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29篇 您的检索式:作者名="YU YuePing"
    题名 作者 年代 出处 被引量
1Back propagation artificial neural network for community Alzheimer's disease screening in China显示文摘Alzheimer's disease patients diagnosed with the Chinese Classification of Mental Disorders diagnostic criteria were selected from the community through on-site sampling. Levels of macro and trace elements were measured in blood samples using an atomic absorption method, and neurotransmitters were measured using a radioimmunoassay method. SPSS 13.0 was used to establish a database, and a back propagation artificial neural network for Alzheimer's disease prediction was simulated using Clementine 12.0 software. With scores of activities of daily living, creatinine, 5-hydroxytryptamine, age, dopamine and aluminum as input variables, the results revealed that the area under the curve in our back propagation artificial neural network was 0.929 (95% confidence interval: 0.868-0.968), sensitivity was 90.00%, specificity was 95.00%, and accuracy was 92.50%. The findings indicated that the results of back propagation artificial neural network established based on the above six variables were satisfactory for screening and diagnosis of Alzheimer's disease in patients selected from the community.Jun Tang Lei Wu Helang Huang Jiang Feng Yefeng Yuan Yueping Zhou Peng Huang Yan Xu Chao Yu 2013Neural Regeneration Research2013,8,3:6
2Hawk and pigeon's intelligence for UAV swarm dynamic combat game via competitive learning pigeon-inspired optimization显示文摘For unmanned aerial vehicle(UAV)swarm dynamic combat,swarm antagonistic motion control and attack target allocation are extremely challenging sub-tasks.In this paper,the competitive learning pigeon-inspired optimization(CLPIO)algorithm is proposed to handle the cooperative dynamic combat problem,which integrates the distributed swarm antagonistic motion and centralized attack target allocation.Moreover,the threshold trigger strategy is presented to switch two sub-tasks.To seek a feasible and optimal combat scheme,a dynamic game approach combined with hawk grouping mechanism and situation assessment between sub-groups is designed to guide the solution of the optimal attack scheme,and the model of swarm antagonistic motion imitating pigeon’s intelligence is proposed to form a confrontation situation.The analysis of the CLPIO algorithm shows its convergence in theory and the comparison with the other four metaheuristic algorithms shows its superiority in solving the mixed Nash equilibrium problem.Finally,numerical simulation verifis that the proposed methods can provide an effective combat scheme in the set scenario.YU YuePing LIU JiChuan WEI Chen 2022Science China(Technological Sciences)2022,65,5:6
3Down-staging depth score to predict outcomes in locally advanced rectal cancer achieving ypl stage after neoadjuvant chemo-radiotherapy versus de novo stage pl cohort:A propensity score-matched analysis显示文摘Objective:Prognosis of patients with locally advanced rectal cancer(LARC)but achieving yp T1–2N0 stage after neoadjuvant concurrent chemo-radiotherapy(CRT)has been shown to be favorable.This study aims to determine whether the long-term outcome of yp T1–2N0 cases can be comparable to that of p T1–2N0 cohort that received definitive surgery for early disease.Method:From January 2008 to December 2013,449 consecutive patients with rectal cancer were treated and their outcome maintained in a database.Patients with LARC underwent total mesorectal excision(TME)surgery at4–8 weeks after completion of CRT,and those achieving stage yp I were identified as a group.As a comparison,stage p I group pertains to patients whose initially limited disease was not upstaged after TME surgery alone.After propensity score matching(PSM),comparisons of local regional control(LC),distant metastasis-free survival(DMFS),disease-free survival(DFS)and overall survival(OS)were performed using Kaplan-Meier analysis and log-rank test between yp I and p I groups.Down-staging depth score(DDS),a novel method of evaluating CRT response,was used for subset analysis.Results:Of the 449 patients,168 matched cases were generated for analysis.Five-year LC,DMFS,DFS and OS for stage p I vs.yp I groups were 96.7%vs.96.4%(P=0.796),92.7%vs.73.6%(P=0.025),91.2%vs.73.6%(P=0.080)and 93.1%vs.72.3%(P=0.040),respectively.In the DDS-favorable subset of the yp I group,LC,DMFS,DFS and OS resulted in no significant differences in comparison with the p I group(P=0.384,0.368,0.277 and0.458,respectively).Conclusions:LC was comparable in both groups;however,distant metastasis developed more frequently in down-staged LARC than de novo early stage cases,reflecting the need to improve the efficacy of systemic treatment despite excellent pathologic response.DDS can be an indicator to identify a subset of the yp I group whose longterm oncologic outcomes are as good as those of stage p I cohort.Ning Li Jing Jin Jing Yu Shuai Li Yuan Tang Hua Ren Wenyang Liu Shulian Wang Yueping Liu Yongwen Song Hui Fang Zihao Yu Yexiong Li 2018Chinese Journal of Cancer Research2018,30,3:4
