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| 1 | Introduction of exogenous DNA into cotton via the pollen-tube pathway with GFP as a reporter显示文摘The green fluorescent protein (GFP) gene from the jellyfish Aequorea victoria as a vital reporter for gene expression in plants is considered to have several advantages over other reporter genes. The pBIN35S-mGFP4 plasmid DNA has been introduced into cotton embryos by the pollen-tube pathway method. A transformed seedling has been verified according to its GFP-related fluorescence and Southern blotting analysis. The results provided direct and convincing facts in cytology and molecular biology for the pollen-tube pathway method, an efficient transformation technique used in plants. | Guocun Huang Yuemei Dong Jingsan Sun | 1999 | Chinese Science Bulletin1999,44,8: | 6 |
| 2 | Topology-aware virtual network embedding based on closeness centrality显示文摘 | Zihou WANG Yanni HAN Tao LIN Yuemei XU Song CI Hui TANG | 2013 | Frontiers of Computer Science2013,7,3: | 5 |
| 3 | Mineralogical characteristics of soil dust from source regions in northern China显示文摘Mineral compositions of aerosol particles were investigated at four sites (Aksu, Dunhuang, Zhenbeitai, and Tongliao) in desert regions of northern China from March to May in 2001 and 2002 during the intensive field campaign period of ACE-Asia (Aerosol Characterization Experiments-Asia). The X-ray diffraction (XRD) results show the main minerals for Asian dust are illite, chlorite, kaolinite, quartz, feldspar, calcite, and dolomite. Gypsum, hornblende, and halite are also detected in several samples. Semi-quantitative mineralogical data of aerosol samples show that carbonate content decreases from western to eastern source areas; that is, soil dust collected at western source area sites of Dunhuang and Aksu are enriched with carbonate, while northeastern source area site of Tongliao is associated with low carbonate content. But the spatial distribution of feldspar exhibits a different pattern as compared to carbonate, increasing from the western to the eastern sources. The total clay content is significantly higher (73% in average) at the deposition site of Changwu than those at source areas. Air-mass back trajectory studies for the three dust storm events observed at Changwu, showed that soil dust transport pathways were as expected from carbonate content for the source identification, further demonstrating that carbonate was a useful tracer for eolian dust on regional scale in northern China. | Zhenxing Shen Sandrine Caquineau Junji Cao Xiaoye Zhang Yuemei Han Annie Gaudichet Laurent Gomes | 2009 | Particuology2009,7,6: | 4 |
| 4 | Influences of Seasonal Freezing and Thawing on Soil Water-stable Aggregates in Orchard in High Cold Region,Northeast China显示文摘Soil aggregate stability,as an important indicator of soil functions,may be affected by seasonal freezing and thawing(SFT)and land use in high cold and wet regions.Therefore,comprehensive understanding the effects of SFT on aggregate stability in orchards during winter and spring is crucial to develop appropriate management strategies that can effectively alleviate the degradation of soil quality to ensure sustainable development of orchard ecosystems.To determine the mechanism of degradation in orchard soil quality,the effects of SFT on the stability of water-stable aggregates were examined in apple-pear orchards(Pyrus ussuriensis var.ovoidea)of four different ages(11,25,40,and 63 yr)on 0 to 5%slopes before freezing and after thawing from October 2015 to June 2016 in Longjing City,Yanbian Prefecture,Northeast China,involving a comparison of planted versus adjacent uncultivated lands(control).Soil samples were collected to investigate water-stable aggregate stability in three incremental soil layers(0–20,20–40 and 40–60 cm).In the same samples,iron oxide,organic matter,and clay contents of the soil were also determined.Results showed that the destructive influences of SFT on water-stable aggregates were more pronounced with the increased orchards ages,and SFT exerted severe effects