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142篇 您的检索式:作者名="Li Sheng Ding"
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1Towards 6G wireless communication networks:vision,enabling technologies,and new paradigm shifts显示文摘The fifth generation(5G)wireless communication networks are being deployed worldwide from 2020 and more capabilities are in the process of being standardized,such as mass connectivity,ultra-reliability,and guaranteed low latency.However,5G will not meet all requirements of the future in 2030 and beyond,and sixth generation(6G)wireless communication networks are expected to provide global coverage,enhanced spectral/energy/cost efficiency,better intelligence level and security,etc.To meet these requirements,6G networks will rely on new enabling technologies,i.e.,air interface and transmission technologies and novel network architecture,such as waveform design,multiple access,channel coding schemes,multi-antenna technologies,network slicing,cell-free architecture,and cloud/fog/edge computing.Our vision on 6G is that it will have four new paradigm shifts.First,to satisfy the requirement of global coverage,6G will not be limited to terrestrial communication networks,which will need to be complemented with non-terrestrial networks such as satellite and unmanned aerial vehicle(UAV)communication networks,thus achieving a space-airground-sea integrated communication network.Second,all spectra will be fully explored to further increase data rates and connection density,including the sub-6GHz,millimeter wave(mmWave),terahertz(THz),and optical frequency bands.Third,facing the big datasets generated by the use of extremely heterogeneous networks,diverse communication scenarios,large numbers of antennas,wide bandwidths,and new service requirements,6G networks will enable a new range of smart applications with the aid of artificial intelligence(AI)and big data technologies.Fourth,network security will have to be strengthened when developing 6G networks.This article provides a comprehensive survey of recent advances and future trends in these four aspects.Clearly,6G with additional technical requirements beyond those of 5G will enable faster and further communications to the extent that the boundary between physical and cyber worlds disappears.Xiaohu YOU Cheng-Xiang WANG Jie HUANG Xiqi GAO Zaichen ZHANG Mao WANG Yongming HUANG Chuan ZHANG Yanxiang JIANG Jiaheng WANG Min ZHU Bin SHENG Dongming WANG Zhiwen PAN Pengcheng ZHU Yang YANG Zening LIU Ping ZHANG Xiaofeng TAO Shaoqian LI Zhi CHEN Xinying MA Chih-Lin I Shuangfeng HAN Ke LI Chengkang PAN Zhimin ZHENG Lajos HANZO Xuemin(Sherman)SHEN Yingjie Jay GUO Zhiguo DING Harald HAAS Wen TONG Peiying ZHU Ganghua YANG Jun WANG Erik GLARSSON Hien Quoc NGO Wei HONG Haiming WANG Debin HOU Jixin CHEN Zhe CHEN Zhangcheng HAO Geoffrey Ye LI Rahim TAFAZOLLI Yue GAO HVincent POOR Gerhard P.FETTWEIS Ying-Chang LIANG 2021Science China(Information Sciences)2021,64,1:122
2The Genome of Dendrobium officinale Illuminates the Biology of the Important Traditional Chinese Orchid Herb显示文摘Liang Yan Xiao Wang Hui Liu Yang Tian Jinmin Lian Ruijuan Yang ShumeiHao Xuanjun Wang Shengchao Yang Qiye Li Shuai Qi Ling Kui Moses Okpekum Xiao Ma Jiajin Zhang Zhaoli Ding Guojie Zhang Wen Wang Yang Dong Jun Sheng 2015Molecular Plant2015,8,6:64
