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Distinct effect of preparation methods on reaction efficiency of Mn-Ce/Al_(2)O_(3) catalysts in low-temperature NH_(3)-SCR

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Journal of Rare Earths 2024年第10期42卷 1865-1872页

作者： Shijie hao Yandi Cai Wei Wei Yanan Lv {1.wei Ji Wei Tan Jingfang Sun Liwei {1. Changjin Tang Lin Dong State Key Laboratory of Pollution Control and Resource Reuse School of EnvironmentJiangsu Key Laboratory of Vehicle Emissions ControlCenter of Modern AnalysisKey Laboratory of Mesoscopic Chemistry of MOESchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210023China Wuxi Weifu Environmental Catalysts Co. LtdWuxi214028China School of Environment Nanjing Normal UniversityNanjing210023China

In this study,a series of Mn-Ce/Al_(2)O_(3) catalysts was prepared by different methods of depositionprecipitation(MnCeAl-DP),impregnation(MnCeAl-IM) and citric acid(MnCeAl-CA),and the distinct effect of preparation methods on NO_(x) removal performance at low temperature was *** show that MnCeAl-DP exhibits not only the best activity but also the highest resistance against SO_(2)/H_(2)*** the assistance of comprehensive characterizations from scanning electron microscopy(SEM),Brunauer-Emmett-Teller(BET),X-ray diffraction(XRD),H_(2)-temperature programmed reduction(H_(2)-TPR),NH_(3)-te mperature programmed deso rption(NH_(3)-TPD),and X-ray photoelectron spectroscopy(XPS),it is revealed that the MnCeAl-DP sample owns admired features of large surface area and pore volume,enriched Mn^(4+) and chemisorbed oxygen species originating from enhanced interaction between MnO_x and CeO_(2),as well as improved adsorption capacity to NH_(3) and *** these factors contribute to activity *** in-situ DRIFTS studies reveal that the improvement of NH_(3)-SCR performance over MnCeAI-DP is related to the formation of abundant nitrate species,which is beneficial to the "NH_(4)NO_(3)" reaction pathway and thus enhances low-temperature activity.

关键词： Mn-Ce/Al_(2)O_(3)catalysts NH_(3)-SCR Low temperature NH_(4)NO_(3) Fast SCR Rare earths

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Migratable Power System Transient Stability AssessmentMethod Based on Improved XGBoost

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Energy Engineering 2024年第7期121卷 1847-1863页

作者： ying Qu Jin{1. Wang Xueting Cheng Jie {1. Weiru Wang Zhewen Niu Yuxiang Wu Electric Power Science Research Institute State Grid Shanxi Electric Power CompanyTaiyuan030000China Department of Electrical and Power Engineering Taiyuan University of TechnologyTaiyuan030024China

The data-driven transient stability assessment(TSA)of power systems can predict online real-time prediction by learning the temporal features before and after ***,the accuracy of the assessment is limited by the quality of the data and has weak *** on this,this paper proposes a method for TSA of power systems based on an improved extreme gradient boosting(XGBoost)***,the gradient detection method is employed to remove noise interference while maintaining the original time series *** this basis,a focal loss function is introduced to guide the training of theXGBoostmodel,enhancing the deep exploration of minority class samples to improve the accuracy of the model ***,to improve the generalization ability of the evaluation model,a transfer learning method based on model parameters and sample augmentation is *** simulation analysis on the IEEE 39-bus system demonstrates that the proposed method,compared to the traditional machine learning-based transient stability assessment approach,achieves an average improvement of 2.1.%in evaluation ***,under scenarios involving changes in topology structure and operating conditions,the accuracy is enhanced by 3.65%and 3.1.%,***,the model updating efficiency is enhanced by 1.–1. times,indicating the model’s transferable and adaptive capabilities across multiple scenarios.

