47

    Structural Characterization of Foxtail Millet (<i>Setaria italica</i>) Polysaccharides and Evaluation of Its Antioxidant and Immunostimulatory Activities by Haiying Zhang, Chengyu Peng, Wei Zhang, Huatao Liu, Xiaodong Liu, Changqing Sun, Xiaoning Cao

    Published 2025-01-01
    “…The structural characterization results obtained from gas chromatography–mass spectrometer (GC–MS) and nuclear magnetic resonance spectroscopy (NMR) spectra suggest that FM-D1 primarily consists of a main chain linked by →4)-α-D-Glc<i>p</i>-(1→ and minor quantities of →4,6)-α-D-Glc<i>p</i>-(1→ to form the main chain, with branching mainly composed of α-D-Glc<i>p</i>-(1→ attached to the <i>O</i>-6 position of →4,6)-α-D-Glc<i>p</i>-(1→ sugar residues. …”
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  8. 48

    Exploring Adsorption Performance of Functionalized Mesoporous Silicas with a Different Pore Structure as Strong Cation-Exchange Sorbents for Solid-Phase Extraction of Atropine and... by Fernando L. Vera-Baquero, Sonia Morante-Zarcero, Damián Pérez-Quintanilla, Isabel Sierra

    Published 2025-01-01
    “…The synthesized materials were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption–desorption, Fourier-transform infrared spectroscopy, <sup>29</sup>Si solid-state nuclear magnetic resonance spectroscopy, and elemental analysis. The obtained functionalized materials were evaluated as sorbents for strong cation-exchange solid-phase extraction (SPE) to determine their efficiency in the adsorption and desorption of tropane alkaloids (atropine and scopolamine). …”
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  9. 49

    Changing Characteristics of Sandstone Pore Size under Cyclic Loading by Jiaguang Kan, Guichen Li, Nong Zhang, Peng Wang, Changliang Han, Shun Wang

    Published 2021-01-01
    “…These characteristics were studied under different pressures, pore diameters, and pore throat size distribution laws using a UTM5540 electronic universal testing machine, magnetic resonance imaging scanning, and low field nuclear magnetic resonance spectroscopy with cyclic loading on yellow sandstone. …”
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  10. 50

    Quantification of Mineral Oil Aromatic Hydrocarbons (MOAH) in Anhydrous Cosmetics Using 1H NMR by Sandra Weber, Tamina Schmidt, Paul Schumacher, Thomas Kuballa, Gerd Mildau, Stephan G. Walch, Andrea Hartwig, Dirk W. Lachenmeier

    Published 2019-01-01
    “…This publication presents a rapid method for quantifying MOAH by proton nuclear magnetic resonance spectroscopy (1H qNMR) in anhydrous cosmetics such as lipstick, lip gloss, and lip balm. …”
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  11. 51

    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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  12. 52

    An NMR Study of the Bortezomib Degradation under Clinical Use Conditions by Adele Bolognese, Anna Esposito, Michele Manfra, Lucio Catalano, Fara Petruzziello, Maria Carmen Martorelli, Raffaella Pagliuca, Vittoria Mazzarelli, Maria Ottiero, Melania Scalfaro, Bruno Rotoli

    Published 2009-01-01
    “…Commercial BTZ samples, reconstituted according to the reported commercial instructions and stored at 4∘C, were analyzed by high-field nuclear magnetic resonance spectroscopy in comparison with identical samples bubbled with air and argon, respectively. …”
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  13. 53
  14. 54

    大鼠缺血缺氧过程脑皮质神经化学物质的变化

    Published 2008-01-01
    “…【目的】运用离体高分辨质子磁共振波谱学(1H nuclear magnetic resonance spectroscopy,1H NMRS)方法对全脑缺血后大鼠脑皮质神经代谢和神经化学物质的变化进行检测,探讨其在缺血再灌注损伤的病理生理过程中的作用?…”
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  15. 55

    Kinetics of flocculation of kaolinite by chitosan-based flocculants and the floc structure by Ting XIAO, Wenjie ZOU, Kexin YU, Xuqin DUAN, Zhijun ZHANG, Ruijing XU

    Published 2025-02-01
    “…The chemical structure and crystallinity of the grafted copolymer are characterized using Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (1H NMR), and X-ray diffraction. …”
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  16. 56

