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40篇 您的检索式:作者名="Zhujun Liu"
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1Stress changes on major faults caused by 2013 Lushan earthquake and its relationship with 2008 Wenchuan earthquake显示文摘On April 20, 2013, an Ms7.0 earthquake occurred in Ya'an-Lushan region, Sichuan Province, China, killing and injuring morethan one thousand people. Therefore, it is critical to outline the areas with potential aftershocks before reconstruction andre-settlement as to avoid future disasters. Based on the elastic dislocation theory and multi-layered lithospheric model, we calculate the co-and post-seismic stress changes caused by the Wenchuan and Lushan earthquakes to discuss the relationshipbetween Mw7.9 Wenchuan earthquake and Ms7.0 Lushan earthquake, the influences on the distribution of aftershock caused bythe Lushan earthquake, and the stress changes on major faults in this region. It is shown that the Coulomb failure stress increment on the hypocenter of Lushan earthquake caused by the Wenchuan earthquake is about 0.0037-0.0113 MPa. And the possible maximum value (0.0113 MPa) is larger than the threshold of stress triggering. Therefore, the occurrence of Lushanearthquake is probably effectively promoted by the Wenchuan earthquake. The aftershock distribution is well explained by theco-seismic stress changes of Lushan earthquake. By the two ends of the rupture of Lushan earthquake with increased Coulombfailure stress, a lack of aftershock recordings indicates the high seismic hazard. The stress accumulation and correspondingseismic hazard on the Kangding-Dafu segment of the Xinshuihe fault, the Beichuan-Yingxiu fault, the Pengxian-Guanxianfault, and the Ya'an fault are further increased by the Lushan earthquake and post-seismic process of Wenchuan earthquake.SHAN Bin XIONG Xiong ZHENG Yong JIN BiKai LIU ChengLi XIE ZhuJun HSU HouTze 2013Science China Earth Sciences2013,56,7:49
2Prognostic factors of refractory NSCLC patients receiving anlotinib hydrochloride as the third-or further-line treatment显示文摘Objective:Anlotinib hydrochloride is a multitarget tyrosine kinase inhibitor that targets vascular endothelial growth factor receptor,fibroblast growth factor receptor,platelet-derived growth factor receptor,c-Kit,and c-MET;therefore,it exhibits both antitumor and anti-angiogenetic activities.A phase III trial has shown that anlotinib improved progression-free survival(PFS)and overall survival(OS)in patients with advanced non-small cell lung cancer(NSCLC),who presented with progressive disease or intolerance after standard chemotherapy.This study aimed to analyze the characteristics of patients receiving anlotinib treatment to determine the dominant populations who are fit for the treatment.Methods:Data were collected from March 2015 to January 2017 from a randomized,double-blind,placebo-controlled,multicenter,phase III trial of anlotinib(ALTER0303).A total of 437 patients were enrolled and randomly allocated(2:1)to the anlotinib and placebo groups.Kaplan–Meier analysis and log-rank test were performed to compare PFS and OS.Cox proportional hazards model was adopted for multivariate prognostic analysis.Results:Multivariate analysis indicated that high post-therapeutic peripheral blood granulocyte/lymphocyte ratio and elevated alkaline phosphatase levels were independent risk factors for PFS.Meanwhile,elevated thyroid-stimulating hormone,blood glucose,and triglyceride levels;hypertension;and hand–foot syndrome were independent protective factors of PFS.High posttherapeutic peripheral blood granulocyte/lymphocyte ratio,an Eastern Cooperative Oncology Group(ECOG)score≥2,and the sum of the maximal target lesion length at baseline were independent risk factors of OS,and hypertriglyceridemia was an independent protective factor of OS.Conclusions:This study preliminarily explored the possible factors that affected PFS and OS after anlotinib treatment in patients with advanced refractory NSCLC,and the baseline characteristics of the therapeutically dominant populations were then identified.Jing Wang Yizhuo Zhao Qiming Wang Li Zhang Jianhua Shi Zhehai Wang Ying Cheng Jianxing He Yuankai Shi Hao Yu Yang Zhao Weiqiang Chen Yi Luo Xiuwen Wang Kejun Nan Faguang Jin Jian Dong Baolan Li Zhujun Liu Baohui Han Kai Li 2018Cancer Biology & Medicine2018,15,4:46