关键词： Transient stability assessment data-driven segmented focusing approximation portability

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TCERG1. hypermethylation is a risk factor of diabetic retinopathy in Chinese children with type 1.diabetes

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International Journal of Ophthalmology(English edition) 2024年第3期17卷 537-544页

作者： Yu Qian ying Xiao Qiu-Rong Lin Z{1.-Yu Xiang Li-Pu Cui jia-Qi Sun Si-Cong Li Xin-Ran Qin Hai-Dong Zou Chen-{1. Yang Pei-Yao Jin Department of Ophthalmology Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai First People’s HospitalShanghai 200080China Shanghai Eye Diseases Prevention&Treatment Center Shanghai Eye HospitalShanghai 200040China National Clinical Research Center for Eye Diseases Shanghai Clinical Research Center for Eye DiseasesShanghai Key Clinical SpecialtyShanghai Key Laboratory of Ocular Fundus DiseasesShanghai Engineering Center for Visual Science and PhotomedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye DiseasesShanghai 200080China Department of Ophthalmology Children’s Hospital of Fudan UniversityShanghai 201102China

●AIM:To identify the differential methylation sites(DMS)and their according genes associated with diabetic retinopathy(DR)development in type 1.diabetes(T1.M)children.●METHODS:This study consists of two surveys.A total of 40 T1.M children was included in the first *** no participant has DR,retina thinning was used as a surrogate indicator for *** lowest 25%participants with the thinnest macular retinal thickness were included into the case group,and the others were *** DNA methylation status was assessed by the Illumina methylation 850K array BeadChip assay,and compared between the case and control *** DMS with a potential role in diabetes were *** second survey included 27 T1.M children,among which four had *** methylation patterns of the four DMS identified by 850K were compared between participants with and without DR by pyrosequencing.●RESULTS:In the first survey,the 850K array revealed 751.sites significantly and differentially methylated in the case group comparing with the controls(|Δβ|>0.1.and Adj.P1. CpG sites were hypermethylated and 432 were hypomethylated in the case group relative to the *** revealed that the transcription elongation regulator 1.like(TCERG1.,cg0768421.)gene was hypermethylated in the four T1.M children with DR(P=0.01.),which was consistent with the result from the first *** methylation status of the other three DMS(cg26389052,cg251.2647,and cg0541.694)showed no difference(all P>0.05)between participants with and without DR.●CONCLUSION:The hypermethylation of the TCERG1. gene is a risk factor for DR development in Chinese children with T1.M.

关键词： DNA methylation 850K array pyrosequencing diabetic retinopathy type 1.diabetes children

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Mendelian randomization analysis of causal relationship between cheese intake and diabetic retinopathy

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International Journal of Ophthalmology(English edition) 2024年第10期17卷 1905-1910页

作者： Cheng-Ye Tang Dong-Yong Tang ying-Qin Yang Yu-Bing Liang {1. Liang Department of Ophthalmology the First Affiliated Hospital of Guangxi Medical UniversityNanning 530000Guangxi Zhuang Autonomous RegionChina Department of Ophthalmology the Affiliated Hospital of Guilin Medical UniversityGuilin 541001Guangxi Zhuang Autonomous RegionChina Department of Anesthesiology Guangxi Medical University Cancer HospitalNanning 530000Guangxi Zhuang Autonomous RegionChina

AIM:To assess whether there is a possible causal link between the intake of cheese and the risk of diabetic retinopathy(DR)utilizing a two-sample Mendelian randomization(MR)***:The research data were obtained from summary statistics of genome-wide association studies(GWAS).Genetic loci closely related to cheese intake were extracted as instrumental variables(IVs),and DR was the outcome *** data were extracted from individuals of European *** data of cheese intake consisted of 451.86 samples with 9851.67 single nucleotide polymorphisms(SNPs),while the DR data consisted of 206234 samples with 1.380446 ***-one genetic loci closely related to cheese intake were selected as *** analysis was performed by inverse-variance weighted(IVW)method and MR-Egger regression *** causal relationship between cheese intake and DR was evaluated using odds ratios(ORs)and 95%confidence intervals(CIs).Egger-intercept test was used to test horizontal pleiotropy and sensitivity analysis was performed by leave-one-out ***:The P value of the IVW method was less than 0.05,indicating a significant negative correlation between cheese intake and ***-Egger regression showed that the intercept was 0.01.with a standard error of 0.022,and a P-value of 0.634,indicating no evidence of horizontal pleiotropy affecting the IVs related to the exposure ***,heterogeneity tests confirmed the absence of heterogeneity,and the“leave-one-out”sensitivity analysis demonstrated that the results were ***:Cheese intake is causally negatively correlated with the occurrence of DR,and cheese intake could reduce the risk of DR.