3Lithium, an anti-psychotic drug, greatly enhances the generation of induced pluripotent stem cells显示文摘体的房间能由定义因素是进导致的 pluripotent 干细胞(iPSCs ) 的 reprogrammed。reprogramming 的低效率和 oncogenes 和病毒的向量的 genomic 集成限制了 iPSCs 的潜在的申请。这里,我们报导那锂(李) ,药过去常对待心情混乱,极大地从老鼠提高 iPSC 产生胚胎的成纤维细胞和人的脐的静脉 endothelial 房间。李与(Oct4 ) 或二个因素(OS 或好) 便于 iPSC 产生。支持 reprogramming 上的李的效果仅仅部分取决于它的主要目标 GSK3β。不同于另外的 GSK3β禁止者,李不仅增加 Nanog 的表示,而且提高 Nanog 的 transcriptional 活动。我们也发现李由经由 LSD1 的 downregulation 支持 epigenetic 修正施加它的效果, H3K4 特定的 histone demethylase。将 LSD1 击倒部分在提高 reprogramming 模仿李的效果。我们的结果不仅提供一个直接方法改进 iPSC 产生效率,而且为体的房间 reprogramming 作为一个批评调节的人识别了 histone demethylase。Quan Wang Xinxiu Xu Jun Li Jing Liu Haifeng Gu Ru Zhang Jiekai Chen Yin Kuang Jian Fei Cong Jiang Ping Wang Duanqing Pei Sheng Ding Xin Xie 2011Cell Research2011,21,10:23
4Gene-Gene Interaction of GJB2, SOD2, and CAT on Occupational Noise-induced Hearing Loss in Chinese Han Population显示文摘The effects of genetic factors on the noise-induced hearing loss(NIHL)are still unclear.In the present study,eight single-nucleotide polymorphisms(SNPs)included rs1227049 and rs3802711(CDH23),rs1695(GSTP1),rs137852540(GJB2),rs2289274(PMCA2),rs4880(SOD2),rs7943316,and rs769214 within CAT that might associated with NIHL were further validatedWANG Sheng Li YU Lu Gang LIU Ren Ping ZHU Wan Zhan GAO Wei Min XUE Li Ping JIANG Xu ZHANG Ya Han YI Ding CHEN Dong ZHANG Yong Hong 2014Biomedical and Environmental Sciences2014,27,12:12
5Histone methyltransferase G9a contributes to H3K27 methylation in vivo显示文摘Hui Wu Xiuzhen Chen Jun Xiong Yingfeng Li Hong Li Xiaojun Ding Sheng Liu She Chen Shaorong Gao Bing Zhu 2011Cell Research2011,21,2:8
6BubR1 phosphorylates CENP-E as a switch enabling the transition from lateral association to end-on capture of spindle microtubules显示文摘Error-free mitosis depends on accurate chromosome attachment to spindle microtubules, powered congression of those chromosomes, their segregation in anaphase, and assembly of a spindle midzone at mitotic exit. The centromere-associated kinesin motor CENP-E, whose binding partner is BubR1, has been implicated in congression of misaligned chromosomes and the transition from lateral kinetochore-microtubule association to end-on capture. Although previously proposed to be a pseudokinase, here we report the structure of the kinase domain of Drosophila melanogaster BubR1, revealing its folding into a conformation predicted to be catalytically active. BubR1 is shown to be a bona fide kinase whose phosphorylation of CENP-E switches it from a laterally attached microtubule motor to a plus-end microtubule tip tracker. Computational modeling is used to identify bubristatin as a selective BubR1 kinase antagonist that targets the αN1 helix of N-terminal extension and αC helix of the BubR1 kinase domain. Inhibition of CENP-E phosphorylation is shown to prevent proper microtubule capture at kinetochores and, surprisingly, proper assembly of the central spindle at mitotic exit. Thus, BubR1-mediated CENP-E phosphorylation produces a temporal switch that enables transition from lateral to end-on microtubule capture and organization of microtubules into stable midzone arrays.Yuejia Huang Lin Lin Xing Liu Sheng Ye Phil Y. Yao Wenwen Wang Fengrui Yang Xinjiao Gao Junying Li Yin Zhang Jiancun Zhang Zhihong Yang Xu Liu Zhenye Yang Jianye Zang Maikun Teng Zhiyong Wang Ke Ruan Xia Ding Lin Li Don W. Cleveland Rongguang Zhang Xuebiao Yao 2019Cell Research2019,29,7:8
7Polyoxypregnanes from the stems of Marsdenia tenacissima显示文摘From the stems of Marsdenia tenacissima two new polyoxypregnanes were isolated, their structures were elucidated by 1D, 2D- NMR as 11a,12b-di-O-tigloyl-tenacigenin B (1) and tenacigenoside E(2).Qi Fa Li Xiao Ling Wang Li Sheng Ding Chang Zhang 2007Chinese Chemical Letters2007,18,7:8
