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Quantifying intestinal lipolysis with MRI and TD-NMR: Proof of concept using dairy cream digested in vitro.
Food Chem
December 2024
INRAE, OPAALE, 35044 Rennes, France. Electronic address:
Understanding lipid digestion is crucial for promoting human health. Traditional methods for studying lipolysis face challenges in sample representativeness and pre-treatment, and cannot measure real-time lipolysis in vivo. Thus, non-invasive techniques like magnetic resonance imaging (MRI) need to be developed.
View Article and Find Full Text PDFIdentification and structural characterization of glucosylceramides in Holothuria (Halodeima) grisea: Insights from TLC and NMR techniques.
Carbohydr Res
January 2025
Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Paraná, 81531-990, Curitiba, PR, Brazil. Electronic address:
Sea cucumbers are widely used in oriental cuisine due to their medicinal properties. Antioxidant, antifungal, antiviral, anticancer and neuroprotective activities have already been identified in several species and in different tissues. Among the class of compounds with biological activity are cerebrosides, which have important functions for the proper functioning of cells, especially neuronal cells.
View Article and Find Full Text PDFExploring redox-active electrolytes to boost energy density of carbon-based supercapacitors.
J Colloid Interface Sci
January 2025
School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, 928 Second Street, Hangzhou 310018 China; Zhejiang Sci-Tech University Shengzhou Innovation Research Institute, Shengzhou 312400, China. Electronic address:
To boost supercapacitor (SC) energy density, we introduced redox-active molecules into an aqueous HSO electrolyte. Using retrosynthetic analysis, we identified aminoquinones, specifically triaminochlorobenzoquinone (TACBQ), as promising candidates. Characterization via elemental analysis, Fourier Transform Infrared Spectrometer (FT-IR), nuclear magnetic resonance (NMR), and X-ray photoelectron spectroscopy (XPS) confirmed structure of TACBQ.
View Article and Find Full Text PDFDesign of Fluorinated Peptides as Biotransformed Urinalysis Biomarkers for Non-Invasive Diagnosis and Treatment of Liver Injury through Enzyme Directed Kinetics.
Adv Mater
January 2025
State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China.
Urinalysis, as a non-invasive and efficient diagnostic method, is very important but faces great challenges due to the complex compositions of urine and limited naturally occurring biomarkers for diseases. Herein, by leveraging the intrinsic absence of endogenous fluorinated interference, a strategy with the enzymatically activated assembly of synthetic fluorinated peptide for cholestatic liver injury (CLI) diagnosis and treatment through F nuclear magnetic resonance (NMR) urinalysis and efficient drug retention is developed. Specifically, alkaline phosphatase (ALP), overexpressed in the liver of CLI mice, triggers the assembly of fluorinated peptide, thus, directing the traffic and dynamic distribution of the synthetic biomarkers after administration, whereas CLI mice display much slower clearance of peptides through urine as compared with healthy counterparts.
View Article and Find Full Text PDFCarotid Endarterectomy Ameliorates Cognitive Impairment in Clinical and Experimental Unilateral Carotid Artery Stenosis.
J Am Heart Assoc
January 2025
Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital Shanghai Jiao Tong University School of Medicine Shanghai China.
Background: Carotid endarterectomy (CEA) is widely used to treat carotid artery stenosis (CAS). However, the effects of CEA on unilateral CAS-induced cognitive impairment and the underlying mechanism remain poorly understood.
Methods And Results: Thirteen patients diagnosed with unilateral severe CAS underwent pre- and post-CEA assessments, including fluoro-2-deoxy-d-glucose positron emission tomography/magnetic resonance imaging, cognitive assessments, and routine blood tests before and after CEA.
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