on water-stable aggregates of older orchards(40 and 63 yr)than juvenile orchards.Undergoing SFT,the soil instability index and the percentage of aggregate destruction increased by mean 0.15 mm and 1.86%,the degree of aggregation decreased by mean 1.32%,and the erosion resistance weakened,which consequently led to aggregate stability decreased.In addition,soil free,amorphous,and crystalline iron oxide as well as soil organic matter and clay contents are all important factors affecting the stability of water-stable aggregates,and their changes in their contents were consistent with those in the stability of water-stable aggregates.The results of this study suggest that long-term planting fruit trees can exacerbate the damaging effects of SFT on aggregate stability and further soil erosion increases and nutrient losses in an orchard,which hider sustainable use of soil and the productivity orchards. | LIANG Yunjiang DENG Xu SONG Tao CHEN Guoshuang WANG Yuemei ZHANG Qing LU Xinrui | 2021 | Chinese Geographical Science2021,31,2: | 3 |
| 5 | Luteolin prevents uric acid-induced pancreatic β-cell dysfunction显示文摘Elevated uric acid causes direct injury to pancreaticβ-cells.In this study,we examined the effects of luteolin,an important antioxidant,on uric acid-inducedβ-cell dysfunction.We first evaluated the effect of luteolin on nitric oxide(NO)formation in uric acid-stimulated Min6 cells using the Griess method.Next,we performed transient transfection and reporter assays to measure transcriptional activity of nuclear factor(NF)-κB.Western blotting assays were also performed to assess the effect of luteolin on the expression of MafA and inducible NO synthase(iNOS)in uric acid-treated cells.Finally,we evaluated the effect of luteolin on uric acid-induced inhibition of glucose-stimulated insulin secretion(GSIS)in Min6 cells and freshly isolated mouse pancreatic islets.We found that luteolin significantly inhibited uric acid-induced NO production,which was well correlated with reduced expression of iNOS mRNA and protein.Furthermore,decreased activity of NF-κB was implicated in inhibition by luteolin of increased iNOS expression induced by uric acid.Besides,luteolin significantly increased MafA expression in Min6cells exposed to uric acid,which was reversed by overexpression of iNOS.Moreover,luteolin prevented uric acidinduced inhibition of GSIS in both Min6 cells and mouse islets.In conclusion,luteolin protects pancreaticβ-cells from uric acid-induced dysfunction and may confer benefit on the protection of pancreaticβ-cells in hyperuricemiaassociated diabetes. | Ying Ding Xuhui Shi Xuanyu Shuai Yuemei Xu Yun Liu Xiubin Liang Dong Wei Dongming Su | 2014 | The Journal of Biomedical Research2014,28,4: | 3 |
| 6 | Serum Ferritin Concentration Predicts Mortality in Patients with Hepatitis B Virus-related Acute on Chronic Liver Failure显示文摘 | Linlin Chen Jianpin Wu Yuemei Chen Dingqian Wu Jin Yang | 2014 | Archives of Medical Research2014,,: | 2 |
| 7 | Effect of TMGa flux on GaN films deposited on Ti coated on glass substrates at low temperature显示文摘Highly c-axis-oriented GaN films were deposited on Ti coated glass substrates using low temperature electron cyclotron resonance plasma enhanced metal organic chemical vapor deposition system(ECR-PEMOCVD)with trimethyl gallium(TMGa)as gallium source.The influence of TMGa flux on the properties of GaN films were systematically investigated by reflection high energy electron diffraction(RHEED),X-ray diffraction analysis(XRD),atomic force microscopy(AFM)and Raman scattering.The GaN film with small surface roughness and high c-axis preferred orientation was successfully achieved at the optimized TMGa flux of 1.0 sccm.The ohmic contact characteristic between GaN and Ti layer was clearly demonstrated by the near-linear current-voltage(I-V)curve.The GaN/Ti/glass structure has great potential to dramatically improve the scalability and reduce the cost of solid-state lighting light emitting diodes. | WANG EnPing BIAN JiMing QIN FuWen ZHANG Dong LIU YueMei ZHAO Yue DUAN ZhongWei WANG Shuai | 2013 | Chinese Science Bulletin2013,58,30: | 2 |