3Landscape of emerging and re-emerging infectious diseases in China: impact of ecology, climate, and behavior显示文摘为过去的几十年,在中国的传染疾病侧面在社会、经济的方面,环境,食物的质量,水,住房,和公共健康基础结构与快速的开发一直在变。尤其是, 5 应具报的传染疾病几乎被根除了,并且 18 另外的应具报的传染疾病的发生显著地被减少了。出人意料地,包括 HIV,普鲁斯病,梅毒,和登革热发烧,超过 10 应具报的传染疾病的发生一直在增加。不过,经常的传染疾病爆发 / 事件每年几乎被报导了,并且进口了传染疾病自从 2015,增加了。已知的病原体的新病原体和超过 100 新遗传型或 serotypes 被识别了。一些传染疾病似乎被各种各样的因素加重,包括快速的都市化,大量候鸟工人,在气候的变化,生态学,和政策,例如把农田还给森林。这评论在设法出现和 re-emerging 从中国总结当前的经验和课传染疾病,特别生态学的效果,气候,和行为,它应该在帮助另外的国家控制并且阻止传染疾病有优点。Qiyong Liu Wenbo Xu Shan Lu Jiafu Jiang Jieping Zhou Zhujun Shao Xiaobo Liu Lei Xu Yanwen Xiong Han Zheng Sun Jin Hai Jiang Wuchun Cao Jianguo Xu 2018Frontiers of Medicine2018,12,1:23
4Anlotinib suppresses lymphangiogenesis and lymphatic metastasis in lung adenocarcinoma through a process potentially involving VEGFR-3 signaling显示文摘Objective:Lymphatic metastasis is one of the leading causes of malignancy dispersion in various types of cancer.However,few anti-lymphangiogenic drugs have been approved for clinical use to date.Therefore,new therapies to block lymphangiogenesis are urgently required.Methods:Immunohistochemistry,immunofluorescence,Western blot,migration assays,and lymphangiogenesis and lymphatic metastasis assays were used.Results:Anlotinib,a receptor tyrosine kinase inhibitor,suppressed the rate of new metastatic lesions(31.82%in the placebo arm and 18.18%in the anlotinib arm)in patients with advanced lung adenocarcinoma who were enrolled in our ALTER-0303 study.D2-40+-lymphatic vessel density was strongly correlated with disease stage,metastasis,and poor prognosis in 144 Chinese patients with lung adenocarcinoma.In mice bearing A549EGFP tumors,tumor lymphatic vessel density,tumor cell migration to lymph nodes,and the number of distant metastatic lesions were lower in the anlotinib group than in the controls.Anlotinib inhibited the growth and migration of human lymphatic endothelial cells(hLECs)and lymphangiogenesisin vitro andin vivo.Treatment of hLECs with anlotinib downregulated phosphorylated vascular endothelial growth factor receptor 3(VEGFR-3).Conclusions:Anlotinib inhibits lymphangiogenesis and lymphatic metastasis,probably through inactivating VEGFR-3 phosphorylation.The results indicate that anlotinib may be beneficial for treatment in avoiding lymphangiogenesis and distant lymphatic metastasis in lung adenocarcinoma.(Trial registration:ALTER0303;NCT02388919;March 17,2015.)Tingting Qin Zhujun Liu Jing Wang Junling Xia Shaochuan Liu Yanan Jia Hailin Liu Kai Li 2020Cancer Biology & Medicine2020,17,3:9
5GLOBAL AND LOCAL BIFURCATION IN PERTURBATIONS OF NON-SYMMETRY AND SYMMETRY OF HAMILTONIAN SYSTEM显示文摘GLOBALANDLOCALBIFURCATIONINPERTURBATIONSOFNON-SYMMETRYANDSYMMETRYOFHAMILTONIANSYSTEM¥LIUZhengrong(InstituteofAppliedMathemati...LIU Zhengrong(Institute of Applied Mathematics of Yunnan Province Department of Mathematics,Yunnan University,Kunming 650091,China)JING Zhujun(Institute of Mathematics,Academia Sinica,Bejiing 100080,China) 1995Systems Science and Mathematical Sciences1995,8,4:8
6Discovery of tip induced unconventional superconductivity on Weyl semimetal显示文摘Weyl fermion is a massless Dirac fermion with definite chirality,which has been long pursued since 1929.Though it has not been observed as a fundamental particle in nature,Weyl fermion can be realized as low-energy excitation around Weyl point in Weyl semimetal,which possesses Weyl fermion cones in the bulk and nontrivial Fermi arc states on the surface. As a firstly discovered Weyl semimetal,Ta As crystal possesses 12 pairs of Weyl points in the momentum space,which are topologically protected against small perturbations. Here,we report for the first time the tip induced superconductivity on Ta As crystal by point contact spectroscopy. The zero bias conductance peak as well as a conductance plateau with double conductance peaks and sharp double dips are observed in the point contact spectra simultaneously,indicating unconventional superconductivity. Our further theoretical study suggests that the induced superconductivity may have nontrivial topology. The present work opens a new route in investigating the novel superconducting states based on Weyl materials.He Wang Huichao Wang Yuqin Chen Jiawei Luo Zhujun Yuan Jun Liu Yong Wang Shuang Jia Xiong-Jun Liu jian Wei Jian Wang 2017Science Bulletin2017,62,6:7
