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Quantitative assessment of the breast cancer marker HER2 using a gold nanoparticle-based lateral flow immunoassay

Nano Research 2024年第6期17卷 5452-5460页

作者： Liya ye Xinxin Xu Aihua Qu Liqiang Liu Chuanlai Xu Hua Kuang International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and TechnologyJiangnan UniversityWuxi 214122China

Human epidermal growth factor receptor 2(HER2)is an important biomarker for detection and treatment of breast *** this study,we developed monoclonal antibodies against the extracellular domain(ECD)of HER2 and established a rapid and accurate lateral flow immunoassay(LFIA)for use in community medical *** gene sequence of human HER2-ECD was obtained from the National Center for Biotechnology Information(NCBI)to construct the expression ***2-ECD protein expressed in HEK293F cells was used to immunize BALB/c *** monoclonal antibodies were produced in mouse ascites and isolated by hybridoma cell *** were analyzed for purity by SDS-PAGE(sodium dodecyl sulphate-polyacrylamide gel-electrophoresis)and affinity was assessed by enzyme-linked immunosorbent assay(ELISA)while subtypes were detected using the commercial *** HER2-ECD test strip was prepared based on the sandwich method and evaluated using a portable detection *** affinity of the paired antibodies,4D8 and 8D9,both reached 1×108 L/*** antibodies specifically recognized the HER2-ECD protein in *** limit of detection(LOD)of the gold nanoparticle(AuNP)-based LFIA was 1.7 ng/mL with a detection range of 1.7-400 ng/mL,and the performance of the HER2-ECD strip correlated well with that of a Siemens chemiluminescent immunoassay(CLIA)*** conclusion,the paired antibodies were successfully prepared with high affinity and *** AuNP-based LFIA of HER2-ECD provides a fast and accurate method to detect the concentration of HER2-ECD in serum samples for clinical use in community medical institutions,and could contribute to determining the progress of the disease or the effectiveness of treatment.

关键词： human epidermal growth factor receptor 2 breast cancer monoclonal antibody quantitative lateral flow immunoassay

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Intake of tobacco nitrosamines of smokers in various provinces of China and their cancer risk:A meta-analysis

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Journal of Environmental Sciences 2024年第7期141卷 249-260页

作者： Xiao Li Zhiwei ye Jun Wang Pengfei Lin Xiaojin Zhang Shuguang Xie Chao Chen Research Institute for Environmental Innovation(Suzhou) TsinghuaSuzhouJiangsu 215163China State Key Joint Laboratory of Environmental Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing 100084China Shenzhen Key Laboratory of Organic Pollution Prevention and Control State Key Laboratory of Urban Water Resource and EnvironmentHarbin Institute of TechnologyShenzhen 518055China State Key Joint Laboratory of Environmental Simulation and Pollution Control College of Environmental Science and EngineeringPeking UniversityBeijing 100871China

Nitrosamines are a class of carcinogens which have been detected widely in food,water,some pharmaceuticals as well as *** objectives of this paper include reviewing the basic information on tobacco consumption and nitrosamine contents,and assessing the health risks of tobacco nitrosamines exposure to Chinese *** searched the publications in English from“Web of Science”and those in Chinese from the“China National Knowledge Infrastructure”in 2022 and collected 151 literatures with valid *** content of main nitrosamines in tobacco,including 4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone(NNK),N-nitrosonornicotine(NNN),N-nitrosoanatabine(NAT),N-nitrosoanabasine(NAB),total tobacco-specific nitrosamines(TSNA),and N-nitrosodimethylamine(NDMA)were *** information of daily tobacco consumption of smokers in 30 provinces of China was also ***,the intakes of NNN,NNK,NAT,NAB,TSNAs,and NDMA via tobacco smoke were estimated as 1534ng/day,591 ng/day,685 ng/day,81 ng/day,2543 ng/day,and 484 ng/day by adult smokers in30 provinces,*** cancer risk(CR)values for NNN and NNK inhalation intake were further calculated as 1.44×10^(-5)and 1.95×10^(-4).The CR value for NDMA intake via tobacco smoke(inhalation:1.66×10^(-4))indicates that NDMA is similarly dangerous in tobacco smoke when compared with the *** China,the CR values caused by average nitrosamines intake via various exposures and their order can be estimated as the following:smoke(3.75×10^(-4))>food(1.74×10^(-4))>drinking water(1.38×10^(-5)).Smokers in China averagely suffer 200%of extra cancer risk caused by nitrosamines in tobacco when compared with non-smokers.

