Massive stars are predominantly born in stellar associations or clusters. Their radiation fields, stellar winds and supernovae strongly impact their local environment. In the first few million years of a cluster's life, massive stars are dynamically ejected and run away from the cluster at high speed.
View Article and Find Full Text PDFMgH used in solid-state hydrogen storage still suffers from high thermal stability and slow hydrogen absorption-desorption kinetics. Here, we report a hybrid of MgH-TiC/graphene prepared through a facile wet chemical method followed by a ball-milling method. It was confirmed that the coupling of TiC and graphene possesses a synergistic effect on the hydrogen desorption and absorption reactions of MgH/Mg.
View Article and Find Full Text PDFIntroduction: An increasing body of evidence suggests a close association between COVID-19 infection and the safety of PD-1/PD-L1 inhibitor therapy in cancer patients. However, the available data concerning these impacts remain limited and occasionally contradictory.
Material And Methods: We conducted a retrospective analysis of cancer patients who received PD-1/PD-L1 inhibitor therapy at the same institution from November 2022 to May 2023.
Background: To improve the capacity of county medical and health services, China encourages all localities to pilot the close-type county medical alliance. In Shandong Province, medical alliances have been piloted in 47 counties, ranking first in the country. The objective of this study is to comprehensively evaluate the implementation of close-type county medical alliance in Shandong Province, identify the differences between different county regions, and analyze the reasons, so as to provide a reference for the construction of a new county medical and health service system with clear goals, powers and responsibilities, and division of labor.
View Article and Find Full Text PDFTea leaf spot caused by is a newly discovered fungal disease in southwest China. Due to a lack of knowledge of its epidemiology and control strategies, the disease has a marked impact on tea yield and quality. Pyriofenone is a new fungicide belonging to the aryl phenyl ketone fungicide group, which has shown marked efficacy in controlling various fungal diseases.
View Article and Find Full Text PDFJ Asian Nat Prod Res
January 2025
Three previously undescribed coumarins (-) were obtained from the roots of . Their chemical structures were elucidated using a variety of spectroscopic techniques and chemical calculations. The inhibitory effects of these new compounds on NO production and pro-inflammatory factors (, , and ) in LPS-stimulated RAW 264.
View Article and Find Full Text PDFJ Chromatogr B Analyt Technol Biomed Life Sci
October 2024
Otolaryngol Head Neck Surg
October 2024
A Gram-staining negative, non-motile, rod-shaped, oxidase negative and catalase positive strain WL0021 was isolated from cricket (Gryllus chinensis) living in the campus of Hohai University. Strain WL0021 was characterized utilizing a polyphasic taxonomy approach. The major fatty acids (> 5%) for strain WL0021 were C and summed feature 8, and the major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, phospholipid, two aminolipids, and an unidentified polar lipid.
View Article and Find Full Text PDFACS Appl Mater Interfaces
October 2024
The utilization of plant-based flow catalytic microreactors has been increasingly gaining traction in the fields of water treatment, energy generation, and biotechnological science due to their inherent channel structures, renewable properties, and environmentally friendly nature. The conventional outside-in strategy for synthesizing plant-based monolithic microreactors typically entails prolonged hydrothermal modification, extensive chemical usage, or energy-intensive equipment. The present study presents a universal inside-out strategy for the rapid synthesis of monolithic catalytic microreactors derived from plant materials.
View Article and Find Full Text PDFBackground: Prostate cancer (PCa) is a leading cause of cancer-related mortality among men, characterized by significant heterogeneity that complicates diagnosis and treatment.
Methods And Results: To enhance our understanding of PCa, we utilized single-cell RNA sequencing (scRNA-seq) data to identify distinct malignant epithelial cell subpopulations and their molecular characteristics. By integrating scRNA-seq data with bulk RNA-seq data, we constructed a prognostic risk score model.
Essential oil of Schott (ATEO) have significant biological activity, but their physical and chemical properties are unstable and susceptible to interference by external factors, resulting in oxidation, decomposition, and isomerization of essential oils (EOs), ultimately diminishing the quality of EOs and escalating clinical risks. In this research, based on the concept of " combination of medicine and adjuvant, " the unsuitable stabilizer in Lingzhu powder prescription was modified with a SiO surface to become a stabilizer suitable for Pickering emulsion. The modified was synthesized, with a focus on exploring the surface modification of to facilitate its role as a stabilizer in Pickering emulsion.
View Article and Find Full Text PDFIntroduction: The mutual activations of multiple signaling pathways are the key factors in the development and progression of myocardial cell injuries.
Objective: This research aimed to compare the different degrees of myocardial injury after coronary stenting, permanent pacemaker implantations, or cardiac radiofrequency ablation and to investigate the effects of the mutual activation of TNF-α/NF-κB, TLR2/TLR4, and ROS/MDA signaling pathways on myocardial injury in elderly patients after coronary stents or permanent pacemakers or radiofrequency ablation.
Methods: We determined reactive oxygen species (ROS), malondialdehyde (MDA), toll-like receptor 2 (TLR2), toll-like receptor 4 (TLR4), nuclear factor kappa B (NF-κB), tumor necrosis factor- α (TNF-α) and high-sensitive cardiac troponin T (hs-cTnT) as a marker of myocardial injury in patients.
The tumor microenvironment, particularly the hypoxic property and glutathione (GSH) overexpression, substantially inhibits the efficacy of cancer therapy. In this article, we present the design of a magnetic nanoplatform (MNPT) comprised of a photosensitizer (Ce6) and an iron oxide (FeO)/manganese oxide (MnO) composite nanozyme. Reactive oxygen species (ROS), such as singlet oxygen (O) radicals produced by light irradiation and hydroxyl radicals (·OH) produced by catalysis, are therapeutic species.
View Article and Find Full Text PDFIn this study, high-amylose starch (HAS) was processed using sulfuric acid-ultrasonic cross-linking to produce high-amylose starch nanocrystals (HASNC). These nanocrystals were used to stabilize Pickering emulsions and assess their effectiveness in encapsulating β-carotene. Normal starch nanocrystals (NSNC) were prepared similarly for comparison.
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