7Bevacizumab promotes active biological behaviors of human umbilical vein endothelial cells by activating TG Fpi pathways via off-VEGF signaling显示文摘Objective:Bevacizumab is a recombinant humanized monoclonal antibody that blocks vascular endothelial growth factor(VEGF)with clear clinical benefits.However,overall survival of some cancer types remains low owing to resistance to bevacizumab therapy.While resistance is commonly ascribed to tumor cell invasion induced by hypoxia-inducible factor(HIF),less attention has been paid to the potential involvement of endothelial cells(ECs)in vasculature activated by anti-angiogenic drugs.Methods:Human umbilical vein ECs(HUVECs),bEnd.3 cells,and mouse retinal microvascular ECs(MRMECs)were treated with bevacizumab under conditions of hypoxia and effects on biological behaviors,such as migration and tube formation,examined.Regulatory effects on TGFpi and CD 105(endoglin)were established via determination o f protein and mRNA levels.We further investigated whether the effects of bevacizumab could be reversed using the receptor tyrosine kinase inhibitor anlotinib.Results:Bevacizumab upregulated TGFpi as well as CD 105,a component o f the TGFP receptor complex and an angiogenesis promoter.Elevated CD 105 induced activation of Sm adl/5,the inflammatory pathway and endothelial-mesenchymal transition.The migration ability of HUVECs was enhanced by bevacizumab under hypoxia.Upregulation o f CD 105 was abrogated by anlotinib,which targets multiple receptor tyrosine kinases including VEGFR2/3,FGFR1-4,PD G FRα/β,C-Kit,and RET.Conclusions:Bevacizumab promotes migration and tube formation of HUVECs via activation of the TGFβi pathway and upregulation of CD105 expression.Anlotinib reverses the effects of bevacizumab by inhibiting the above signals.Xiaoling Zhang Yan Zhang Yanan Jia Tingting Qin Cuicui Zhang Yueya Li Chengmou Huang Zhujun Liu Jing Wang Kai Li 2020Cancer Biology & Medicine2020,17,2:3
8Role of polymorphisms of the IGF2 and IGFBP3 genes and risk of gastric carcinoma in China显示文摘Gu Jun Li Maolan Dong Ping Lu Jianhua Tan Zhujun Wu Xiangsong Mu Jiasheng Zhang Lin Wu Wenguang Ding Qichen Yang Jiahua Cao Yang Ding Qian Weng Hao Liu Yingbin 2014Chinese Medical Journal2014,,3:2
9Docetaxel and cisplatin combination chemotherapy in anthracyclines-resistant advanced breast cancer显示文摘Objective: To observe the effect and toxicity of docetaxel with cisplatin in anthracyclines-resistant advanced breast cancer. Methods: Forty-five female patients received docetaxel 60 mg/m2 on d1 and cisplatin 30 mg/m2 on d1–d3 of every 28 days. Every patient was treated with at least 2 cycles and a median of 3 cycles (2–6 cycles ). Results: Five patients achieved complete response (11.1%) and 18 partial response (40.0%), 10 stable disease (22.2%). The overall response rate was 51.1%. The clinical disease control rate was 73.3%, median time to tumor progression (TTP) was 7.8 months (1.0–34.5 months), median survival time was 17.6 months (range 1.9–48.0 months), and one year survival rate was 65.2%. The main side effect was marrow suppression. The treatment was well tolerated with grades III and IV leukopenia in nine (20%) and ten (22.2%) patients. Conclusion: Combinative chemotherapy of docetaxel and cisplatin has a good anti-tumor activity on refractory advanced breast cancer with manageable toxicity.Hailin Xiong Zhujun Liu Xin Cheng Kai Li 2007The Chinese-German Journal of Clinical Oncology2007,6,1:2
10显示文摘LIU Wei ZHANG Zhujun LIU Zuoqin 2007Anal Chim Acta2007,592,2:1