关键词： N-nitrosamine Tobacco Cancer risk Tobacco specific nitrosamines(TSNAs) N-nitrosodimethylamine(NDMA)

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Effect of organic mineral supplementation in reducing oxidative stress in Holstein calves during short‑term heat stress and recovery conditions

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Journal of Animal Science and Biotechnology 2024年第2期15卷 812-825页

作者： A-Rang Son Seon-Ho Kim Mahfuzul Islam Michelle Miguel ye Pyae Naing Sang-Suk Lee Ruminant Nutrition and Anaerobe Laboratory Department of Animal Science and TechnologySunchon National UniversitySuncheon 57922Korea Department of Microbiology and Parasitology Sher-e-Bangla Agricultural UniversityDhaka 1207Bangladesh

Background This study investigated the effects of inorganic and organic minerals on physiological responses,oxidative stress reduction,and rumen microbiota in Holstein bull calves(123.81±9.76 kg;5 months old)during short-term heat stress(HS)and recovery *** Holstein calves were randomly assigned to four treatment groups:no mineral supplementation(Con),inorganic minerals(IM),organic minerals(OM),and high-concentration organic minerals(HOM)and two thermal environments(HS and recovery)using 4×2 factorial arrangement in a crossover design of four periods of 35 *** were maintained in a temperature-controlled *** experimental period consisted of 14 d of HS,14 d of recovery condititon,and a 7-d washing *** Body temperature and respiration rate were higher in HS than in the recovery conditions(P2.00μg/dL)(Png the HS period,the serum cortisol was 20.26 ng/mL in the HOM group,which was 5.60 ng/mL lower than in the control group(P2.71 mmol Trolox equivalent/L),followed by the HOM group during HS,whereas it was highest in the HOM group(2.58 mmol Trolox equivalent/L)during the recovery period(Png the HS and recovery periods,whereas SOD and GPX levels were not significantly affected(P>0.05).The principal coordinate analysis represented that the overall rumen microbiota was not influenced by mineral supplementation;however,temperature-induced microbial structure shifts were indicated(PERMANOVA:P<0.05).At the phylum level,Firmicutes and Actinobacteria decreased,whereas Fibrobacteres,Spirochaetes,and Tenericutes increased(P<0.05),under HS *** genus Treponema increased under HS conditions,while Christensenella was higher in recovery conditions(P<0.05).Conc

关键词： Antioxidant status Heat stress Holstein bull calves Organic mineral supplementation Oxidative stress

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Drug-eluting bead transarterial chemoembolization as neoadjuvant therapy pre-liver transplantation for advanced-stage hepatocellular carcinoma

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World Journal of Gastrointestinal Oncology 2024年第6期16卷 2476-2486页

作者： Zhao-Dan ye Li Zhuang Meng-Chen Song Zhe Yang Wu Zhang Jing-Feng Zhang Guo-Hong Cao Department of Radiology Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhou 310022Zhejiang ProvinceChina Department of Hepatobiliary and Pancreatic Surgery Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhou 310022Zhejiang ProvinceChina Diagnostic and Therapeutic Center for Difficult Diseases Hwa Mei HospitalUniversity of Chinese Academy of SciencesNingbo 315010Zhejiang ProvinceChina

BACKGROUND The objectives of this study were to assess the safety and efficacy of drug-eluting bead transarterial chemoembolization(DEB-TACE)as neoadjuvant therapy before liver transplantation(LT)for advanced-stage hepatocellular carcinoma(HCC)and to analyze the prognostic *** To determine whether DEB-TACE before LT is superior to LT for advanced-stage *** A total of 99 individuals diagnosed with advanced HCC were studied *** participants were categorized into the following two groups based on whether they had received DEB-TACE before LT:DEB-TACE group(n=45)and control group(n=54).The participants were further divided into two subgroups based on the presence or absence of segmental portal vein tumor thrombus(PVTT).The DEB-TACE group consisted of two subgroups:Group A(n=31)without PVTT and group B(n=14)with *** control group also had two subgroups:Group C(n=37)without PVTT and group D(n=17)with *** on patient demographics,disease characteristics,therapy response,and adverse events(AEs)were *** overall survival(OS)and recurrence-free survival(RFS)rates were assessed using Kaplan-Meier *** and multivariate Cox regression analyses were conducted to determine the parameters that were independently related to OS and *** The DEB-TACE group exhibited an overall response rate of 86.6%.Following therapy,there was a significant decrease in the median alpha-fetoprotein(AFP)level(275.1 ng/mL vs 41.7 ng/mL,P2-year rates of RFS and OS were significantly higher in the DEB-TACE group than in the control group(68.9%vs 38.9%,P=0.003;86.7%vs 63.0%,P=0.008).Within the subgroups,group A had higher 2-year rates of RFS and OS compared to group C(71.0%vs 45.9%,P=0.038;83.8%vs 62.2%,P=0.047).The 2-year RFS rate of group B was markedly superior to that of group D(64.3%vs 23.5%,P=0.002).Results from multivariate analyses showed that pre-LT DEB-TACE[hazard ratio(HR)=