| 8 | On Φ-τ-Supplement Subgroups of Finite Groups显示文摘Let τ be a subgroup functor and H a p-subgroup of a finite group G. Let G= G/H_G and H= H/H_G. We say that H is Φ-τ-supplement in G if G has a subnormal subgroup T and a τ-subgroup S contained in H such that G=H T and H∩T≤SΦ(H). In this paper,some new characterizations of hypercyclically embedability and p-nilpotency of a finite group are obtained based on the assumption that some primary subgroups are Φ-τ-supplement in G. | Xiaojian MA Yuemei MAO | 2017 | Journal of Mathematical Research with Applications2017,37,3: | 2 |
| 9 | Chemistry of two-dimensional MXene nanosheets in theranostic nanomedicine显示文摘Transition metal carbide,carbonitride and nitride MXenes,as the emerging two-dimensional(2D)nanomaterials,have aroused burgeoning research interest in a broad range of applications ranging from energy conversion to biomedicines attributing to their distinctive planar nanostructure,physiochemical properties and biological effects.They are featured with fascinating electronic,optical,magnetic,mechanical and thermal properties,which exert significant roles in biomedical applications of 2D MXenes.In this review,we briefly summarize the recent research progress of 2D MXenes and highlight their intrinsic chemistry in theranostic nanomedicines,focusing on the synthetic chemistry for MXenes construction,surface chemistry for surface engineering,physiochemical property for theranostic application and biological chemistry for biosafety evaluation.Furthermore,based on the current achieve ments on MXenes,their potential research directio n,critical challenges and future development in biomedicine are also discussed.It is highly expected that 2D MXene-based nanosystems would have a broad application prospect in theranostic biomedicine provided the current facing critical issues and challenges are adequately solved. | Yuemei Wang Wei Feng Yu Chen | 2020 | Chinese Chemical Letters2020,31,4: | 2 |
| 10 | From core-shell to yolk-shell:Keeping the intimately contacted interface for plasmonic metal@semiconductor nanorods toward enhanced near-infrared photoelectrochemical performance显示文摘Here we report a synthetic strategy for controllable construction of yolk-shell and core-shell plasmonic metal@semiconductor hybrid nanocrystals through modulating the kinetics of sulfurization reaction followed by cation exchange.The yielded yolk-shell structured products feature exceptional crystallinity and more importantly,the intimately adjoined and sharp interface between plasmonic metal and semiconductor which facilitates efficient charge carrier communications between them.By exploiting the system composed of Au nanorods and p-type PbS as a demonstration,we show that the Au@PbS yolk-shell nanorods manifest notable improvement in visible and near infrared light absorption compared to the Au@PbS core-shell nanorods as well as hollow PbS nanorods.Moreover,the photocathode constituted by Au@PbS yolk-shell nanorods affords the highest photoelectrochemical activities both under simulated sunlight andλ>700 nm light irradiation.The superior performance of Au@PbS yolk-shell nanorods is considered arising from the combination of the favorable structural advantages of yolk-shell configuration and the surface plasmon resonance enhancement effect.We envision that the reported synthetic strategy can offer a valuable means to create hybrid nanocrystals with desirable structures and functions that enable to harness the photogenerated charge carriers,including the plasmonic hot holes,in wide-range solar-to-fuel conversion. | Xiaodong Wan Jia Liu Dong Wang Yuemei Li Hongzhi Wang Rongrong Pan Erhuan Zhang Xiuming Zhang Xinyuan Li Jiatao Zhang | 2020 | Nano Research2020,13,4: | 2 |