4Robust adaptive control of hypersonic flight vehicle with asymmetric AOA constraint显示文摘This paper investigates the state-constrained controller design of a hypersonic flight vehicle(HFV)based on an asymmetric barrier Lyapunov function(ABLF).The robust adaptive back-stepping controller with integral terms is applied for the HFV longitudinal dynamics.Considering the asymmetric angle of attack(AOA)constraint caused by the unique structure and scramjet,the controller is modified by constructing an ABLF,where the asymmetric constraint on AOA tracking error is introduced.Combined with the constraint on virtual control,the AOA is restricted to a predefined asymmetric interval.The system stability and the AOA constraint are guaranteed via Lyapunov analysis.Simulation results verify that the AOA can be kept in the given asymmetric interval while the altitude reference signal is tracked.Yuyan GUO Bin XU Weixin HAN Shuai LI Yueping WANG Yu ZHANG 2020Science China(Information Sciences)2020,63,11:4
5Plasma Methane Conversion in the Presence of Carbon Dioxide Using Dielectric Barrier Discharges显示文摘Zhang Yueping Li Yang Wang Yu 2003Fuel Processing Technology2003,83,:1
6Plasmamethane conversion in the presence of dinethylether using dielectric barrier discharge显示文摘Wang Yu Liu Changjun Zhang Yueping 2005Energy and Fuels2005,19,3:1
7Preparation of superparamagnetic immunomicrospheres and application for antibody purification 显示文摘Liu Xianqiao Guan Yueping Yang Yu 2005Journal of Applied Polymer Science2005,94,5:1
8Sporophytic control of anther development and male fertility by glucose-6-phosphate/phosphate translocator 1(OsGPT1) in rice显示文摘Coordination between the sporophytic tissue and the gametic pollen within anthers is tightly controlled to achieve the optimal pollen fitness. Glucose-6-phosphate/phosphate translocator(GPT) transports glucose-6-phosphate, a key precursor of starch and/or fatty acid biosynthesis, into plastids. Here, we report the functional characterization of Os GPT1 in the rice anther development and pollen fertility. Pollen grains from homozygous osgpt1 mutant plants fail to accumulate starch granules, resulting in pollen sterility. Genetic analyses reveal a sporophytic effect for this mutation. Os GPT1 is highly expressed in the tapetal layer of rice anther. Degeneration of the tapetum, an important process to provide cellular contents to support pollen development, is impeded in osgpt1 plants. In addition, defective intine and exine are observed in the pollen from osgpt1 plants. Expression levels of multiple genes that are important to tapetum degeneration or pollen wall formation are significantly decreased in osgpt1 anthers. Previously, we reported that At GPT1 plays a gametic function in the accumulation of lipid bodies in Arabidopsis pollen. This report highlights a sporophytic role of Os GPT1 in the tapetum degeneration and pollen development. The divergent functions of Os GPT1 and At GPT1 in pollen development might be a result of their independent evolution after monocots and dicots diverged.Aili Qu Yan Xu Xinxing Yu Qi Si Xuwen Xu Changhao Liu Liuyi Yang Yueping Zheng Mengmeng Zhang Shuqun Zhang Juan Xu 2021Journal of Genetics and Genomics2021,48,8:1
9Self-supported supercapacitor membranes: polypyrrole-eoated carbon nanotube networks enabled by pulsed electrodeposition 显示文摘Fang Yueping Liu Jianwei Deok Jin Yu 2010Power Sources2010,195,:1
