Publications by authors named "Guo D"

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.

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MgH 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.

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  • The study looked at how certain personality traits and thinking skills (called metacognition) affect the dedication of nursing students towards their profession.
  • They surveyed over 3,600 nursing students in China to see how these traits and skills related to their commitment to being a nurse.
  • Results showed that students with more positive personality traits were much more committed to their nursing careers compared to those with negative traits.
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Introduction: 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.

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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.

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Tea 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.

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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.

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  • * A new method involving metabolomics techniques like UPLC-MS/MS and DESI-MSI was used to analyze metabolic changes in STC rats, revealing that SHTB treatment normalized abnormal bile acid levels and reduced intestinal injury by increasing muscle layer thickness.
  • * SHTB treatment inhibited the excessive reabsorption of bile acids in the ileum by affecting specific transporters and significantly increased the presence of beneficial bile acids in the colon tissue of STC
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  • The study investigated how connexin26 (Cx26) and connexin30 (Cx30) contribute to permanent threshold shifts (PTS) and temporary threshold shifts (TTS) in the cochlea after noise exposure.
  • Researchers used a mouse model and techniques like Western blots to analyze the expression levels of Cx26 and Cx30, finding that their levels changed significantly in response to different noise exposure durations.
  • Results indicate that Cx26 and Cx30 play a role in the cochlea's response to noise, with expression patterns connected to mechanisms like oxidative phosphorylation, suggesting a need for more research in this area.
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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.

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  • Pseudostellaria heterophylla, a plant used in traditional Chinese medicine, is known for treating spleen deficiency, fatigue, and loss of appetite, and has garnered global interest for its medicinal properties.
  • The review aims to provide a detailed analysis of P. heterophylla's ethnopharmacology and various scientific aspects, while also highlighting new avenues for future research.
  • More than 289 active compounds have been discovered in P. heterophylla, indicating its potential effectiveness in treating conditions like cancer, cardiovascular diseases, and diabetes, supported by extensive pharmacological studies.
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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.

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  • The study investigates the link between uric acid levels and pulmonary embolism (PE), particularly how this relationship varies by age.
  • A total of 368 patients were analyzed, revealing that those with PE had significantly higher uric acid levels compared to those without, especially in the elderly group.
  • High uric acid levels independently pose a risk for PE in individuals aged 60 and older, indicating the need for further focus on this demographic.
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  • Plant glycosyltransferases (UGTs) help plants grow and live better by affecting their metabolism.
  • In a study of 28 plant species, researchers found that UGTs in tea plants expanded a lot, while some other gene groups shrank.
  • The study showed that some UGT genes help tea plants deal with weather conditions like cold and drought, and that tea growers may have changed the plants to make them taste better and stronger in cold weather.
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Background: 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.

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  • The buildup of nitrates poses significant health and environmental risks, prompting research into converting them into valuable ammonia using renewable energy through a process called electrochemical nitrate reduction reaction (e-NORR).
  • Group VIII-based catalysts show promise for e-NORR due to their high efficiency, affordability, and effective electron transfer, with various forms like monatomic and bimetallic catalysts being explored.
  • The review discusses methods to improve catalyst performance and the ammonia recovery process, while also examining the current state of research to facilitate large-scale nitrate reduction applications in industrial wastewater treatment.
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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.

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  • Hip arthroscopy is increasingly common for treating hip joint diseases, but there is debate on whether to close the joint capsule after the procedure, and the effects of this closure remain unclear.
  • This study aims to assess the outcomes of a modified shoelace suture technique for hip capsule closure and its safety compared to non-closure in patients who underwent hip arthroscopy.
  • After reviewing 100 patients, findings revealed that while surgical time was longer in the capsular closure group, there were no significant differences in hospital stay or patient-reported outcomes between the closure and non-closure groups after 12-15 months of follow-up.
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Introduction: 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.

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  • Preclinical studies indicate that combining eribulin with carboplatin may enhance treatment effectiveness for metastatic breast cancer (mBC), but clinical evidence is scarce, prompting a study on the combination therapy's efficacy and safety.
  • The study included 37 patients with either metastatic triple negative breast cancer (TNBC) or hormone receptor (HR) positive, HER2-negative mBC, receiving a set regimen of eribulin and carboplatin, which showed positive outcomes across objective response, disease control rates, and survival metrics.
  • Results showed promising efficacy with median overall survival around 12.7 months and manageable safety profile, highlighting the need for further research to explore this treatment combination in earlier
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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.

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In 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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