11the National Natural Science Foundation of China(41877029,41961130383);Royal SocietyNewton Advanced Fellowship(NAF\R1\191017);Wuhan Science and Technology Bureau(2019020701011469).显示文摘Due to the tremendous diversity of microbial organisms in topsoil,the estimation of saturated richness in a belowground ecosystem is still challenging.Here,we intensively surveyed the 16S rRNA gene in four 1 m2 sampling quadrats in a typical grassland,with 141 biological or technical replicates generating over 11 million sequences per quadrat.Through these massive data sets and using both non-asymptotic extrapolation and non-parametric asymptotic approaches,results revealed that roughly 15919±193,27193±1076 and 56985±2347 prokaryotic species inhabited in 1 m2 topsoil,classifying by DADA2,UPARSE(97%cutoff)and Deblur,respectively,and suggested a huge difference among these clustering tools.Nearly 500000 sequences were required to catch 50%species in 1 m2,while any estimator based on 500000 sequences would still lose about a third of total richness.Insufficient sequencing depth will greatly underestimate both observed and estimated richness.At least~911000,~3461000,and~1878000 sequences were needed for DADA2,UPARSE,and Deblur,respectively,to catch 80%species in 1 m2 topsoil,and the numbers of sequences would be nearly twice to three times on this basis to cover 90%richness.In contrast,α-diversity indexes characterized by higher order of Hill numbers,including Shannon entropy and inverse Simpson index,reached saturation with fewer than 100000 sequences,suggesting sequencing depth could be varied greatly when focusing on exploring differentα-diversity characteristics of a microbial community.Our findings were fundamental for microbial studies that provided benchmarks for the extending surveys in large scales of terrestrial ecosystems.Shuzhen Li Xiongfeng Du Kai Feng Yueni Wu Qing He Zhujun Wang Yangying Liu Danrui Wang Xi Peng Zhaojing Zhang Arthur Escalas Yuanyuan Qu Ye Deng 2022Soil Ecology Letters2022,4,3:1
12Hemiluminescence microfluidic chip fabricated in PMMA for determination of benzoyl peroxide in flour 显示文摘Liu Wei Zhang Zhujun Yang Liu 2006Food Chemistry2006,95,:1
13Determination of β-lactam antibiotics in milk using micro-flow chemilu- minescence system with on-line solid phase extraction显示文摘LIU Wei ZHANG Zhujun LIU Zuoqin 2007Anal Chim Acta2007,592,:1
14Peaked wave solutions of Camassa-Holm equation显示文摘Liu Zengrong Wang Ruiqi Jing Zhujun 2004Chaos Solitons Fractals2004,19,1:1
15Nitrate accumulation in soil profiles under seasonally open 'sunlight greenhouses' in northwest China and potential for leaching loss during summer fallow 显示文摘ZHOU Jianbin CHEN Zhujun LIU Xiaojun 2010Soil Use and Management2010,26,3:1
16QUALITATIVE ANALYSIS FOR A THIRD-ORDER DIFFERENTIAL EQUATION IN A MODEL OF CHEMICAL SYSTEMS显示文摘In this paper a mathematical model of chemical systems is investigated.We present the conditions for the existence and local stability of the steady statesand the periodic solution of the Hopf type.Specifically,we show by using an ana-lytical method that there may exist two or four Hopf bifurcation points separatedat a finite distance from each other;at the same time,a technique for studying theHopf bifurcation value is given.LIU Zhenrong (Department of Mathematics,Yunnan University,Kunming 650091,China)JING Zhujun~* (Institute of Mathematics,Academia Sinica,Beijing 100080,China) 1992Systems Science and Mathematical Sciences1992,5,4:1
17Using vegetation indices and texture measures to estimate vegetation fractional coverage (VFC) of planted and natural forests in Nanjing city, China显示文摘Zhujun Gu Weimin Ju Lin Li Dengqiu Li Yibo Liu Weiliang Fan 2012Advances in Space Research2012,,:1
18Chemiluminescence micro flow system for rapid determination of chemical oxygen demand in water显示文摘Liu Wei Zhang Zhujun Zhang Youyi 2008Microchim Acta2008,160,:1
19Flow-injection chemiluminescence determination of formaldehyde with a bromate-rhodamine 6G system显示文摘Li Baoxin Liu Meilin Zhang Zhujun 2003Analytical Sciences2003,19,12:1
20Bifurcation set and distribution of limit cycles for a class of cubic Hamiltonian system withhigher-order perturbed terms 显示文摘Cao Hongjun Liu Zhengrong Jing Zhujun 2000Chaos Solitons and Fractals2000,11,:1
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