关键词： Hepatocellular carcinoma Liver transplantation Portal vein tumor thrombus Drug-eluting bead transarterial chemoembolization Neoadjuvant treatment

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Electrocatalytic CO_(2) reduction to C_(2)H_(4): From lab to fab

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Journal of Energy Chemistry 2024年第3期90卷 540-564,I0012页

作者： Zeyu Guo Fabao Yang Xiaotong Li Huiwen Zhu Hainam Do Kam Loon Fow Jonathan D.Hirst Tao Wu Qiulin ye Yaqi Peng Hao Bin Wu Angjian Wu Mengxia Xu Department of Chemical and Environmental Engineering and New Materials InstituteUniversity of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina Key Laboratory of Carbonaceous Waste Processing and Process Intensification of Zhejiang Province University of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute University of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina State Key Laboratory of Clean Energy Utilization Department of Energy EngineeringZhejiang UniversityHangzhou 310027ZhejiangChina Institute for Composites Science Innovation(InCSI)and State Key Laboratory of Silicon and Advanced Semiconductor Materials School of Materials Science and EngineeringZhejiang UniversityHangzhou 310027ZhejiangChina School of Chemistry University of NottinghamUniversity ParkNottingham NG72RDUK Baima Lake Laboratory Hangzhou 310053ZhejiangChina

The global concerns of energy crisis and climate change,primarily caused by carbon dioxide(CO_(2)),are of utmost ***,the electrocatalytic CO_(2) reduction reaction(CO_(2)RR) to high value-added multi-carbon(C_(2+)) products driven by renewable electricity has emerged as a highly promising solution to alleviate energy shortages and achieve carbon *** these C_(2+) products,ethylene(C_(2)H_(4))holds particular importance in the petrochemical ***,this review aims to establish a connection between the fundamentals of electrocatalytic CO_(2) reduction reaction to ethylene(CO_(2)RRto-C_(2)H_(4)) in laboratory-scale research(lab) and its potential applications in industrial-level fabrication(fab).The review begins by summarizing the fundamental aspects,including the design strategies of high-performance Cu-based electrocatalysts and advanced electrolyzer ***,innovative and value-added techniques are presented to address the inherent challenges encountered during the implementations of CO_(2)RR-to-C_(2)H_(4) in industrial ***,case studies of the technoeconomic analysis of the CO_(2)RR-to-C_(2)H_(4) process are discussed,taking into factors such as costeffectiveness,scalability,and market *** review concludes by outlining the perspectives and challenges associated with scaling up the CO_(2)RR-to-C_(2)H_(4) *** insights presented in this review are expected to make a valuable contribution in advancing the CO_(2)RR-to-C_(2)H_(4) process from lab to fab.

关键词： CO_(2) electroreduction reaction Ethylene Gas diffusion electrode Machine learning Density functional theory Techno-economic analysis

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Cobalt Single Atom-Catalyzed Formation of LiOH in Li-O_(2)Batteries via the Direct 4-Electron Oxygen Reduction Pathway

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CCS Chemistry 2024年第10期6卷 2502-2514页

作者： Kang Huang Hao Wan Zhichao Gong Jianbin Liu Minmin Yan Jun Wu Chunyu Cui Gonglan ye Karsten Reuter Huilong Fei Advanced Catalytic Engineering Research Center of the Ministry of Education State Key Laboratory for Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan UniversityChangsha 410082 Fritz-Haber-Institut der Max-Planck-Gesellschaft Berlin 14195

