Publications by authors named "Yujun Zhu"

Background: Lung cancer has high mortality rates globally, with inflammatory processes playing a pivotal role in NSCLC progression. Peripheral blood inflammation markers offer promise for NSCLC risk assessment and prediction.

Methods: A retrospective case-control study included 50 NSCLC patients and 50 healthy individuals admitted for routine health examinations as controls.

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Swine acute diarrhoea syndrome coronavirus (SADS-CoV) causes vomiting, severe diarrhoea and death in newborn piglets. The spike (S) protein plays a crucial role in promoting virus invasion and inducing neutralizing antibody production. In this study, the extracellular region of the S protein was used as an immunogen to immunize BALB/c mice.

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With the rapid development of the internet of things (IoT) era, IoT devices may face limitations in battery capacity and computational capability. Simultaneous wireless information and power transfer (SWIPT) and mobile edge computing (MEC) have emerged as promising technologies to address these challenges. Due to wireless channel fading and susceptibility to obstacles, this paper introduces intelligent reflecting surfaces (IRS) to enhance the spectral and energy efficiency of wireless networks.

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Grain weight and grain shape are important traits that determine rice grain yield and quality. Mining more quantitative trait loci (QTLs) that control grain weight and shape will help to further improve the molecular regulatory network of rice grain development and provide gene resources for high-yield and high-quality rice varieties. In the present study, a QTL for grain length (GL) and grain width (GW), , was firstly fine-mapped into a 21.

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Article Synopsis
  • Lambert-Eaton myasthenic syndrome (LEMS) is a rare autoimmune disease caused by antibodies targeting calcium channels at the neuromuscular junction, often related to cancers.
  • A significant number of LEMS patients (40-62%) also have small cell lung cancer, but cases linked to gastrointestinal cancers are less commonly reported.
  • This article focuses on a young woman with rectal cancer and liver metastasis who developed LEMS, aiming to share clinical insights and decrease the potential for misdiagnosis.
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Facilitating the surface reconstruction of pre-catalysts has been considered an effective strategy for constructing low-cost and highly efficient OER electrocatalysts. Metal doping is a feasible way to activate the surface reconstruction, thus enhancing the OER performance. Herein, we report a facile hydrothermal method to synthesize a series of Zn-doped Ni-MOF on nickel foam (NiZn-MOF/NF) as promising pre-catalysts toward the oxygen evolution reaction (OER).

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Article Synopsis
  • * Researchers fine-mapped two QTL related to grain size, focusing on regions of chromosome 10 that influence traits like 1000 grain weight and grain width.
  • * The findings reveal specific genetic alleles that contribute to increased grain weight and length, which may be vital for future rice breeding efforts.
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Promoting lattice oxygen mobility of Co-based catalysts is crucial to making progress in catalytic oxidation technology. The addition of manganese, a transition metal with similar ionic radius to cobalt and variable valence, was supposed to enhance the mobility of lattice oxygen species of Co-based oxide. A range of hollow CoMnO sub-nanosphere catalysts with different Mn/Co ratios was synthesized via a template-sacrificed method, and the effects of different Mn/Co ratios on the structural properties of the catalysts and their catalytic performance for benzene series volatile organic compounds (VOCs) oxidation were investigated.

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This work investigates the influence of catalyst HZSM-5 on the isomerization of 2,5-dichlorotoluene (2,5-DCT) to produce 2,4-dichlorotoluene (2,4-DCT). We observe that hydrothermal treatment leads to a decrease in total acidity and Brønsted/Lewis ratio of HZSM-5 while generating new secondary pores. These characteristics result in excellent selectivity for post-hydrothermal modified HZSM-5 in the isomerization reaction from 2,5-DCT to 2,4-DCT.

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Nanoparticle-assisted polymerase chain reaction (nanoPCR) is a novel method for the rapid detection of pathogens. A sensitive and specific multiple nanoPCR assay was developed for simultaneous detection of avian leucosis virus (ALV) subgroups A, B and J. In this study, three pairs of primers were designed, based on the conserved region of the gp85 gene.

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An electrochemical method for the decarboxylative alkylation of β-ketoacids with phenol derivatives has been developed. The protocol was carried out in readily available unseparated cells at room temperature in the absence of catalysts and oxidants. The corresponding aryl ketones were obtained in satisfactory yields without additional electrolytes, and were easy to produce in gram-scale synthesis.