    Targeting the G-quadruplex as a novel strategy for developing antibiotics against hypervirulent drug-resistant Staphylococcus aureus by Maria Sultan, Maria Razzaq, Joohyun Lee, Shreyasi Das, Shrute Kannappan, Vinod Kumar Subramani, Wanki Yoo, Truc Kim, Hye-Ra Lee, Akhilesh K. Chaurasia, Kyeong Kyu Kim

    Published 2025-02-01
    “…Physicochemical assessments using UV–visible, circular dichroism, and nuclear magnetic resonance spectroscopy confirmed that the G4-motif present in the mraZ promoter formed an intramolecular parallel G4 structure, interacting with NMM. …”
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  17. 57

    Identification and Mass Spectrometric Fragmentation Pathways of Chemical Components in the Traditional Chinese Medicine Formula of Jiuwei Decoction by Jia-yu ZHAO, Yue-guang LYU, Tong XIN, Qian-qian GUO, Wen-ying ZHANG, Jin-hong LI, Hong-yu XUE, Qiang MA

    Published 2025-01-01
    “…Therefore, in the pursuit of analyzing active components in TCMs, it is advisable to delve deeper into separation and identification through the utilization of diverse techniques such as nuclear magnetic resonance spectroscopy, ultraviolet/infrared spectroscopy, and capillary electrophoresis-mass spectrometry.…”
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  18. 58

    Complexes of vertebrate TMC1/2 and CIB2/3 proteins form hair-cell mechanotransduction cation channels by Arnaud PJ Giese, Wei-Hsiang Weng, Katie S Kindt, Hui Ho Vanessa Chang, Jonathan S Montgomery, Evan M Ratzan, Alisha J Beirl, Roberto Aponte Rivera, Jeffrey M Lotthammer, Sanket Walujkar, Mark P Foster, Omid A Zobeiri, Jeffrey R Holt, Saima Riazuddin, Kathleen E Cullen, Marcos Sotomayor, Zubair M Ahmed

    Published 2025-01-01
    “…Our AlphaFold 2 models suggest that vertebrate CIB proteins can simultaneously interact with at least two cytoplasmic domains of TMC1 and TMC2 as validated using nuclear magnetic resonance spectroscopy of TMC1 fragments interacting with CIB2 and CIB3. …”
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  19. 59

    WAND: A multi-modal dataset integrating advanced MRI, MEG, and TMS for multi-scale brain analysis by Carolyn B. McNabb, Ian D. Driver, Vanessa Hyde, Garin Hughes, Hannah L. Chandler, Hannah Thomas, Christopher Allen, Eirini Messaritaki, Carl J. Hodgetts, Craig Hedge, Maria Engel, Sophie F. Standen, Emma L. Morgan, Elena Stylianopoulou, Svetla Manolova, Lucie Reed, Matthew Ploszajski, Mark Drakesmith, Michael Germuska, Alexander D. Shaw, Lars Mueller, Holly Rossiter, Christopher W. Davies-Jenkins, Tom Lancaster, C. John Evans, David Owen, Gavin Perry, Slawomir Kusmia, Emily Lambe, Adam M. Partridge, Allison Cooper, Peter Hobden, Hanzhang Lu, Kim S. Graham, Andrew D. Lawrence, Richard G. Wise, James T. R. Walters, Petroc Sumner, Krish D. Singh, Derek K. Jones

    Published 2025-02-01
    “…Abstract This paper introduces the Welsh Advanced Neuroimaging Database (WAND), a multi-scale, multi-modal imaging dataset comprising in vivo brain data from 170 healthy volunteers (aged 18–63 years), including 3 Tesla (3 T) magnetic resonance imaging (MRI) with ultra-strong (300 mT/m) magnetic field gradients, structural and functional MRI and nuclear magnetic resonance spectroscopy at 3 T and 7 T, magnetoencephalography (MEG), and transcranial magnetic stimulation (TMS), together with trait questionnaire and cognitive data. …”
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  20. 60

    Self-Healing Photocurable Epoxy/thiol-ene Systems Using an Aromatic Epoxy Resin by Ricardo Acosta Ortiz, Omar Acosta Berlanga, Aída Esmeralda García Valdez, Rafael Aguirre Flores, José Guadalupe Télles Padilla, María Guadalupe Méndez Padilla

    Published 2016-01-01
    “…The oligomer was characterized by Fourier transform infrared spectroscopy (FTIR), Raman and nuclear magnetic resonance spectroscopies, and gel permeation chromatography (GPC). …”
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