8Integrating landscape ecological principles and land evaluation for sustainable land use显示文摘1IntroductionRisingpopulationscompetingforlimitedlandresourceshavefocusedatentionontheneedforincreasingfoodproduction,whilepr...Fu Bo jie, Chen Li ding Research Centre for Eco Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China He Chan sheng Department of Geography, Western Michigan University, Kalamazoo, MI 49008, USA 1999Journal of Environmental Sciences1999,11,2:8
9Modeling assessment for ammonium nitrogen recovery from wastewater by chemical precipitation显示文摘Chemical precipitation to form magnesium ammonium phosphate(MAP) is an effective technology for recovering ammonium nitrogen(NH4+-N).In the present research,we investigated the thermodynamic modeling of the PHREEQC program for NH4+-N recovery to evaluate the effect of reaction factors on MAP precipitation.The case study of NH4+-N recovery from coking wastewater was conducted to provide a comparison.Response surface methodology(RSM) was applied to assist in understanding the relative significance of reaction factors and the interactive effects of solution conditions.Thermodynamic modeling indicated that the saturation index(SI) of MAP followed a polynomial function of pH.The SI of MAP increased logarithmically with the Mg2+/NH4+ molar ratio(Mg/N) and the initial NH4+-N concentration(CN),respectively,while it decreased with an increase in Ca2+/NH4+ and CO32?/NH4+ molar ratios(Ca/N and CO32?/N),respectively.The trends for NH4+-N removal at different pH and Mg/N levels were similar to the thermodynamic modeling predictions.The RSM analysis indicated that the factors including pH,Mg/N,CN,Ca/N,(Mg/N)×(CO32?/N),(pH)2,(Mg/N)2,and(CN)2 were significant.Response surface plots were useful for understanding the interaction effects on NH4+-N recovery.Tao Zhang Qiucheng Li Lili Ding Hongqiang Ren Ke Xu Yonggang Wu Dong Sheng 2011Journal of Environmental Sciences2011,23,6:8
10Monoterpene Glycosides from the Roots of Paeonia lactiflora显示文摘A new monoterpene glycoside,together with nine known ones,3-O-methylpaeoniflorin,mudanpioside J,paeoniflorin,benzoylpaeoniflorin,oxypaeoniflorin,benzoyloxypaeoniflorin,oxybenzoylpaeoniflorin,albiflorin and lactiflorin,was isolated from the roots of Paeonia lactiflora Pall.. The structure of the new compound was elucidated as galloylalbiflorin by the spectro-scopic evidence including ESI-MS,1D-and 2D-NMR spectra.Xiao Ling WANG Wei JIAO Xun LIAO Shu Ling PENG Li Sheng DING 2006Chinese Chemical Letters2006,17,7:7
11A New Cyclic Peptide from Schnabelia tetradonta显示文摘A new cyclic octapeptide (schnabepeptide B) was isolated from the aerial part ofSchnabelia tetradonta (Sun) C. Y. Wu et C. Chen (Lamiaceae). Its structure was elucidated ascyclo-(NH-Trp-Gly1-Leu1-Gly2-Pro1-Pro2-Leu2-Pro3-CO) on the basis of extensive 2D NMR andMS spectra.Hui DOU, Yan ZHOU, Shu lin PENG, Li Sheng DING Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041 2003Chinese Chemical Letters2003,14,9:7
12A combination of follicle stimulating hormone, estradiol and age is associated with the pregnancy outcome for women undergoing assisted reproduction: a retrospective cohort analysis显示文摘To investigate the effect of basal hormone levels including follicle stimulating hormone(FSH) and estradiol(E2) and age on the pregnancy outcomes in women undergoing in vitro fertilization and embryo transfer(IVF-ET), we designed a retrospective cohort analysis and collected information of patients undergoing IVF between January 2014 and April 2017. We found that young women had much better pregnancy outcomes than older women regardless of the hormone levels. The pregnancy outcomes declined in young women with high basal E2, even