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Dimeric guaianolide sesquiterpenoids from the flowers of Chrysanthemum indicum ameliorate hepatic steatosis through mitigating SIRT1-mediated lipid accumulation and ferroptosis.
J Adv Res
January 2025
State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, Macao 999078, China; Guangdong-Hong Kong-Macau Join Laboratory for Pharmacodynamic Constituents of TCM and New Drugs Research, University of Macau, Avenida da Universidade, Taipa, Macao 999078, China; Department of Pharmaceutical Sciences and Technology, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macao 999078, China. Electronic address:
Introduction: Non-alcoholic fatty liver disease (NAFLD) acts as the primary contributor to non-alcoholic steatohepatitis, fibrosis, cirrhosis, and potentially hepatocellular carcinoma. The flowers of Chrysanthemum indicum, a traditional edible medicinal herb, have been widely used in China for more than 2000 years. However, the function of C.
View Article and Find Full Text PDFDoubly Linked Azulene Dimer: A Novel Non-benzenoid Isomer of Perylene.
Chemistry
January 2025
Yamaguchi University, Department of Chemistry, 753-8512, Yamaguchi, JAPAN.
We report herein the synthesis of an unprecedented isomer of perylene, dicyclohepta[cd,fg]-as-indacene bearing two phenyl groups (1-Ph) by the nickel-mediated intramolecular homocoupling of a 4,4'-biazulene derivative (2). The X-ray crystallographic analysis and theoretical calculations revealed that 1-Ph adopts a unique helically twisted geometry although the local aromaticity of azulene moieties was preserved. The double covalent linkage of the two azulene skeletons imparts significant orbital interaction, which affords near-infrared (NIR) absorption (up to 1720 nm) and remarkable redox behaviors despite its closed-shell electronic structure.
View Article and Find Full Text PDFSynthesis, crystal structure and properties of -poly[[bis-(4-methyl-pyridine-κ)cobalt(II)]-di-μ-thio-cyanato-κ :;κ :], which shows a rare coordination geometry.
Acta Crystallogr E Crystallogr Commun
January 2025
Institut für Anorganische Chemie, Universität Kiel, Max-Eyth.-Str. 2, 24118 Kiel, Germany.
Reaction of Co(NCS) with 4-methyl-pyridine in water leads to the formation of single crystals of the title compound, [Co(NCS)(CHN)] . The asymmetric unit consists of two crystallographically independent thio-cyanate anions and two crystallographically independent 4-methyl-pyridine coligands in general positions, as well as of two different Co cations, of which one is located on a twofold rotational axis, whereas the second occupies a center of inversion. The methyl H atoms in both 4-methyl-pyridine ligands are disordered and were refined using a split model.
View Article and Find Full Text PDFSynthesis, crystal structure and thermal properties of poly[di-μ-bromido-(μ-2,5-di-methyl-pyrazine)cadmium(II)].
Acta Crystallogr E Crystallogr Commun
January 2025
Institut für Anorganische Chemie, Universität Kiel, Max-Eyth.-Str. 2, 24118 Kiel, Germany.
The title compound, [CdBr(CHN)] , was prepared by the reaction of cadmium bromide with 2,5-di-methyl-pyrazine in water. Its asymmetric unit consists of one Cd cation and one 2,5-di-methyl-pyrazine ligand that are located on a crystallographic mirror plane as well as one bromide anion that occupies a general position. The Cd cations are sixfold coordinated by four bromide anions and two 2,5-di-methyl-pyrazine ligands within slightly distorted -CdBrN octa-hedra.
View Article and Find Full Text PDFSynthesis of zinc oxide/bismuth oxide nanocomposite photocatalyst for visible light-assisted degradation of synthetic dyes and antibacterial application.
Environ Sci Pollut Res Int
January 2025
School of Applied Sciences, Centurion University of Technology and Management, Bhubaneswar, Odisha, India.
Contamination of water resources by artificial coloring agents and the increasing incidence of bacterial illnesses are two significant environmental and public health issues that are getting worse day by day. Traditional treatment techniques frequently fail to address these problems adequately in a sustainable and environmental friendly way. In response, our study presents a novel photocatalyst that demonstrates superior photodegradation capability and antibacterial qualities in catering the above issues.
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