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Synthesis, antifungal activity, and molecular simulation study of nootkatone-based thiazole-hydrazone compounds as novel succinate dehydrogenase inhibitor.
Pest Manag Sci
January 2025
School of Chemistry and Chemical Engineering, Guangxi University, Nanning, P. R. China.
Background: Plant diseases cause huge losses in agriculture worldwide every year, but the prolonged use of current commercial fungicides has led to the development of resistance in plant pathogenic fungi. Therefore, there is an urgent need to develop new, efficient, and green fungicides.
Results: Twenty-three nootkatone-based thiazole-hydrazone compounds were designed, synthesized, and characterized by Fourier-transform infrared (FTIR), proton (H) nuclear magnetic resonance (NMR), carbon-13 (C) NMR, and high-resolution mass spectrometry (HRMS).
A DIY Bioreactor for in Situ Metabolic Tracking in 3D Cell Models via Hyperpolarized C NMR Spectroscopy.
Anal Chem
January 2025
Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain.
Nuclear magnetic resonance (NMR) spectroscopy is a valuable diagnostic tool limited by low sensitivity due to low nuclear spin polarization. Hyperpolarization techniques, such as dissolution dynamic nuclear polarization, significantly enhance sensitivity, enabling real-time tracking of cellular metabolism. However, traditional high-field NMR systems and bioreactor platforms pose challenges, including the need for specialized equipment and fixed sample volumes.
View Article and Find Full Text PDFA Novel Eco-Friendly Process for the Synthesis and Purification of Ascorbyl-6-Oleates.
Foods
December 2024
Department of Marine Bio Food Science, Gangneung-Wonju National University, 7 Jukheon-gil, Gangneung 25457, Gangwon-do, Republic of Korea.
Commercial ascorbyl-6-O-esters (AEs) are composed of saturated fatty acids with relatively high melting points, resulting in limited solubility in lipophilic media. Therefore, a lipase-catalysed synthesis and purification method for ascorbyl-6-O-oleate (AO) was proposed in this study. The esterification synthesis (i.
View Article and Find Full Text PDFHyperpolarized C NMR Metabolomics of Urine Samples at Natural Abundance Applied to Chronic Kidney Disease.
J Am Chem Soc
January 2025
Nantes Université, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France.
NMR is a central tool in the field of metabolomics, thanks to its ability to provide valuable structural and quantitative information with high precision. Most NMR-based metabolomics studies rely on 1D H detection, which is heavily limited by strong peak overlap. C NMR benefits from a wider spectral dispersion and narrower signal line width but is barely used in metabolomics due to its low sensitivity.
View Article and Find Full Text PDFMultinuclear MRI Can Depict Metabolic and Energetic Changes in Mild Traumatic Brain Injury.
NMR Biomed
January 2025
The MR Research Centre, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
Mild traumatic brain injuries (TBIs) are frequent in the European population. The pathophysiological changes after TBI include metabolic changes, but these are not observable using current clinical tools. We aimed to evaluate multinuclear MRI as a mean of assessing these changes.
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