The formation of LiOH as the discharge product instead of Li_(2)O_(2)in Li-O_(2)batteries(LOBs)is highly desirable due to the associated drawbacks of Li_(2)O_(2)-based chemistry,which involves the generation of reactive oxygen intermediates responsible for substantial side ***,the current challenge lies in the formation pathway of LiOH,which typically requires the chemical hydrolysis of the hazardous LiO_(2)or Li_(2)O_(2)intermediate,posing risks to the battery ***,we report a direct 4e–electrochemical approach to LiOH enabled by a single atom catalyst(SAC)consisting of CoN_(3)moieties embedded in graphene(CoN_(3)-G),while Li_(2)O_(2)is formed on the metal-free nitrogen-doped graphene(ng).The direct 4e–LiOH pathway significantly reduces the parasitic reactions,resulting in negligible damage to the electrolyte and *** stands in strong contrast to the conventional 2e–Li_(2)O_(2)pathway mediated by ng and the indirect LiOH pathway by MnO_(2).Theoretical calculations further clarify that the presence of CoN_(3)sites enhances the adsorption of oxygen-containing intermediates like*OLiO and*Li_(2)O_(2),promoting the protonation of*Li_(2)O_(2)and the cleavage of the O–O bond to form *** work demonstrates a promising strategy to modulate the reaction pathways in LOBs and broadens the applications of SACs.

关键词： single atom catalyst LiOH Li-O_(2)batteries direct 4-electron oxygen reduction pathway selectivity

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Captiva EMR-Lipid技术结合UPLC-MS/MS快速测定牛羊产品中甲苯咪唑及其代谢物的残留量

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食品工业科技 2024年第3期45卷 277-283页

作者：叶佳明钟世欢叶磊海吴余欣王京浙江公正检验中心有限公司浙江杭州310009 浙江省食品安全重点实验室浙江杭州310009

建立了牛羊产品中甲苯咪唑及其代谢物羟基甲苯咪唑、氨基甲苯咪唑的通过式净化-超高效液相色谱-串联质谱测定的分析方法。样品经0.2%氨化乙腈溶液振荡提取,冷冻离心后,经Captiva EMR-Lipid小柱净化,直接进样分析。以安捷伦SB-C_(18)色谱... 详细信息

建立了牛羊产品中甲苯咪唑及其代谢物羟基甲苯咪唑、氨基甲苯咪唑的通过式净化-超高效液相色谱-串联质谱测定的分析方法。样品经0.2%氨化乙腈溶液振荡提取,冷冻离心后,经Captiva EMR-Lipid小柱净化,直接进样分析。以安捷伦SB-C_(18)色谱柱(2.1 mm×100 mm,1.8μm)进行分离,以0.1%甲酸水和乙腈为流动相进行梯度洗脱,电喷雾正离子(ESI^(+))模式电离、多反应监测(MRM)模式进行检测,采用基质匹配标准工作曲线,内标法定量。结果表明,甲苯咪唑及其代谢物在0.2~50 ng/mL范围内线性良好,相关系数均大于0.999,甲苯咪唑及其代谢物的检出限(S/N>3)为0.3μg/kg,三水平的加标回收率在80.5%~108.0%之间,RSD为1.1%~5.8%。该方法操作简便、结果准确,克服了目前方法前处理繁琐、检测周期长等不足,适用于牛羊产品中甲苯咪唑及其代谢物残留量的快速检测。

关键词：甲苯咪唑氨基甲苯咪唑羟基甲苯咪唑液相色谱-串联质谱法固相萃取

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On Multivariate Markov Chains for Common and Non-Common Objects in Multiple Networks

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Numerical Mathematics(Theory,Methods and Applications) 2012年第3期5卷 384-402页

作者： Xutao Li Wen Li Michael K.ng Yunming ye Department of Computer Science Shenzhen Graduate SchoolHarbin Institute of TechnologyShenzhen518055China School of Mathematical Sciences South China Normal UniversityGuangzhou510631China Department of Mathematics Hong Kong Baptist UniversityKowloon TongHong Kong

Node importance or centrality evaluation is an important methodology for network *** this paper,we are interested in the study of objects appearing in several *** common objects are important in network-network interactions via object-object *** main contribution of this paper is to model multiple networks where there are some common objects in a multivariate Markov chain framework,and to develop a method for solving common and non-common objects’stationary probability distributions in the *** stationary probability distributions can be used to evaluate the importance of common and non-common objects via network-network *** experimental results based on examples of co-authorship of researchers in different conferences and paper citations in different categories have shown that the proposed model can provide useful information for researcher-researcher interactions in networks of different conferences and for paperpaper interactions in networks of different categories.

