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Dynamics of Pyrene Excimer in a Cholesteryl-based Supramolecular Host Matrix.
Chemphyschem
January 2025
IISER Bhopal: Indian Institute of Science Education and Research Bhopal, Department of Chemistry, Bhopal Bypass Road, Bhauri, 462066, Bhopal, INDIA.
Aggregation-caused quenching (ACQ) reduces luminescence and compromises brightness in solid-state displays, necessitating strategies to mitigate its effects for enhanced performance. This study presents cost-effective method to mitigate ACQ of pyrene by co-assembling polycyclic aromatic hydrocarbons within low molecular weight gelator. Synthesized from readily available materials-cholesteryl chloroformate and pentaerythritol-in one-step reaction, gelator incorporates four cholesteryl units, reported to promote robust supramolecular gels in various solvents.
View Article and Find Full Text PDFThe safety, tolerability, pharmacokinetics and pharmacodynamics of an optimized dual GLP-1/GIP receptor agonist (BGM0504) in healthy volunteers: A dose-escalation Phase I study.
Diabetes Obes Metab
January 2025
Research Center of Clinical Pharmacology, The First Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, China.
Objective: Previous experiments have demonstrated that BGM0504, a GLP-1R/GIPR dual agonist drug by molecular dynamics-guided optimization, had enhanced agonistic activity compared to tirzepatide. This study aims to investigate its safety, tolerability, pharmacokinetics (PK) and pharmacodynamics (PD) in Chinese healthy volunteers.
Methods: A randomized, double-blind, placebo-controlled and dose-escalation Phase I study was conducted as follows: a single dose (2.
Successful Treatment of Severe Ectopic ACTH-Dependent Cushing Syndrome Complicated by Hypocalcemia With Osilodrostat.
JCEM Case Rep
February 2025
Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Cushing syndrome due to ectopic adrenocorticotropic hormone (ACTH) secretion (EAS) is rare and may progress rapidly, making treatment very challenging. We report a 27-year-old woman with metastatic neuroendocrine tumor (NET) who presented with sudden onset and rapidly progressing fatigue, muscle weakness, and weight gain. Laboratory findings confirmed severe EAS with new onset hypocalcemia, hypokalemia, and hyperglycemia.
View Article and Find Full Text PDFCharacterization of Amorphous Ibrutinib Thermal Stability.
Org Process Res Dev
January 2025
Department of Chemical Engineering, University of Chemistry and Technology, Technická 3, Prague 6, Dejvice 166 28, Czech Republic.
The choice of method for drug amorphization depends on various factors, including the physicochemical properties of the active pharmaceutical ingredients, the desired formulation, and scalability requirements. It is often important to consider a combination of methods or the use of excipients to further enhance the stability and performance of the amorphous drug. This study presents a comparison of techniques including melt quench, hot melt extrusion, solvent evaporation, ball milling, and lyophilization used for the preparation of amorphous ibrutinib.
View Article and Find Full Text PDFPreparation, structural property, and antioxidant activities of a novel pectin polysaccharide from the flowers of Linn.
Front Nutr
January 2025
Prefabricated Dish Industry Development Research Institute, Zhejiang Dong Fang Polytechnic, Wenzhou, China.
Introduction: Oxidative stress, triggered by an imbalance between reactive oxygen species (ROS) production and cellular antioxidant defense mechanisms, is implicated in various pathological conditions. Plant-derived polysaccharides have gained significant attention as potential natural antioxidants due to their biocompatibility, biodegradability, and structural versatility.
Methods: This study focuses on the purification, structural characterization, and antioxidant activities of a novel pectin polysaccharide (HFPS) isolated from the flowers of Linn.
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