though they had normal FSH. Older women with higher FSH had a worse outcome of pregnancy, especially with increased E2 level. The results suggest that a combination of FSH, E2 and age could effectively predict the pregnancy outcome for women undergoing IVF-ET, and we should encourage infertile women with diminished ovarian reserve, especially young infertile women, to try the assisted reproduction as early as possible. After 40-yearold, the cost-benefit ratio should be considered according to the ovarian function.Ziru Jiang Li Jin Weihui Shi Ji Xi Yulian Hu Xinmei Liu Jianzhong Sheng Guolian Ding Hefeng Huang 2019Science China(Life Sciences)2019,62,1:7
13Tetramethylpyrazine prevents liver fibrotic injury in mice by targeting hepatocyte-derived and mitochondrial DNA-enriched extracellular vesicles显示文摘Liver fibrosis is the common consequence of almost all liver diseases and has become an urgent clinical problem without efficient therapies.Recent evidence has shown that hepatocytes-derived extracellular vesicles(EVs)play important roles in liver pathophysiology,but little is known about the role of damaged hepatocytes-derived EVs in hepatic stellate cell(HSC)activation and following fibrosis.Tetramethylpyrazine(TMP)from Ligusticum wallichii Franchat exhibits a broad spectrum of biological activities including liver protection.In this study,we investigated whether TMP exerted liver-protective action through regulating EV-dependent intercellular communication between hepatocytes and HSCs.Chronic liver injury was induced in mice by CCl_(4)(1.6 mg/kg,i.g.)twice a week for 8 weeks.In the last 4 weeks of CCl_(4) administration,mice were given TMP(40,80,160 mg·kg^(-1)·d^(-1),i.g.).Acute liver injury was induced in mice by injection of a single dose of CCl_(4)(0.8 mg/kg,i.p.).After injection,mice were treated with TMP(80 mg/kg)every 24 h.We showed that TMP treatment dramatically ameliorated CCl_(4)-induced oxidative stress and hepatic inflammation as well as acute or chronic liver fibrosis.In cultured mouse primary hepatocytes(MPHs),treatment with CCl_(4) or acetaminophen resulted in mitochondrial dysfunction,release of mitochondrial DNA(mtDNA)from injured hepatocytes to adjacent hepatocytes and HSCs through EVs,mediating hepatocyte damage and fibrogenic responses in activated HSCs;pretreatment of MPHs with TMP(25μM)prevented all these pathological effects.Transplanted serum EVs from TMP-treated mice prevented both initiation and progression of liver fibrosis caused by CCl_(4).Taken together,this study unravels the complex mechanisms underlying the protective effects of TMP against mtDNA-containing EV-mediated hepatocyte injury and HSC activation during liver injury,and provides critical evidence inspiring the development of TMP-based innovative therapeutic agents for the treatment of liver fibrosis.Ya-jing Li Run-ping Liu Ming-ning Ding Qi Zheng Jian-zhi Wu Xiao-yong Xue Yi-qing Gu Bo-ning Ma Ya-jie Cai Shuo Li Sheng Lin Lu-yong Zhang Xiaojiaoyang Li 2022Acta Pharmacologica Sinica2022,43,8:5
14A fully automatic registration approach based on contour and SIFT for HJ-1 images显示文摘To achieve a fully automatic registration between HJ-1 CCD images and HJ-1 infrared images is a difficult task as it must deal with the varying illuminations and resolutions of the images,different perspectives,and the local deformations within the images.In this paper,aimed at those registration issues,a fully automatic registration approach based on contour and SIFT is proposed.The registration technique performs a pre-registration process using contour feature matching algorithm that decides