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Latent Profile Analysis of Fatigue Subtypes in Adults with Type 2 Diabetes.
Nurs Res
January 2025
School of Nursing, The University of Texas at Austin.
Background: People with type 2 diabetes mellitus (T2DM) commonly report a higher fatigue intensity than the general population. However, effective fatigue management is lacking because little is known about other fatigue characteristics, including timing, distress, and quality, as well as the potential fatigue subtypes experienced in people with T2DM.
Objective: To describe fatigue intensity, timing, distress, and quality, and identify fatigue subtypes in people with T2DM.
Microscopic Heterogeneity Driven by Molecular Aggregation and Water Dynamics in Aqueous Osmolyte Solutions.
J Chem Inf Model
January 2025
Department of Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.
Water dynamics are investigated in binary osmolyte-water mixtures, exhibiting a microscopic heterogeneity driven by molecular aggregation, on the basis of molecular dynamics (MD) simulation studies. The protecting osmolyte TMAO molecules in solution are evenly dispersed without the formation of noticeable osmolyte aggregates, while the denaturant TMU molecules aggregate readily, generating microscopic heterogeneity in the spatial distribution of component molecules in TMU-water mixtures. A combined study of MD simulation with graph theoretical analysis and spatial inhomogeneity measurement with -values in the two osmolyte solutions revealed that the translational and rotational motions of water in the microheterogeneous environment of TMU-water mixtures are less hindered than those in the homogeneous media of TMAO-water mixtures.
View Article and Find Full Text PDFSerine Hydrolase-Catalyzed Polyol Lipids are Necessary for Rodlet Layer Formation on the Cell Wall of Entomopathogenic Fungi.
J Am Chem Soc
January 2025
College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, P. R. China.
Some key secondary metabolism genes are important for driving the infection process of entomopathogenic fungi; however, their chemical substance basis has not been well investigated. Here, mixtures of polyol lipids are discovered, which are synthesized through iterative chain transfer-esterification-hydrolysis cycles catalyzed by serine hydrolase during the release of online highly reducing polyketide intermediates. Importantly, an gene knockout experiment revealed that the synthesis of polyol lipids is necessary for rodlet layer formation on the cell wall of .
View Article and Find Full Text PDFAntibacterial activities of phytochemical constituents from the leaves of (Olacaceae) and investigations of ursolic acid.
Nat Prod Res
January 2025
Laboratory of Natural Products and Heterocyclic Synthesis, Department of Organic Chemistry, Faculty of Sciences, The University of Yaoundé 1, Yaoundé, Cameroon.
From the leaves of , fourteen compounds were isolated and identified: D-mannitol (), a mixture of β-sitosterol () and stigmasterol (), α-amyrin (), betulin (), lupeol (), lupenone (), betulinic acid (), taraxerol (), 3β-(E)-coumaroyltaraxerol (), 3β-(Z)-coumaroyltaraxerol (), ursolic acid (), stigmasterol 3-O-β-D-glucoside (), and β-sitosterol 3-O-β-D-glucoside (). These compounds were analysed through NMR spectroscopy (both 1D and 2D) and by comparing them to previously published data. Compounds , , , and - have been identified from this species for the first time.
View Article and Find Full Text PDFMolecular dynamics simulations of the structure and dynamics in mixtures of ionic liquids and alcohols.
Phys Chem Chem Phys
January 2025
Department of Chemistry, Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr 75168, Iran.
Molecular dynamics simulations were conducted on mixtures of ionic liquids (ILs) and alcohols, specifically methanol, ethanol, and 1-propanol. Two different ILs, [Mmim][MeSO] and [Bmim][MeSO], were used with varying alcohol mole fractions to investigate the impact of alkyl chain length of cations, alcohol types, and alcohol concentrations on different structural and dynamic properties. Unique characteristics of the ILs were observed due to the varying polarity of solvents and the creation of diverse local environments surrounding the ILs.
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