Publications by authors named "Chen Zeng"

Purpose: Among healthy Chinese subjects, two capsules of dabigatran etexilate were tested for bioequivalence.

Method: Fifty healthy subjects were recruited for each of the fasting and postprandial trials in a randomized, two-sequence, open-label, four-cycle, fully replicated trial design of a single 150 mg dose of either the test or the reference formulation of dabigatran etexilate capsules in the fasting and postprandial states. The blood concentration of dabigatran at different time points after administration was determined by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS).

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Bays, as transitional zones in the land-sea continuum, exhibit fluctuating sea-air CO fluxes influenced by climate change and human activities. The role of eutrophic bays as CO sinks is debated, highlighting the need to understand CO dynamics and controlling factors. This research employs the subtropical semi-enclosed Yueqing Bay as a case to investigate the dynamics of pCO and sea-air CO flux, as well as the carbon sink potential in high-nutrient, low-chlorophyll (HNLC) bays through high-resolution underway surveys.

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Despite significant advancements in prevention and treatment, cardiometabolic diseases continue to pose a high burden of incidence and mortality. The chronic progression of these diseases necessitates the identification of early and complementary therapeutic targets to elucidate and mitigate residual risks in patient care. The gut microbiota acts as a sentinel between internal and external environments, transmitting modified risks associated with these factors to the host.

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Capturing and analyzing low-abundance, short-lived, and unstable radical intermediates during electrochemical (EC) reactions is important for understanding EC reaction mechanisms. Herein, we developed a chemical labeling strategy for rapid screening and highly sensitive analysis of EC radical intermediates by mass spectrometry (MS). Taking 5,5-dimethyl-1-pyrroline N-oxide (DMPO) labeling reagent as an example, DMPO can react with radical intermediates to form stable labeling products with characteristic fragmentation daughter ions or neutral loss in tandem MS, so the labeled intermediates can be screened by precursor ions scan or neutral loss scan.

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The transition to renewable energy exacerbates direct land occupation by infrastructure, leading to habitat degradation and biodiversity loss. However, biodiversity loss driven by the production and consumption of different renewable energy deployment scenarios remains largely unquantified. Quantifying biodiversity loss associated with land occupation of renewable energy infrastructure is essential for a sustainable energy transition.

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Objectives: This study compared the silicone replica method with swept-source optical coherence tomography (SS-OCT) to analyze marginal adaptation and investigated the effect of the light incidence angle of SS-OCT on measurement precision.

Materials And Methods: A typodont-prepared mandibular right first molar was scanned using an intraoral scanner (Trios 3). Fourteen crowns were fabricated from CAD/CAM resin blocks (Katana Avencia P) using a 5-axis milling machine (DWX-50).

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Accurate computational determination of RNA-protein interactions remains challenging, particularly when encountering unknown RNAs and proteins. The limited number of RNAs and their flexibility constrained the effectiveness of the deep-learning models for RNA-protein interaction prediction. Here, we introduce ZHMolGraph, which integrates graph neural network and unsupervised large language models to predict RNA-protein interaction.

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Background: Resin cements often require substrate-specific pretreatment. Recently, universal adhesive systems have been introduced, simplifying procedures by eliminating the need for multiple adhesives and offering options that do not require light curing. This study investigated the bonding performance of universal adhesive systems combined with dual-polymerising resin cements on enamel, dentin, zirconia, lithium disilicate ceramics (LDS), and resin blocks.

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Nitrogen fixation is essential for the sustainable development of both human society and the environment. Due to the chemical inertness of the N≡N bond, the traditional Haber-Bosch process operates under extreme conditions, making nitrogen fixation under ambient conditions highly desirable but challenging. In this study, we present an ultrasonic atomizing microdroplet method that achieves nitrogen fixation using water and air under ambient conditions in a rationally designed sealed device, without the need for any catalyst.

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Article Synopsis
  • The study examined how myopia affects the thickness and structure of retinal blood vessels using advanced imaging technology in 100 participants.
  • The findings revealed that individuals with high myopia had significantly lower vessel density and thinner retinal layers, particularly noticeable in the superficial and nerve fiber layers.
  • There was a noted correlation between certain ocular parameters, such as axial length to curvature radius ratio, and retinal thickness in non-high myopic eyes, while high myopic eyes showed less correlation in these aspects.
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Congenital extrahepatic portosystemic shunt, also known as Abernethy malformation, is a rare anatomic vascular malformation. Patients with Abernethy malformation may present with abdominal pain, abnormal liver function tests, hepatopulmonary syndrome, pulmonary hypertension, and/or portosystemic encephalopathy. Accurate identification of the shunt and portal vein and effective management of complications is vital in these patients.

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Article Synopsis
  • This study aimed to evaluate how genetic variations in the ABCB1 and CES1 genes affect dabigatran plasma concentrations in healthy Chinese subjects using a population pharmacokinetic (PopPK) approach.
  • A total of 1,926 pharmacokinetic samples from 123 individuals taking 150 mg of dabigatran were analyzed, revealing that food intake and the ABCB1 SNP rs4148738 significantly influenced drug absorption and clearance.
  • The PopPK model effectively described the pharmacokinetics of dabigatran, indicating that both genetic factors and food consumption can affect how the drug is processed in the body.
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Background: Non-small cell lung cancer-not otherwise specified (NSCLC-NOS) is a rare subtype of NSCLC that cannot be classified specifically based on morphology and/or special staining. This study aimed to explore the clinical features, biological and pathological characteristics, treatment, and prognosis of NSCLC-NOS.