the overlapping region between a reference image and an input image.Once the coarse regions are obtained,it performs a fine registration process based on SIFT detector and a local adaptive matching strategy.In the fine registration process,image blocking theory is used,which not only speeds up the features extraction and matching,but also makes the matching point pairs distributed uniformly in images,and further improves the accuracy of input image rectification.Experiments with visible images and infrared images from HJ-1A/B demonstrate the efficiency and the accuracy of the proposed technique for multisource remote sensing images registration.NI XiLiang CAO ChunXiang DING Lin JIANG Tao ZHANG Hao JIA HuiCong LI GuangHe ZHAO Jian CHEN Wei JI Wei XU Min GAO MengXu ZHENG Sheng TIAN Rong LIU Cheng LI Sha 2012Science China Earth Sciences2012,55,10:5
15Enhanced mechanical properties and flame retardancy of short jute fiber/poly(lactic acid)composites with phosphorus-based compound显示文摘In this work, a phosphorous-based compound(DOPO-ICN) was obtained by a two-step process. 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide(DOPO) reacted with formaldehyde firstly, followed with reacting with 1,6-hexane diisocyanate(HDI). The chemical structure of DOPO-ICN was confirmed by Fourier transform infrared spectroscopy(FTIR) and 1 H NMR.The influence of DOPO-ICN on the mechanical and flammability properties of jute/PLA composites was studied. Compared to DOPO, DOPO-ICN improved the tensile, flexural and impact strength of the flame retardant jute/PLA composites. Moreover,the flammability of jute/PLA composites with different DOPO and DOPO-MA loading was investigated by thermogravimetric analysis(TGA), UL 94 test and limiting oxygen index(LOI) measurements. The results showed that DOPO-ICN imparted the flame retardancy to the jute/PLA composites.YU Tao DING Ding SHENG Cong TUERHONGJIANG Tuerdi LI Yan 2017Science China(Technological Sciences)2017,60,11:5
16Integrated genomic analysis identifies deregulated JAK/STAT-MYC-biosynthesis axis in aggressive NK-cell leukemia显示文摘好攻击的 NK 房间白血病(ANKL ) 是在从亚洲的人之中是更流行的 NK 房间瘤的一种稀罕形式并且中央并且南美洲。病人们通常在天以内死到月,甚至在收到迅速的治疗学的管理以后。这里,我们由集成整个染色体执行了 ANKL 的第一全面研究, transcriptome 并且定序指向,象功能的试金一样的 cytokine 数组。在 JAK-STAT 小径的变化在 48% 被识别(14/29 ) ANKL 病人,当细胞外的 STAT3 激发器 IL10 被 56 褶层的一般水准提高时(P < 0.0001 ) 在检查的所有病人的血浆。另外的经常变异的基因包括的 TP53 (34%) , TET2 (28%) , CREBBP (21%) 和 MLL2 (21%) 。耐心的 NK 白血病房间在多重新陈代谢的小径显示出 STAT3 phosphorylation, MYC 表示和 transcriptional 活动的突出的激活。机能上地, STAT3 激活和 MYC 表示为 ANKL 房间的增长和幸存是批评的。发信号的 STAT 调整了发信号的 MYC 抄写节目,和两 STAT, MYC 抄写被要求维持核苷酸合成和 glycolysis 的激活。一起, JAK-STAT 小径在 ANKL 为 genomic 改变和 IL10 刺激代表一个主要目标。这最新发现的 JAK/STAT-MYC-biosynthesis 轴可以在对待白血病的这种子类型为新奇治疗学的策略的发展提供机会。Liang Huang Dan Liu Na Wang Shaoping Ling Yuting Tang Jun Wu Lingtong Hao Hui Luo Xuelian Hu Lingshuang Sheng Lijun Zhu Di Wang Yi Luo Zhen Shang Min Xiao Xia Mao Kuangguo Zhou Lihua Cao Lili Dong Xinchang Zheng Pinpin Sui Jianlin He Shanlan Mo Jin Yan Qilin Ao Lugui Qiu Hongsheng Zhou Qifa Liu Hongyu Zhang Jianyong Li Jie Jin Li Fu Weili Zhao Jieping Chen Xin Du Guoliang Qing Hudan Liu Xin Liu Gang Huang Ding Ma Jianfeng Zhou Qian-fei Wang 2018Cell Research2018,28,2:5