关键词： cheese intake diabetic retinopathy Mendelian randomization analysis

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Evaluation of genetic response of mesenchymal stem cells to nanosecond pulsed electric fields by whole transcriptome sequencing

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World Journal of Stem Cells 2024年第3期16卷 305-323页

作者： jian-Jing Lin Tong Ning Shi-Cheng jia Ke-jia Li Yong-Can Huang Qiang Liu jian-hao Lin Xin-Tao Zhang Department of Sports Medicine and Rehabilitation Peking University Shenzhen HospitalShenzhen 518036Guangdong ProvinceChina Institute of Medical Science The Second HospitalCheeloo College of MedicineShandong UniversityJinan 250033Shandong ProvinceChina Department of Biomedical Engineering Institute of Future TechnologyPeking UniversityBeijing 100871China Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies Peking University Shenzhen HospitalShenzhen 518036Guangdong ProvinceChina Arthritis Clinical and Research Center Peking University People’s HospitalBeijing 100044China

BACKGROUND Mesenchymal stem cells(MSCs)modulated by various exogenous signals have been applied extensively in regenerative medicine ***,nanosecond pulsed electric fields(nsPEFs),characterized by short duration and high strength,significantly influence cell phenotypes and regulate MSCs differentiation via multiple ***,we used transcriptomics to study changes in messenger RNA(mRNA),long noncoding RNA(lncRNA),microRNA(miRNA),and circular RNA expression during nsPEFs *** To explore gene expression profiles and potential transcriptional regulatory mechanisms in MSCs pretreated with *** The impact of nsPEFs on the MSCs transcriptome was investigated through whole transcriptome *** were pretreated with 5-pulse nsPEFs(1.0 ns at 1. kV/cm,1.Hz),followed by total RNA *** transcript was normalized by fragments per kilobase per *** change and difference significance were applied to screen the differentially expressed genes(DEGs).Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses were performed to elucidate gene functions,complemented by quantitative polymerase chain reaction *** In total,263 DEGs were discovered,with 92 upregulated and 1.1.*** were predominantly enriched in epithelial cell proliferation,osteoblast differentiation,mesenchymal cell differentiation,nuclear division,and wound *** cellular components,DEGs are primarily involved in condensed chromosome,chromosomal region,actin cytoskeleton,and *** aspect of molecular functions,DEGs are mainly involved in glycosaminoglycan binding,integrin binding,nuclear steroid receptor activity,cytoskeletal motor activity,and steroid *** real-time polymerase chain reaction confirmed targeted transcript *** Our systematic investigation of the wide-ranging transcriptional pattern modulated by nsPEFs revealed the differential expression of 26

关键词： Nanosecond pulsed electric fields Whole transcriptome sequencing Mesenchymal stem cells Genetic response Stem cell engineering

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FOXO1.reshapes neutrophils to aggravate acute brain damage and promote late depression after traumatic brain injury

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Military Medical Research 2024年第4期11卷 521-542页