Methods: This retrospective study included NSCLC-NOS patients diagnosed and treated between 2010 and 2022.

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The synthesis of efficient and stable peroxymonosulfate (PMS) catalysts by doping naturally degradable and functional group-rich chitosan (CS) with nonmetallic atoms remains challenging. In this study, an environmentally friendly electron-rich S-doped CS ferrocarbon material (Fe-S-CN) was synthesized via the sol-gel method, and the resulting material exhibited excellent catalytic activity (up to 98.6 % diclofenac sodium (DCF) removal in 5 min), wide pH applicability, environmental tolerance and renewability.

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Protein-ligand binding affinity prediction is a crucial and challenging task in the field of drug discovery. However, traditional simulation-based computational approaches are often prohibitively time-consuming, limiting their practical utility. In this study, we introduce a novel deep learning method, CPIScore, which leverages the capabilities of Transformer and Graph Convolutional Networks (GCN) to enhance the prediction of protein-ligand binding affinity.

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The dynamic crack propagation trajectories play a crucial role in enhancing our understanding of spatial mechanisms involved in crack expansion. However, visualization of internal cracks under complex crack conditions has always been a challenge. Biological networks have been honed by many cycles of evolutionary selection pressure and are likely to yield reasonable solutions to such combinatorial optimization problems.

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In recent years, adhesive thermal interface materials have attracted much attention because of their reliable adhesion properties on most substrates, preventing moisture, vibration impact, or chemical corrosion damage to components and equipment, as well as solving the heat dissipation problem. However, thermal interface materials have a huge contradiction between strong adhesion and high thermal conductivity. Here, we report a polymer-based thermal interface material consisting of polydimethylsiloxane/spherical aluminum fillers, which possesses both adhesion properties (adhesion strength of 3.

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  • This study investigates how effective ultrasounds are in diagnosing testicular torsion in children who have scrotal pain and swelling, involving 120 pediatric cases from 2017 to 2022.
  • Out of the diagnosed cases, the ultrasound showed no blood flow in 78 cases, and among patients treated, most had favorable outcomes regardless of the treatment method (manual reduction or surgery).
  • The results indicate that ultrasound diagnosis has high sensitivity (95.24%) and accuracy (89.29%), highlighting its importance in early diagnosis and treatment for better patient outcomes.
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The selective hydrogenation of 5-hydroxymethylfurfural (HMF) to 2,5-bishydroxymethyltetrahydrofuran (BHMTHF), a vital fuel precursor and solvent, is crucial for biomass refining. Herein, we report highly selective and stable PdNi nanoalloy catalysts for this deep hydrogenation process. A CO-assisted green method was developed for the controllable synthesis of various bimetallic and monometallic catalysts.

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Article Synopsis
  • - The study investigates the causal relationship between coronary heart disease (CHD), coronary atherosclerosis, angina, myocardial infarction (MI), and atrial fibrillation (AF) using a method called two-sample Mendelian randomization.
  • - Mendelian randomization relies on genetic variations to assess causality, based on three key assumptions: the genetic variant relates to the exposure, is free of confounding factors, and only influences the outcome through that exposure.
  • - Findings suggest a genetic link where CAAs, angina, and MI increase the risk of AF, and AF may also heighten the risk of CAAs, highlighting the importance of regular monitoring and appropriate treatment for patients with CHD and AF. *
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Article Synopsis
  • The study investigates how temperature changes affect the synthesis of a carbon-based nitrogen-doped MOF-derived composite catalyst (MN@C) made from MIL-88B(Fe) and its catalytic properties.
  • It found that variations in iron nanoparticles and carbon/nitrogen content altered degradation pathways, with the MN@C-9 catalyst achieving 100% removal of carbamazepine in just 10 minutes.
  • The catalyst maintains efficiency across various pH levels and water conditions, demonstrating the potential for effective removal of pollutants from pharmaceuticals and personal care products, while significantly reducing the toxicity of byproducts.
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Rett syndrome (RTT), a severe neurodevelopmental disorder caused by mutations in the MeCP2 gene, is characterized by cognitive and social deficits. Previous studies have noted hypoactivity in the medial prefrontal cortex (mPFC) pyramidal neurons of MeCP2-deficient mice (RTT mice) in response to both social and nonsocial stimuli. To further understand the neural mechanisms behind the social deficits of RTT mice, we monitored excitatory pyramidal neurons in the prelimbic region of the mPFC during social interactions in mice.

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The molecular generation models based on protein structures represent a cutting-edge research direction in artificial intelligence-assisted drug discovery. This article aims to comprehensively summarize the research methods and developments by analyzing a series of novel molecular generation models predicated on protein structures. Initially, we categorize the molecular generation models based on protein structures and highlight the architectural frameworks utilized in these models.

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Soft elastomer composites are promising functional materials for engineer interfaces, where the miniaturized electronic devices have triggered increasing demand for effective heat dissipation, high fracture energy, and antifatigue fracture. However, such a combination of these properties can be rarely met in the same elastomer composites simultaneously. Here a strategy is presented to fabricate a soft, extreme fracture tough (3316 J m) and antifatigue fracture (1052.

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Background: The presence of distant metastasis at the time of initial diagnosis is a prevalent issue in non-small cell lung cancer (NSCLC), affecting around 30-40 % of the patients. Acidic tumor microenvironment (TME) provides favorable conditions that increase the invasiveness and aggressiveness of NSCLC. The activity of the glycolytic enzyme lactate dehydrogenase (LDHA) increases intracellular lactate accumulation, which creates an acidic TME.

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