关键词： transition probability multivariate Markov chains stationary probability distribution irreducible multiple networks

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Diagnosis,treatment and prevention of severe acute respiratory syndrome coronavirus 2 infection in children:experts'consensus statement updatedforthe Omicron variant

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World Journal of Pediatrics 2024年第3期20卷 272-286页

作者： Rong-Meng Jiang Zheng-De Xie Yi Jiang Xiao-Xia Lu Run-Ming Jin Yue-Jie Zheng Yun-Xiao Shang Bao-Ping Xu Zhi-Sheng Liu Gen Lu Ji-Kui Deng Guang-Hua Liu Xiao-Chuan Wang Jian-She Wang Lu-Zhao Feng Wei Liu Yi Zheng Sai-Nan Shu Min Lu Wan-Jun Luo Miao Liu Yu-Xia Cui Le-Ping ye A-Dong Shen Gang Liu Li-Wei Gao Li-Juan Xiong Yan Bai Li-Kai Lin Zhuang Wei Feng-Xia Xue Tian-You Wang Dong-Chi Zhao Jian-Bo Shao Daniel Kwok-keung ng Gary Wing-kin Wong Zheng-Yan Zhao Xing-Wang Li Yong-Hong Yang Kun-Ling Shen Diagnosis and Treatment Center of Infectious Diseases Beijing Ditan HospitalCapital Medical UniversityBeijing 100015China Beijing Key Laboratory of Pediatric Respiratory Infection Diseases Key Laboratory of Major Diseases in ChildrenMinistry of EducationNational Clinical Research Center for Respiratory DiseasesResearch Unit of Critical Infection in ChildrenChinese Academy of Medical Sciences2019RU016Laboratory of Infection and VirologyBeijing Pediatric Research InstituteBeijing Children's HospitalCapital Medical UniversityNational Center for Children's HealthBeijing 100045China Department of Pediatrics Renmin Hospital of Wuhan UniversityWuhan 430060China Department of Respiratory Wuhan Children's HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430016China Department of Pediatrics Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Department of Respiratory Shenzhen Children's HospitalShenzhen 518038China Department of Pediatric Respiratory Shengjing Hospital Affiliated to China Medical UniversityShenyang 110004China Department of Respiratory Beijing Children's HospitalCapital Medical UniversityNational Clinical Research Center for Respiratory DiseasesNational Center for Children's HealthBeijing 100045China Department of Neurology Wuhan Children's HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430016China Department of Respiratory Guangzhou Women and Children's Medical CenterGuangzhou 510623China Department of Infectious Diseases Shenzhen Children's HospitalShenzhen 518038China Department of Pediatrics Fujian Branch of Shanghai Children's Medical CenterFujian Children's HospitalFuzhou350005China Department of Clinical Immunology and Allergy Children's Hospital of Fudan UniversityNational Center for Children's HealthShanghai 201102China Department of Infectious Diseases Children's Hospital of Fudan UniversityNational Center for Children's Health.Shanghai

It has been more than 3 years since the novel coronavirus(SARS-CoV-2)pandemic raged *** coronavirus disease 2019(COVID-19)has greatly influenced human *** to data from the World Health Organization(WHO),there were ove... 详细信息

关键词： prevention infection statement

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Microbial reduction of graphene oxide and its application in microbial fuel cells and biophotovoltaics

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Frontiers of Materials Science 2023年第2期17卷 45-63页

作者： Jing-ye Tee Fong-Lee ng Fiona Seh-Lin Keng G.Gnana kumar Siew-Moi Phang Institute of Ocean and Earth Sciences(IOES) Universiti Malaya50603 Kuala LumpurMalaysia Institute for Advanced Studies Universiti Malaya50603 Kuala LumpurMalaysia Department of Physical Chemistry School of ChemistryMadurai Kamaraj UniversityMadurai 625021Tamil NaduIndia Faculty of Applied Sciences UCSI University56000 Kuala LumpurMalaysia

Despite more than a decade of study,there are still significant obstacles to overcome before graphene can be successfully produced on a large scale for commercial *** oxidation of graphite to produce graphene oxide(GO),followed by a subsequent reduction process to synthesize reduced graphene oxide(rGO),is considered the most practical method for mass ***,which are abundant in nature and inexpensive,are one of the potential green reductants for rGO ***,there is no recent review discussing the reported microbial reduction of GO in *** address this,we present a comprehensive review on the reduction of GO by a range of microorganisms and compared their efficacies and reaction ***,presented were the mechanisms by which microorganisms reduce *** also reviewed the recent advancements in using microbially reduced GO as the anode and cathode material in the microbial fuel cell(MFC)and algal biophotovoltaics(BPV),as well as the challenges and future directions in microbial fuel cell research.

关键词： reduced graphene oxide microbial reduction microbial fuel cell algal biophotovoltaics green chemistry

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