| 11 | Studies on the isolation and culture of protoplasts from Kappaphycus alvarezii显示文摘In this study, protoplasts were successfully isolated from Kappaphycus alvarezii using snail enzymes, abalone enzymes and cellulase. The optimum enzymic ratio was fixed to be 20% of abalone enzyme, 12% of cellulase and the osmotic stabilizer was 2.0 mol/L glucose. The optimum enzymic hydrolysis conditions were found to be dark enzymolysis at 30°C continuing for 4.0 h. The resultant density and yield of protoplasts achieved 32.60×104 mL-1, 65.20×104 g-1 tissue for Kappaphycus alvarezii. Finally, under the temperature of 20°C, light intensity of 1 500–2 000 lx and photoperiod of 12 h/d, two developmental pathways were investigated:(1) callus-like cell mass and regenerated plantlet occurred on protoplast;(2) young shoots and calluslike cell mass occurred in tissue blocks after enzymolysis. | ZHANG Si LIU Cui JIN Yuemei CHI Shan TANG Xianming CHEN Fuxiao FANG Xu LIU Tao | 2014 | Acta Oceanologica Sinica2014,33,10: | 2 |
| 12 | Trace element aluminum and health显示文摘 | LI Hengda WANG Yuemei LI Lei | 2006 | World Elemental Medicine2006,13,2: | 1 |
| 13 | Success Factors of PLM projects显示文摘 | Tan Yuemei | 2004 | Journal of Shanghai University (Natural Science)2004,,: | 1 |
| 14 | 24-h residual urine volume at hemodialysis initiation: A possible predictor for acute ischemic stroke incurrence in hemodialyis patients显示文摘 | Yuemei Chen Hong Liu Jianzhou Zou Yuxing Ge Jie Teng ShaoWei Xu WenLv Lv Zhonghua Liu Yan Xu XueSen Cao Bo Shen XiaoQiang Ding | 2012 | Clinical Neurology and Neurosurgery2012,,: | 1 |
| 15 | Swelling Behaviorsof a Three-Component Copolymer (Starch Graft Sodium Acrylate and 2-Acrylamido-2-Methyl-Propanosulfonic Acid ) Synthesized by Microwave Polymerization显示文摘 | Xu Kun Zhang Wende Yue Yuemei | 2005 | J Appl Polym Sci2005,95,3: | 1 |
| 16 | Application of Dithizone-Modified TiO2 Nanoparticles in the Preconcentration of Trace Chromium and Lead from Sample Solution and Determination by Inductively Coupled Plasma Atomic Emission Spectrometry显示文摘 | Ning Lian Xijun Chang Hong Zheng Sui Wang Yuemei Cui Yunhui Zhai | 2005 | Microchimica Acta (-)2005,,1: | 1 |
| 17 | Classification of function of traditional chinese medicine based on ANN显示文摘 | JIANG Meicun QIAO Yanjiang YUAN Yuemei | 2003 | China Joumal of Chinese Materia Medica (Chi)2003,28,7: | 1 |
| 18 | The design of HEPS global timing system显示文摘Purpose The high energy photon source(HEPS)is a 4th generation synchrotron light source under construction by the institute of high energy physics.The accelerator complex consists of a 500-MeV Linac,a full-energy synchrotron booster,a 6-GeV synchrotron storage ring(SR),and three e-beam transport lines for injection and extraction among accelerators.A global timing system(GTS)covers the timing needs for all accelerator,beamline,and experiment systems.The GTS is designed to coordinate the injection processes and various measurements and protections.Most systems require that the RMS jitter of the GTS signal is less than 30 ps,while the trigger jitters for the electron gun and SR injection and extraction kickers are less than 10 ps.Method The HEPS GTS is an event-based timing system based on MicroTCA.4 hardware architecture.The MicroTCA.4300 series products from the micro-research Finland Oy are implemented in the HEPS GTS system.Results and conclusions The RMS jitter,integrated from 1 Hz to 10 MHz,of the 166.6 MHz event clock is 5.489 ps.The RMS jitter of TTL outputs is less than 30 ps.This paper reports the design of the HEPS GTS,which satisfies all of the HEPS physics requirements for timing with preliminary test results shown. | Fang Liu Ge Lei Zhe Duan Cai Meng Chenyan Lu Yanhua Shao Xinpeng Ma Nan Gan Yuemei Peng Jianshe Cao Chungming Chu Yanfeng Sui Jingyi Li IHEP | 2021 | Radiation Detection Technology and Methods2021,5,3: | 1 |
| 19 | Quantitative assessments of the host range and strain specificity of endophytic colonization by Klebsiella pneumoniae 342显示文摘 | Yuemei Dong A. Leonardo Iniguez Eric W. Triplett | 2003 | Plant and Soil2003,,1: | 1 |
| 20 | Chemically modified silica gel with p -dimethylaminobenzaldehyde for selective solid-phase extraction and preconcentration of Cr(III), Cu(II), Ni(II), Pb(II) and Zn(II) by ICP-OES显示文摘 | Yuemei Cui Xijun Chang Xiangbing Zhu Haixia Luo Zheng Hu Xiaojun Zou Qun He | 2007 | Microchemical Journal2007,,1: | 1 |