Showing 101 - 120 results of 280 for search '"nuclear magnetic resonance"', query time: 0.05s Refine Results
  1. 101

    Effects of Different Blanching Methods and Freezing Rates on Textural Properties of Prepared Broccoli by ZHAO Yinuo, JIN Xin, BI Jinfeng, XIE Yitong, DU Ting

    Published 2025-01-01
    “…This study was conducted to investigate the effects of blanching methods and freezing rates on the textural properties of processed broccoli. Low-field nuclear magnetic resonance (LF-NMR) spectroscopy and physicochemical analysis were used to evaluate the water distribution, water-holding capacity (WHC), electrical conductivity, and hardness of broccoli samples subjected to hot water or steam blanching followed by freezing at −20, −40, and −80 ℃. …”
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  2. 102

    Physicochemical Characterization of Thermally Treated Chitosans and Chitosans Obtained by Alkaline Deacetylation by Ana Maria de Oliveira, Telma Teixeira Franco, Enio Nazaré de Oliveira Junior

    Published 2014-01-01
    “…The thermal depolymerization of chitosan and alkaline deacetylation of chitin were characterized by measurement of viscosity, gel permeation chromatography (GPC), potentiometric titration (PT), and proton nuclear magnetic resonance spectroscopy (H1 NMR). The depolymerization rates (DR) measured by kinematic viscosity (KV), apparent viscosity (AV), and GPC (Mw) until 4 h of treatment were DRKV=21.9, DRAV=25.5, and DRMw=23.3% h-1 and for 5 to 10 h of treatment they decreased slowly to produce of DRKV=0.545, DRAV=0.248, and DRMw=1.11% h-1. …”
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  3. 103

    Should miliary tuberculosis be considered as a possible cause of infertility in the new era: a case report and literature review by Aleksandra Cvetkovic, Ana Blanka Protic, Jelena Jovanovic, Tatjana Adzic Vukicevic, Tatjana Adzic Vukicevic

    Published 2025-01-01
    “…Because of the appearance of headaches, brain nuclear magnetic resonance (NMR) was done, and diffuse nodular brain lesions were found, which were initially interpreted as metastatic cancer disease. …”
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    Article
  4. 104

    Physical Simulation of Colayer Water Flooding in Low Permeability Carbonate Reservoir in Middle East by Xingwang Shi, Zhengming Yang, Yapu Zhang, Guangya Zhu, Qianhua Xiao

    Published 2017-01-01
    “…In addition, by using low magnetic field nuclear magnetic resonance, the development effect of microscopic pore structure under the different injection-production models was analyzed. …”
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  5. 105

    The Molecular Mechanism of FABP4 Inhibition Effects of GAS and 4-HBA in Gastrodia elata Blume Was Discussed Based on NMR and Molecular Docking by Yuyu Yang, Shihan Liu, Wenfang Jin, Zengyi Qu, Baolei Fan

    Published 2024-01-01
    “…Their structures were identified by HPLC and nuclear magnetic resonance (NMR). The FABP4 protein was added to GAS and 4-HBA, and the NMR experiment was performed to observe ligand binding. …”
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  6. 106

    Characterization of Phenolic Constituents from Prunus cerasifera Ldb Leaves by Wei Liu, Muhammad Farrukh Nisar, Chunpeng Wan

    Published 2020-01-01
    “…The isolated compounds were analyzed by 1H-nuclear magnetic resonance (1H-NMR), 13C-NMR, and electrospray ionization mass spectral (ESI-MS) spectroscopy. …”
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  7. 107

    Damage Strengthening Constitutive Model of Cemented Paste Backfill by Kangli Cheng, Bingbing Tu, Lang Liu, Bo Zhang, Huafu Qiu

    Published 2021-01-01
    “…In order to consider the influence of mesoscopic characteristics of materials on the constitutive model of cemented paste backfill (CPB), the uniaxial compression variables and the damage constitutive model, considering the influence of porosity and pore size of filling materials, were derived based on the strain equivalence principle and Weibull probability distribution function. The nuclear magnetic resonance (NMR) tests and unconfined compression strength (UCS) tests were carried out on 8 groups of CPB specimens with different slurry concentrations and cement-tailings ratios. …”
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  8. 108

    Glycerol Enhances the Antifungal Activity of Dairy Propionibacteria by Helena Lind, Anders Broberg, Karin Jacobsson, Hans Jonsson, Johan Schnürer

    Published 2010-01-01
    “…The conversion of 13C glycerol by Propionibacterium jensenii was followed with nuclear magnetic resonance. In a dual culture assay, the degree of inhibition of the molds was strongly enhanced by an increase in glycerol concentrations, while the yeast was less affected. …”
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  9. 109

    Keggin-Type Heteropolyacid for Ring-Opening Polymerization of Cyclohexene Oxide: Molecular Weight Control by Ahmed Aouissi, Zeid Abdullah Al-Othman, Abdurrahman Salhabi

    Published 2015-01-01
    “…The resulting poly(1,2-cyclohexene oxide) (PCHO) was characterized by Fourier transform infrared (FTIR), nuclear magnetic resonance spectroscopy (1HNMR), gel-permeation chromatography (GPC), and differential scanning calorimetry (DSC). …”
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  10. 110

    Advances in Spectroscopic Methods for Predicting Cheddar Cheese Maturity: A Review of FT-IR, NIR, and NMR Techniques by Sanja Seratlic, Bikash Guha, Sean Moore