17Construction of NH2-MIL-125(Ti)/Bi2WO6 composites with accelerated charge separation for degradation of organic contaminants under visible light irradiation显示文摘Photocatalysis is considered as an ideal strategy for water pollution treatment.However,it remains challenging to design a highly efficient photo-catalytic system through regulating the charge flow via a precise approach.In this work,a novel NH2-MIL-125(Ti)/Bi2WO6 composite was constructed via self-assembly growing Bi2WO6 nanosheets on NH2-MIL-125(Ti)material.The characterization results demonstrated that NH2-MIL-125(Ti)was successfully incorporated into Bi2WO6 and the photoexcited carriers could be efficiently separated and transferred between the two components.NH2-MIL-125(Ti)/Bi2WO6 composites displayed enhanced photocatalytic activity for the removal of rhodamine B(RhB)and tetracycline(TC)under visible light irradiation,and the optimal weight ratio of NH2-MIL-125(Ti)was determined to be 7 wt%.The introduction of NH2-MIL-125(Ti)into Bi2WO6 could raise the absorption of visible light,accelerate the separation and transfer of charge carriers,and boost photocatalytic activity.This research presents a wide range of possibilities for the further development of novel composites in the field of environment purification.Sheng Yin Yong Chen Ming Li Qingsong Hu Yi Ding Yifan Shao Jun Di Jiexiang Xia Huaming Li 2020Green Energy & Environment2020,5,2:5
18Prevalence of Metabolic Syndrome in Chinese Nickel-exposed Workers显示文摘The prevalence of metabolic syndrome(MS was investigated in Chinese nickel-exposed workers A total of 35 104 subjects were enrolled in this study.The age-adjusted prevalence of MS,BMI≥25diabetes,hypertension,and abnormal lipid was13.9%,29.5%,12.8%,27.5%,and 47.1%respectively.The prevalence of BMI≥25hyperglycemia,and hypertension increasedYANG Ai Min BAI Ya Na PU Hong Quan ZHENG Tong Zhang CHENG Ning LI Juan Sheng LI Hai Yan ZHANG Ya Wei DING Jiao SU Hui REN Xiao Wei HU Xiao Bin 2014Biomedical and Environmental Sciences2014,27,6:5
19Chemical approaches to studying stem cell biology显示文摘干细胞,包括 pluripotent 干细胞和 multipotent 体的干细胞,为讯问织物开发的机制,并且为对待众多的破坏的抓住伟人潜力,动态平衡和病理疾病。建立在 vitro 平台,忠实地维持并且精确操作干细胞命运是必要的理解干细胞生物学的基本机制,并且把干细胞翻译成再生药。化学途径最近提供了能被用来控制房间自强,系区别, reprogramming 和新生的很多个小分子。这些化学调节的人被证明了是为探查干细胞生物学并且向需要的结果操作房间命运的万用的工具。最终,这策略正在答应是为针对内长的干细胞调整的药开发的新边疆。Wenlin Li Kai Jiang Wanguo Wei Yan Shi Sheng Ding 2013Cell Research2013,23,1:5
20Myofiber necroptosis promotes muscle stem cell proliferation via releasing Tenascin-C during regeneration显示文摘Necroptosis,a form of programmed cell death,is characterized by the loss of membrane integrity and release of intracellular contents,the execution of which depends on the membrane-disrupting activity of the Mixed Lineage Kinase Domain-Like protein(MLKL)upon its phosphorylation.Here we found myofibers committed MLKL-dependent necroptosis after muscle injury.Either pharmacological inhibition of the necroptosis upstream kinase Receptor Interacting Protein Kinases 1(RIPK1)or genetic ablation of MLKL expression in myofibers led to significant muscle regeneration defects.By releasing factors into the muscle stem cell(MuSC)microenvironment,necroptotic myofibers facilitated muscle regeneration.Tenascin-C(TNC),released by necroptotic myofibers,was found to be critical for MuSC proliferation.The temporary expression of TNC in myofibers is tightly controlled by necroptosis;the extracellular release of TNC depends on necroptotic membrane rupture.TNC directly activated EGF receptor(EGFR)signaling pathway in MuSCs through its N-terminus assembly domain together with the EGF-like domain.These findings indicate that necroptosis plays a key role in promoting MuSC proliferation to facilitate muscle regeneration.Shen'ao Zhou Wei Zhang Gaihong Cai Yingzhe Ding Caixia Wei Sheng Li Yu Yang Jie Qin Dan Liu Hao Zhang Xiexiang Shao Jianhua Wang Hongye Wang Wenjun Yang Huating Wang She Chen Ping Hu Liming Sun 2020Cell Research2020,30,12:4
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