-
321
New Triterpenoids from the Leaves of <i>Heritiera littoralis</i> and Their Anti-Inflammatory Activity
Published 2024-12-01“…Their structures were identified by spectroscopic analysis, including 1D and 2D nuclear magnetic resonance (NMR), high-resolution electrospray ionization mass spectrometry (HRESIMS), and by comparison with the literature. …”
Get full text
Article -
322
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?…”
Get full text
Article -
323
Metabolic Phenotyping of Adipose-Derived Stem Cells Reveals a Unique Signature and Intrinsic Differences between Fat Pads
Published 2019-01-01“…In this study, we performed high-resolution nuclear magnetic resonance (NMR) metabolomic analyses of ASC culture supernatants in order to characterize their metabolic phenotype in culture. …”
Get full text
Article -
324
Mechanism of the blood-brain barrier modulation by cadherin peptides
Published 2024-06-01“…The binding properties of ADTC5, ADTC7, and ADTC9 to the extracellular-1 (EC1) domain of E-cadherin were evaluated using chemical shift perturbation (CSP) method in the two dimensional (2D) 1H-15N-heteronuclear single quantum coherence (HSQC) nuclear magnetic resonance (NMR) spectroscopy. Molecular docking experiments were used to determine the binding sites of these peptides to the EC1 domain of E-cadherin. …”
Get full text
Article -
325
PLL-g-HPA Hydrogel Loaded Human Umbilical Cord Mesenchymal Stem Cells Promote Burn Wound Healing in Rat Model by Regulating Inflammation Response
Published 2025-01-01“…Therefore, the aim of this study was to evaluate the therapeutic effect of hUC-MSCs combined with PLL-g-HPA hydrogel on full thickness burn injury in rat model.Methods: The PLL-g-HPA hydrogel was developed and characterized by Scanning Electron Microscopy (SEM), Fourier-Transform Infrared Spectroscopy (FTIR), Hydrogen-1 nuclear magnetic resonance (H-NMR). The cytotoxicity to human foreskin fibroblasts (HFF) were assessed by CCK-8 assay and live/dead quantification and antibacterial activity against Escherichia coli and Staphylococcus aureus was also detected by colony forming unit. …”
Get full text
Article -
326
Phytochemical and Bioactivity Evaluation of Bee Pollen and Androecia of <i>Castanea</i>, <i>Salix</i>, and <i>Quercus</i> Species
Published 2024-12-01“…<i>N</i><sup>1</sup>,<i>N</i><sup>5</sup>,<i>N</i><sup>10</sup>-tricaffeoylspermidine was isolated, and its structure was elucidated by nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS). …”
Get full text
Article -
327
A New Transformation Method of the T<sub>2</sub> Spectrum Based on Ordered Clustering—A Case Study on the Pore-Throat Utilization Rule of Supercritical CO<sub>2</sub> Flooding in L...
Published 2025-01-01“…Nuclear magnetic resonance (NMR) and high-pressure mercury injection (HPMI) have been widely used as common characterization methods of pore-throat. …”
Get full text
Article -
328
Physicochemical characterization of biodegradable polymer polyhydroxybutyrate from halophilic bacterium local strain Halomonas elongata
Published 2024-07-01“…The functional groups of isolated polyhydroxybutyrate were analyzed using nuclear magnetic resonance and Fourier transform infrared spectroscopy. …”
Get full text
Article -
329
Effect of straw retention and mineral fertilization on P speciation and P-transformation microorganisms in water- extractable colloids of a Vertisol
Published 2025-01-01“…Here, a fixed field experiment (<span class="inline-formula">∼</span> 13 years) in a Vertisol was performed to explore the impacts of straw retention and mineral fertilization on inorganic P, organic P, and P-transformation microorganisms in bulk soils and WECs through a sequential extraction procedure, P K-edge X-ray absorption near-edge structure (XANES), <span class="inline-formula"><sup>31</sup></span>P nuclear magnetic resonance (NMR), and metagenomics analysis. …”
Get full text
Article -
330
Molecular and cellular aspects of the impact of secondary metabolites from common barberry and hybrid goat’s rue on the HeLa cell line
Published 2023-12-01“…The isolation and verification of all compounds used in the experiment were carried out using column chromatography and nuclear magnetic resonance methods at the Department of Natural Compounds, Faculty of Chemistry, Southern Federal University. …”
Get full text
Article -
331
Adsorbate-driven dynamic active sites in stannosilicate zeolites
Published 2025-01-01“…In this study, a dynamic transformation of framework Sn−O−Si sites to Sn−OH/Si−OH pairs and subsequently a pseudo-Brønsted acid in stannosilicate zeolites upon molecular adsorption, which is analogous to various adsorbates/reactants under working conditions, was identified by solid-state nuclear magnetic resonance (NMR) spectroscopy for the first time, which challenges the widespread assumption that the active center structures remain rigid/stable during the catalytic process. …”
Get full text
Article -
332
α-methyltryptophan-mediated protection against diabetic nephropathy in db/db mice as studied with a metabolomics approach
Published 2025-01-01“…SLC6A14 and also an inhibitor of indoleamine 2,3-dioxygenase-1 (IDO1).MethodsIn this study, we employed a nuclear magnetic resonance-based metabolomic approach to investigate the therapeutic effects of α-MT in a db/db mouse model of DN and explore the underlying molecular mechanisms.ResultsThe results of the study demonstrated that α-MT significantly reduced the urinary excretion of albumin and creatinine, improved kidney function, and decreased renal fibrosis in db/db mice. …”
Get full text
Article -
333
Microplastic analysis in soils: A comparative assessment
Published 2025-01-01“…We compared analytical protocols for MiP quantification in soil, consisting of Digital, Fluorescence, Fourier-transform infrared (FTIR), and Raman Microscopy as well as quantitative Pyrolysis-Gas Chromatography-Mass Spectroscopy (Py-GC-MS) and 1-proton nuclear magnetic resonance (1H NMR) spectroscopy as detection techniques. …”
Get full text
Article -
334
Kinetics of flocculation of kaolinite by chitosan-based flocculants and the floc structure
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. …”
Get full text
Article -
335
Targeting the G-quadruplex as a novel strategy for developing antibiotics against hypervirulent drug-resistant Staphylococcus aureus
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. …”
Get full text
Article -
336
Identification and Mass Spectrometric Fragmentation Pathways of Chemical Components in the Traditional Chinese Medicine Formula of Jiuwei Decoction
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.…”
Get full text
Article -
337
Exploring the potential of black soldier fly live larvae as a sustainable protein source for laying hens: A comprehensive study on egg quality
Published 2025-01-01“…., chemical composition, fatty acid (FA) profile, and metabolic profile using nuclear magnetic resonance (NMR) spectroscopy. To this aim, 108 Lohman Brown hens were housed in 27 cages (9 replicates per treatment, 4 birds per pen) and monitored between 16 and 34 weeks of age. …”
Get full text
Article -
338
Complexes of vertebrate TMC1/2 and CIB2/3 proteins form hair-cell mechanotransduction cation channels
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. …”
Get full text
Article -
339
Novel type 2 diabetes prediction score based on traditional risk factors and circulating metabolites: model derivation and validation in two large cohort studiesResearch in context
Published 2025-01-01“…A total of 249 NMR-derived metabolites were quantified using nuclear magnetic resonance (NMR) spectroscopy. Metabolites were selected with LASSO regression and model performance was evaluated with Harrell's C-index. …”
Get full text
Article -
340
WAND: A multi-modal dataset integrating advanced MRI, MEG, and TMS for multi-scale brain analysis
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. …”
Get full text
Article