作者： Mi Zhou Yang-Wu-Yue Liu Yu-Hang He Jing-Yu Zhang hao Guo hao Wang jia-Kui Ren Yi-Xun Su Teng Yang jia-Bo Li Wen-Hui He Peng-jiao Ma Man-Tian Mi Shuang-Shuang Dai Department of Biochemistry and Molecular Biology School of Basic MedicineArmy Medical UniversityChongqing 400038China Research Center for Nutrition and Food Safety Chongqing Key Laboratory of Nutrition and HealthInstitute of Military Preventive MedicineArmy Medical UniversityChongqing 400038China Department of Neurosurgery Daping HospitalArmy Medical UniversityChongqing 400042China Department of Trauma and Emergency Southwest HospitalArmy Medical UniversityChongqing 400038China Department of Histology and Embryology Chongqing Key Laboratory of NeurobiologyBrain and Intelligence Research Key Suyixun Laboratory of Chongqing Education CommissionArmy Medical UniversityChongqing 400038China Research Center Seventh Affiliated Hospital of Sun Yat-Sen UniversityShenzhen 518107GuangdongChina

Background:Neutrophils are traditionally viewed as first responders but have a short onset of action in response to traumatic brain injury(TBI).However,the heterogeneity,multifunctionality,and time-dependent modulation of brain damage and outcome mediated by neutrophils after TBI remain poorly ***:Using the combined single-cell transcriptomics,metabolomics,and proteomics analysis from TBI patients and the TBI mouse model,we investigate a novel neutrophil phenotype and its associated effects on TBI outcome by neurological deficit scoring and behavioral *** also characterized the underlying mechanisms both invitro and invivo through molecular simulations,signaling detections,gene expression regulation assessments[including dual-luciferase reporter and chromatin immunoprecipitation(ChIP)assays],primary cultures or co-cultures of neutrophils and oligodendrocytes,intracellular iron,and lipid hydroperoxide concentration measurements,as well as forkhead box protein O1.FOXO1.conditional knockout ***:We identified that high expression of the FOXO1.protein was induced in neutrophils after TBI both in TBI patients and the TBI mouse *** of these FOXO1.igh neutrophils in the brain was detected not only in the acute phase but also in the chronic phase post-TBI,aggravating acute brain inflammatory damage and promoting late TBI-induced *** the acute stage,FOXO1.upregulated cytoplasmic Versican(VCAN)to interact with the apoptosis regulator B-cell lymphoma-2(BCL-2)-associated X protein(BAX),suppressing the mitochondrial translocation of BAX,which mediated the antiapoptotic effect companied with enhancing interleukin-6(IL-6)production of FOXO1.igh *** the chronic stage,the“FOXO1.transferrin receptor(TFRC)”mechanism contributes to FOXO1.igh neutrophil ferroptosis,disturbing the iron homeostasis of oligodendrocytes and inducing a reduction in myelin basic protein,which contributes to the progression of late depression afte

关键词： Traumatic brain injury(TBI) Neutrophil Forkhead box protein O1.FOXO1. Acute stage Chronic stage

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Barley Protein LFBEP-C1.from Lactiplantibacillus plantarum dy-1.Fermented Barley Extracts by Inhibiting Lipid Accumulation in a Caenorhabditis elegans Model

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Biomedical and Environmental Sciences 2024年第4期37卷 377-386页

作者： ZHANG jia Yan LIU Meng Ting LIU Yu {1. DENG Huan BAI Juan XIE jian Hua XIAO Xiang School of Food and Biological Engineering Jiangsu UniversityZhenjiang 212013JiangsuChina State Key Laboratory of Food Science and Technology Nanchang UniversityNanchang 330047JiangxiChina