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Older people have higher risk of experiencing medication-related problems (MRPs), leading to increased morbidity, health care use, and mortality. Few studies have examined the pathway between limited English proficiency (LEP) among older people and health service use through MRPs. This study aimed to explore the association of LEP among Latino older people with MRPs and their relationship to emergency room (ER) visits.

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Background: Ectromelia virus (ECTV) is the causative agent of mousepox in mice. In the past century, ECTV was a serious threat to laboratory mouse colonies worldwide. Recombinase polymerase amplification (RPA), which is widely used in virus detection, is an isothermal amplification method.

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Background: Goose astrovirus (GoAstV) is an important pathogen that causes joint and visceral gout in goslings. It has been circulating in many provinces of China since 2017. Goose astrovirus genotypes 2 (GoAstV-2) is the main epidemic strain, and its high morbidity and mortality have caused huge economic losses to the goose industry.

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Article Synopsis
  • The study examines how secondary ligands in coordination polymers (CPs) influence their chemical stability and catalytic activity, specifically for oxidative cross-coupling reactions.
  • Four new isostructural CPs (Co-CP-R) were synthesized, and their performance was evaluated in oxidative amination and oxidative coupling reactions, revealing notable differences in stability based on the substituent groups.
  • Density functional theory (DFT) calculations indicated that these differences in reactivity were linked to how substituent groups affect the electron transition energy of the cobalt(II) in the CPs, underscoring the importance of ligand choice in optimizing these materials for catalytic applications.
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S-217622 (Ensitrelvir) is a reversible severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) 3-chymotrypsin-like protease (3CL) inhibitor which obtained emergency regulatory approval in Japan for the treatment of SARS-CoV-2 infection on Nov 22, 2022. Herein, analogs of S-271622 with deuterium-for-hydrogen replacement were synthesized for comparison of the antiviral activities and pharmacokinetic (PK) profiles. Compared to the parent compound, C11-d2-S-217622 compound YY-278 retained in vitro activity against 3CL and SARS-CoV-2.

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Swine acute diarrhea syndrome coronavirus (SADS-CoV), which causes severe diarrhea in newborn piglets, was first identified in Southern China in 2017. Since the Nucleocapsid (N) protein in SADS-CoV is highly conserved and plays a key role in virus replication, it is often used as a target protein in scientific research. In this study, the N protein of SADS-CoV was successfully expressed, and a new monoclonal antibody (mAb), 5G12, against the protein was generated successfully.

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Catalytic oxidation is considered a highly effective method for the elimination of volatile organic compounds. Oxygen vacancy defect engineering in a catalyst is considered an effective approach for high-performance catalysts. Herein, a series of doped MnCeO catalysts (x = 0.

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The copper-peroxy complex (Cu-OOSO) metastable intermediate has been confirmed to oxidize contaminants via a single-electron-transfer pathway or an oxygen-atom-transfer pathway. And the effects of Cu oxidation states and reaction pH conditions on the intermediate properties have not been explored in depth. Here, copper oxide (CuO) catalysts with different Cu oxidation states were synthesized by a simple precipitation method by controlling the reaction temperature from 0 to 45 °C.

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Coronaviruses (CoVs) infect a broad range of hosts, including humans and various animals, with a tendency to cross the species barrier, causing severe harm to human society and fostering the need for effective anti-coronaviral drugs. GS-441524 is a broad-spectrum antiviral nucleoside with potent anti-CoVs activities. However, its application is limited by poor oral bioavailability.

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Grain weight and size, mostly determined by grain length, width and thickness, are crucial traits affecting grain quality and yield in rice. A quantitative trait locus controlling grain length and width in rice, qGS1-35.2, was previously fine-mapped in a 57.

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Catalytic oxidation is considered as the most effective and economical method to remove low concentration volatile organic compounds (VOCs). Activation of oxygen to form active oxygen species on metal oxides catalyst plays a key role in the process. Three copper-manganese oxide catalysts with cubic CuMnO phases were prepared by microwave heating (CM-MW), sol-gel (CM-SG) and co-precipitation (CM-CP) methods, and applied for the elimination of toluene and benzene as representative aromatic VOCs.

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Article Synopsis
  • Grain shape and size significantly impact rice quality and yield, with a specific gene identified as a key determinant.
  • Knockout experiments revealed that the gene influences grain dimensions; its absence led to narrower grains and reduced weight, while overexpression resulted in notable improvements.
  • The study suggests that understanding this gene's regulatory role could enhance rice breeding for better grain appearance and quality.
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