10Down-staging depth score could be a survival predictor for locally advanced gastric cancer patients after preoperative chemoradiotherapy显示文摘Objective:The predictive effect of preoperative chemoradiotherapy(CRT)is low and difficult in guiding individualized treatment.We examined a surrogate endpoint for long-term outcomes in locally advanced gastric cancer patients after preoperative CRT.Methods:From April 2012 to April 2019,95 patients with locally advanced gastric cancer who received preoperative concurrent CRT and who were enrolled in three prospective studies were included.All patients were stage T_(3/4) N_(+).Local control,distant metastasis-free survival(DMFS),disease-free survival(DFS)and overall survival(OS)were evaluated.Clinicopathological factors related to long-term prognosis were analyzed using univariate and multivariate analyses.The down-staging depth score(DDS),which is a novel method of evaluating CRT response,was used to predict long-term outcomes.Results:The median follow-up period for survivors was 30 months.The area under the curve(AUC)of the receiver operating characteristic(ROC)curve predicted by the DDS was 0.728,which was better than the pathological complete response(pCR),histological response and ypN0.Decision curve analysis further affirmed that DDS had the largest net benefit.The DDS cut-off value was 4.pCR and ypN0 were associated with OS(P=0.026 and 0.049).Surgery and DDS are correlated with DMFS,DFS and OS(surgery:P=0.001,<0.001 and<0.001,respectively;and DDS:P=0.009,0.013 and 0.032,respectively).Multivariate analysis showed that DDS was an independent prognostic factor of DFS(P=0.021).Conclusions:DDS is a simple,short-term indicator that was a better surrogate endpoint than pCR,histological response and ypN0 for DFS.Ning Li Xin Wang Yuan Tang Dongbin Zhao Yihebali Chi Lin Yang Liming Jiang Jun Jiang Jinming Shi Wenyang Liu Hua Ren Hui Fang Yu Tang Bo Chen Ningning Lu Hao Jing Shunan Qi Shulian Wang Yueping Liu Yongwen Song Yexiong Li Jing Jin 2021Chinese Journal of Cancer Research2021,33,4:1
11Plasma methane conversion in the presence of carbon dioxide using dielectric-barrier discharges 显示文摘 LI YANG WANG YU LIU CHANG JUN BALDUR ELIASSON 2003Fuel Processing Technology2003,83,:1
12Plasma me-thane conversion in the presence of dimethyl ether using dielectric barrier discharge显示文摘Wang Yu Liu Changjun Zhang Yueping 2005Energy and Fuels2005,19,3:1
13显示文摘Liu Changjun Yu Kailu Zhang Yueping 2003Catalysis Communications2003,4,7:1
14显示文摘Liu Changjun Yu Kailu Zhang Yueping 2004Applied Catalysis B2004,47,1:1
15Preparation of superparamagnetic immunomicrospheres and application for antibody purification 显示文摘Liu Xiaoqiao Guan Yueping Yang Yu 2004Journal of Applied Polymer Science2004,94,:1
16Haploidentical hematopoietic stem cell transplantation may improve long-term survival for children with high-risk T-cell acute lymphoblastic leukemia in first complete remission显示文摘Background: The role of allogeneic hematopoietic stem cell transplantation (allo-HSCT) in children with high-risk (HR) T-cell acute lymphoblastic leukemia (T-ALL) in first complete remission (CR1) is still under evaluation. Moreover, relapse is the main factor affecting survival. This study aimed to explore the effect of allo-HSCT (especially haploidentical HSCT [haplo-HSCT]) on improving survival and reducing relapse for HR childhood T-ALL in CR1 and the prognostic factors of childhood T-ALL in order to identify who could benefit from HSCT.Methods: A total of 74 newly diagnosed pediatric T-ALL patients between January 1, 2012 and June 30, 2018 were enrolled in this retrospective study. Patients were stratified into the low-risk chemotherapy cohort (n = 16), HR chemotherapy cohort (n = 31), and HR transplant cohort (n = 27). Characteristics, survival outcomes, and prognostic factors of all patients were then analyzed.Results: Patient prognosis in the HR chemotherapy cohort was significantly worse than that in the low-risk chemotherapy cohort (5-year overall survival [OS]: 58.5%vs. 100%,P = 0.003;5-year event-free survival [EFS]: 54.1%vs. 83.4%,P = 0.010;5-year cumulative incidence of relapse [CIR]: 45.2%vs. 6.3%,P = 0.011). In HR patients, allo-HSCT improved the 5-year EFS and CIR compared to that of chemotherapy (5-year EFS: 80.1%vs. 54.1%,P = 0.041;5-year CIR: 11.6%vs. 45.2%,P = 0.006). The 5-year OS was higher in the HR transplant cohort than that in the HR chemotherapy cohort (81.0%vs. 58.5%,P = 0.084). Minimal residual disease re-emergence was an independent risk factor for 5-year OS, EFS, and CIR;age ≥10 years was an independent risk factor for OS and EFS;and high white blood cell count was an independent risk factor for EFS and CIR.Conclusion: Allo-HSCT, especially haplo-HSCT, could effectively reduce relapse of children with HR T-ALL in CR1.Zhang Yongzhan Bai Lu Cheng Yifei Lu Aidong Wang Yu Wu Jun Zhang Xiaohui Zuo Yingxi Xu Lanping Jia Yueping Huang Xiaojun Zhang Leping 2022Chinese Medical Journal2022,,8:1