Objective This study aimed to investigate the lipid-lowering activity of LFBEP-C1.in high glucose-fed Caenorhabditis elegans(***).Methods In this study,the fermented barley protein LFBEP-C1.was prepared and tested for its potential anti-obesity effects on *** worms were fed Escherichia coli OP50(*** OP50),glucose,and different concentrations of *** size,lifespan,movement,triglyceride content,and gene expression were *** results were analyzed using ANOVA and Tukey's multiple comparison *** Compared with the model group,the head-swing frequency of *** in the group of LFBEP-C1.at 20μg/mL increased by 33.88%,and the body-bending frequency increased by 27.09%.This indicated that LFBEP-C1.improved the locomotive ability of *** average lifespan of *** reached 1..55 days,and the body length and width of the *** decreased after LFBEP-C1.***,LFBEP-C1.reduced the content of lipid accumulation and triglyceride *** expression levels of sbp-1.daf-2,and mdt-1. significantly decreased,while those of daf-1.,tph-1.mod-1.and ser-4 significantly increased after LFBEP-C1.*** in these genes explain the signaling pathways that regulate lipid *** LFBEP-C1.significantly reduced lipid deposition in *** fed a high-glucose diet and alleviated the adverse effects of a high-glucose diet on the development,lifespan,and exercise behavior of *** addition,LFBEP-C1.regulated lipid metabolism mainly by mediating the expression of genes in the sterol regulatory element-binding protein,insulin,and 5-hydroxytryptamine signaling pathways.

关键词： LFBEP-C1 Fermentation Protein Caenorhabditis elegans Lipid accumulation Signaling pathway

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Preparation of meter-scale Cu foils with decimeter grains and the use for the synthesis of graphene films

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Journal of Materiomics 2024年第1期10卷 1-6页

作者： Ruitao jia Fangzhu Qing Shurong Wang Yuting Hou Changqing Shen Feng {1. Yang Yang Hongwei Zhu Xuesong Li School of Integrated Circuit Science and Engineering(Exemplary School of Microelectronics) University of Electronic Science and Technology of ChinaChengdu610054China State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of ChinaChengdu610054China Shenzhen Institute for Advanced Study University of Electronic Science and Technology of ChinaShenzhen518110China School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu610054China PipeChina Southwest Pipeline Co. Ltd.Chengdu610041China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing100084China

Chemical vapor deposition(CVD)is the most promising method for the preparation of high-quality and large-area graphene films,especially the epitaxial growth of graphene on large-area single-crystal Cu *** single-crystal Cu foils are normally achieved by thermally annealing the commercial poly-crystalline Cu foils,their size and therefore the size of graphene films grown on them are limited to the size of the reaction *** report a simple and feasible method to prepare large-area Cu foils with decimeter grains by thermally annealing the rolled-up Cu foils,where the Cu layers are separated by thin porous carbon fiber *** carbon fiber cloths prevent Cu layers from sticking to each other at high temperatures while do not block the gas *** such a way,the utilization efficiency of the reaction chamber is significantly improved,e.g.,0.2 m×(1.2)m Cu foils can be processed even in a 5 cm diameter quartz tube ***-quality graphene films grown on such Cu foils are then *** method may be suitable for the annealing of other metal foils to enlarge grain size and the synthesis of other two-dimensional materials on them such as h-BN.

关键词： Graphene Single-crystal Cu Chemical vapor deposition Synthesis

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Efficacy and safety of Tianqi Pingchan Granule,a compound Chinese herbal medicine,for levodopa-induced dyskinesia in Parkinson’s disease:A randomized double-blind placebo-controlled trial

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Journal of Integrative Medicine 2024年第5期22卷 545-551页

作者： Yu Zhang Xiao-bo Zhu Yang Zhao Gui-yun Cui Wen-tao Li Can-xing Yuan {1.n-ping Huang ying Wan Na Wu Lu Song {1.-hao Zhao Yan Liang Chuan-ying Xu Mei-juan Liu Chen Gao Xin-xin Chen Zhen-guo Liu Department of Neurology Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200092China Department of Neurology Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese MedicineNanjing 210022Jiangsu ProvinceChina Parkinson’s Disease Center the Affiliated Hospital of Xuzhou Medical UniversityXuzhou 221004Jiangsu ProvinceChina Department of Neurology Shanghai Municipal Hospital of Traditional Chinese Medicine Affiliated to Shanghai University of Traditional Chinese MedicineShanghai 200071China Department of Neurology Longhua HospitalShanghai University of Traditional Chinese MedicineShanghai 200032China Department of Neurology Wenzhou Central HospitalWenzhou 325000Zhejiang ProvinceChina