    Published 2024-10-01
    “…Given the complexity of cheese ripening and the industry’s need for fast and reliable evaluation methods, this review addresses the challenge by scrutinising the application of spectroscopic techniques such as Fourier transform infrared (FT-IR), near-infrared (NIR), and nuclear magnetic resonance (NMR). These methods are evaluated for their noninvasive and rapid on-site analysis capabilities, which are essential for ensuring quality in cheese production. …”
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  11. 111

    Introduction to the New Copolymer of Chloroprene and Acrylonitrile with Differentiated Properties by Mousumi De Sarkar, Wataru Nishino, Yuhei Ishigaki, Takashi Sunada

    Published 2021-01-01
    “…Qualitative analyses through infrared (FTIR) and nuclear magnetic resonance (1H-NMR) spectra confirm the presence of both the -Cl and -CN groups in the new rubber. …”
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  12. 112

    Leiomodin creates a leaky cap at the pointed end of actin-thin filaments. by Dmitri Tolkatchev, Garry E Smith, Lauren E Schultz, Mert Colpan, Gregory L Helms, John R Cort, Carol C Gregorio, Alla S Kostyukova

    Published 2020-09-01
    “…Leiomodin, a member of the tropomodulin family of proteins, is critical in thin filament assembly and maintenance; however, its role is under dispute. Using nuclear magnetic resonance data and molecular dynamics simulations, we generated the first atomic structural model of the binding interface between the tropomyosin-binding site of cardiac leiomodin and the N-terminus of striated muscle tropomyosin. …”
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  13. 113

    Glucomannan engineering highlights roles of galactosyl modification in fine-tuning cellulose-glucomannan interaction in Arabidopsis cell walls by Yoshihisa Yoshimi, Li Yu, Rosalie Cresswell, Xinyu Guo, Alberto Echevarría-Poza, Jan J. Lyczakowski, Ray Dupree, Toshihisa Kotake, Paul Dupree

    Published 2025-01-01
    “…Biochemical analysis and 13C solid-state nuclear magnetic resonance spectroscopy of Arabidopsis with cell wall glucomannan engineered by MAGTs reveal that the degree of galactosylation strongly affects the interaction with cellulose. …”
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  14. 114

    Logging Response Mechanism and Content Evaluation of Laumontite-Bearing Glutenite Reservoir: A Case Study of Lower Urho Formation of Permian of the Junggar Basin by Jia Jun, Xue Kunlin, Ni Liping, Luo Yang, Liu Yuchao

    Published 2024-01-01
    “…The presence of zeolite minerals in various states of occurrence and uneven distribution in glutenite reservoirs makes it indeterminate to interpret the well logging response characteristics such as acoustic, resistivity, radioactivity, and nuclear magnetic resonance (NMR). This poses significant challenges for the evaluation of well loggings in glutenite reservoirs containing laumontite and the determination of oil and gas reserves. …”
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  15. 115

    Analytical Methods Used for the Detection and Quantification of Benzodiazepines by Zidane Qriouet, Zineb Qmichou, Nadia Bouchoutrouch, Hassan Mahi, Yahia Cherrah, Hassan Sefrioui

    Published 2019-01-01
    “…The commonly used methods for the detection and quantification of BZDs include nuclear magnetic resonance (NMR), chromatography (GC-MS, HPLC, and TLC), immunoassay (ELISA, RIA, LFA, CEDEA, FPIA, and KIMS), and electroanalytical methods (voltammetry and potentiometry).…”
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  16. 116

    Antioxidant Activity and Isolation of Luteoline from Centaurea behen L. Grown in Iran by Akbar Esmaeili, Zahra Mousavi, Maryam Shokrollahi, Ali Shafaghat

    Published 2013-01-01
    “…The structures involved were elucidated by 1H and 13C nuclear magnetic resonance (NMR) and heteronuclear multiple-bond correlation (HMBC) spectra. …”
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  17. 117

    Remarkable Conversion of 2-Thioxo-2,3-dihydroquinazolin-4(1H)-ones into the Corresponding Quinazoline-2,4(1H,3H)-diones: Spectroscopic Analysis and X-Ray Crystallography by Adel S. El-Azab, Nasr Y. Khalil, Alaa A.-M. Abdel-Aziz

    Published 2021-01-01
    “…The structure of the newly synthesized compounds was determined by infrared spectroscopy, UV-visible spectroscopy, nuclear magnetic resonance, and single-crystal X-ray crystallographic analysis. …”
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  18. 118

    Synthesis of Cationic Waterborne Polyurethanes from Waste Frying Oil as Antibacterial Film Coatings by Sivaphol Phunphoem, Onusa Saravari, Pitt Supaphol

    Published 2019-01-01
    “…CWPUs were successfully synthesized as confirmed by proton nuclear magnetic resonance spectroscopy (1H-NMR) and Fourier transform infrared spectroscopy (FT-IR). …”
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  19. 119

    NMR-Based Plasma Metabolomics at Set Intervals in Newborn Dairy Calves with Severe Sepsis by Abdullah Basoglu, Ismail Sen, Gaia Meoni, Leonardo Tenori, Amir Naseri

    Published 2018-01-01
    “…To our knowledge, this is the first study presenting an NMR- (nuclear magnetic resonance-) based plasma metabolomics at set intervals in neonatal septic calves. …”
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  20. 120

    Synthesis of Functional Polyester Based on Polylactic Acid and Its Effect on PC12 Cells after Coupling with Small Peptides by Na Qiang, Shuo Tang, Xiang Liao, Hao Liang, Fang Xie, Ji-xiang Zhu

    Published 2016-01-01
    “…Copolymer structure was characterized by 1H nuclear magnetic resonance (1H NMR), gel permeation chromatography (GPC), and differential scanning calorimetry (DSC) analyses. …”
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