17Synthesis and electrochemical performance of nanoporous Li4Ti5O12 anode material for lithium-ion batteries显示文摘Dan Shao Jiarong He Ying Luo Wei Liu Xiaoyuan Yu Yueping Fang 2012Journal of Solid State Electrochemistry2012,,6:1
18Structure-based linker optimization of 6-(2-cyclohexyl-1-alkyl)-2-(2-oxo-2-phenylethylsulfanyl)pyrimidin-4(3H)-ones as potent non-nucleoside HIV-1 reverse transcriptase inhibitors显示文摘In continuation of our efforts toward the discovery of potent HIV-1 NNRTIs with diverse structures,a series of novel S-DACO analogues of 6-(2-cyclohexyl-1-allkyl)-2-(2-oxo-2-phenyl-ethylsulfanyl)pyrimidin-4(3 H)-ones were designed,synthesized and evaluated for their antiviral activities in MT-4 cells.Most of these new compounds showed moderate to good activities against wild type HIV-1 with IC_(50) values ranging from 7.55μmol/L to 0.018μmol/L.Among them,compound 5 c was identified as the most promising inhibitor against HIV-1 replication with an IC_(50)=0.018μmol/L,CC_(50)=194μmol/L,and SI=12791,which was much more potent than the reference drugs NVP and DLV and comparable to AZT and EFV.In addition,5 c also exhibited improved activity against double mutant HIV-1 strain RES056 compared to that of the reference drugs NVP/DLV and DB02.The preliminary structure-activity relationship(SAR)and molecular modeling studies were also discussed,which provides some useful indications for guiding the further rational design of new S-DACO analogues.Daxiong Li Chunsheng Zhang Wei Ding Siming Huang Le Yu Nan Lu Wenkai Pan Yiming Li Erik De Clercq Christophe Pannecouque Hongbing Zhang Yueping Wang Yanping He Fener Chen 2021Chinese Chemical Letters2021,32,3:1
19Non-noble metal copper nanoparticles-decorated TiO 2 nanotube arrays with plasmon-enhanced photocatalytic hydrogen evolution under visible light显示文摘Shengsen Zhang Biyu Peng Siyuan Yang Hongjuan Wang Hao Yu Yueping Fang Feng Peng 2014International Journal of Hydrogen Energy2014,,:1
20Improving the protective effects of a FGF for peripheral nerve injury repair using sulfated chitooligosaccharides显示文摘Injury to the peripheral nerves can result in temporary or life-long neuronal dysfunction and subsequent economic or social disability. Acidic fibroblast growth factor(a FGF) promotes the growth and survival of neurons and is a possible treatment for peripheral nerve injury. Yet,the actual therapeutic utility of a FGF is limited by its short half-life and instability in vivo. In the present study,we prepared sulfated chitooligosaccharides(SCOS),which have heparinlike properties,to improve the bioactivity of a FGF. We investigated the protective effects of SCOS with or without a FGF on RSC96 cells exposed to Na2 S2 O4 hypoxia/reoxygenation injury. Cell viability was measured by MTT assay and cytotoxicity induced by Na2 S2 O4 was assessed by lactate dehydrogenase(LDH) release into the culture medium. Pretreatment with a FGF and SCOS dramatically decreased LDH release after injury compared to pretreatment with a FGF or SCOS alone. We subsequently prepared an a FGF/SCOS thermo-sensitive hydrogel with poloxamer and examined its effects in vivo. Paw withdrawal thresholds and thermal withdrawal latencies were measured in rats with sciatic nerve injury. Local injection of the a FGF/SCOS hydrogels(a FGF: 40,80 μg/kg) increased the efficiency of sciatic nerve repair compared to a FGF(80 μg/kg) hydrogel alone. Especially a FGF/SCOS thermo-sensitive hydrogel decreased paw withdrawal thresholds from 117.75 ± 8.38(g,4 d) to 65.74 ± 3.39(g,10 d),but a FGF alone group were 140.58 ± 27.54(g,4 d) to 89.12 ± 5.60(g,10 d)(a FGF dose was 80 μg/kg,P < 0.05,n = 8). The thermal withdrawal latencies decreased from 11.61 ± 2.26(s,4 d) to 2.37 ±0.67(s,10 d). However,a FGF alone group were from 17.69 ± 1.47(s,4 d) to4.65 ± 1.73(s,10 d)(P < 0.05,n = 8). Furthermore,the a FGF/SCOS hydrogels also exhibited good biocompatibility in mice. In summary,SCOS improved the protective effects of a FGF in RSC96 cells injured with Na2S2O4 and increased the efficiency of nerve repair and recovery of function in rats with sciatic nerve injury. These findings pave an avenue for the development of novel prophylactic and therapeutic strategies for peripheral nerve injury.Yanmei Liu Fenglin Yu Beibei Zhang Meng Zhou Yu Bei Yifan Zhang Jianzhong Tang Yan Yang Yadong Huang Qi Xiang Yueping Zhao Qian Liang Yang Liu 2019Asian Journal of Pharmaceutical Sciences2019,14,5:0
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