Background Patients with Parkinson’s disease(PD)undergoing long-term levodopa therapy are prone to develop levodopa-induced dyskinesia(LID).Amantadine is the main drug recommended for the treatment of LID by current guidelines,but it is far from meeting clinical *** Pingchan Granule(TPG),a compound Chinese herbal medicine,has been developed to relieve symptom of *** This randomized controlled trial evaluated the efficacy and safety of the combination of TPG and amantadine for ***,setting,participants and interventions This is a randomized double-blind placebo-controlled trial,conducted from January 2020 to August 2021.at 6 sites in jiangsu,Zhejiang and Shanghai,*** hundred PD patients with≥0.5 h of LID were randomly assigned to either the TPG plus amantadine group(TPG group)or the placebo plus amantadine group(placebo group),and treated for a period of 1. *** ensure unbiased results,all study participants,investigators and sponsors were unaware of group ***,the data analysts remained blinded until the analysis was *** outcome measures The primary outcome was assessed using the Unified Dyskinesia Rating Scale(UDysRS)(Range 0–1.4).The key secondary end point was improvement of motor and non-motor *** analyses included all enrolled *** One hundred patients were enrolled and randomized into the two treatment *** changes in UDysRS at week 1. were–1..02 for the TPG group and–4.1. for the placebo group(treatment difference–6.83[–1..53 to–3.1.];P=0.0004).Adverse events were reported for 2 of 50 patients(4.0%)in each of the *** This study indicated that a 1.-week treatment of amantadine plus TPG effectively reduced UDysRS scores and was well tolerated,demonstrating the efficacy and safety of TPG for the treatment of LID in PD.

关键词： Parkinson’s disease Tianqi Pingchan Granule Levodopa-induced dyskinesia

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Genetically modified pigs with CD1.3 point mutation are resistant to HP-PRRSV infection

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Zoological Research 2024年第4期45卷 833-844页

作者： ying Liu Lin Yang Hong-Yong Xiang Ming Niu {1.-Cheng Deng Xue-Yuan Li Wen-Jie hao Hong-Sheng Ou-Yang Tong-Yu Liu Xiao-Chun Tang Da-Xin Pang Hong-Ming Yuan State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases Animal Genome Editing Technology Innovation CenterCollege of Animal SciencesJilin UniversityChangchunJilin 130062China Chifeng Best Genetics Technology Co. Ltd.ChifengNei Mongol 024000China Chongqing Jitang Biotechnology Research Institute Co. Ltd.Chongqing 400015China

Porcine reproductive and respiratory syndrome(PRRS)is a globally prevalent contagious disease caused by the positive-strand RNA PRRS virus(PRRSV),resulting in substantial economic losses in the swine *** the CD1.3 SRCR5 domain,either through deletion or substitution,can eff1.ctively confer resistance to PRRSV infection in ***,large fragment modifications in pigs inevitably raise concerns about potential adverse effects on growth *** the impact of genetic modifications on normal physiological functions is a promising direction for developing PRRSV-resistant *** the current study,we identified a specific functional amino acid in CD1.3 that influences PRRSV *** infection experiments conducted on Marc1.5 and PK-1.CD1.3 cells illustrated that the mE535G or corresponding pE529G mutations markedly inhibited highly pathogenic PRRSV(HP-PRRSV)proliferation by preventing viral binding and ***,individual viral challenge tests revealed that pigs with the E529G mutation had viral loads two orders of magnitude lower than wild-type(WT)pigs,confirming effective resistance to *** of the physiological indicators and scavenger function of CD1.3 verified no significant differences between the WT and E529G *** findings suggest that E529G pigs can be used for breeding PRRSV-resistant pigs,providing novel insights into controlling future PRRSV outbreaks.

关键词： PRRSV CD1.3 Point mutation E529G Pigs

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