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47篇 您的检索式:作者名="Fangming Liu"
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1mTOR/miR-145-regulated exosomal GOLM1 promotes hepatocellular carcinoma through augmented GSK-3b/MMPs显示文摘Golgi membrane protein 1(GOLM1/GP73)is a serum marker of hepatocellular carcinoma(HCC).We have previously shown that mTOR promoted tumorigenesis of HCC through stimulating GOLM1 expression.In this study,we demonstrated that the mammalian target of rapamycin(mTOR)was a negative regulator of microRNA-145(miR-145)expression.miR-145 inhibited GOLM1 expression by targeting a coding sequence of GOLM1 gene.GOLM1 and miR-145 were inversely correlated in human HCC tissues.GOLM1-enriched exosomes activated the glycogen synthase kinase-3β/matrix metalloproteinases(GSK-3β/MMPs)signaling axis of recipient cells and accelerated cell proliferation and migration.In contrast,miR-145 suppressed tumorigenesis and metastasis.We suggest that mTOR/miR-145/GOLM1 signaling pathway should be targeted for HCC treatment.Xiaochen Gai Bufu Tang Fangming Liu Yuting Wu Fang Wang Yanling Jing Fuqiang Huang Di Jin Ling Wang Hongbing Zhang 2019Journal of Genetics and Genomics2019,46,5:13
2Internet of Things to network smart devices for ecosystem monitoring显示文摘Smart, real-time, low-cost, and distributed ecosystem monitoring is essential for understanding and managing rapidly changing ecosystems. However, new techniques in the big data era have rarely been introduced into operational ecosystem monitoring, particularly for fragile ecosystems in remote areas.We introduce the Internet of Things(IoT) techniques to establish a prototype ecosystem monitoring system by developing innovative smart devices and using IoT technologies for ecosystem monitoring in isolated environments. The developed smart devices include four categories: large-scale and nonintrusive instruments to measure evapotranspiration and soil moisture, in situ observing systems for CO2 and d13 C associated with soil respiration, portable and distributed devices for monitoring vegetation variables, and Bi-CMOS cameras and pressure trigger sensors for terrestrial vertebrate monitoring. These new devices outperform conventional devices and are connected to each other via wireless communication networks. The breakthroughs in the ecosystem monitoring IoT include new data loggers and longdistance wireless sensor network technology that supports the rapid transmission of data from devices to wireless networks. The applicability of this ecosystem monitoring IoT is verified in three fragile ecosystems, including a karst rocky desertification area, the National Park for Amur Tigers, and the oasis-desert ecotone in China. By integrating these devices and technologies with an ecosystem monitoring information system, a seamless data acquisition, transmission, processing, and application IoT is created. The establishment of this ecosystem monitoring IoT will serve as a new paradigm for ecosystem monitoring and therefore provide a platform for ecosystem management and decision making in the era of big data.Xin Li Ning Zhao Rui Jin Shaomin Liu Xiaomin Sun Xuefa Wen Dongxiu Wu Yan Zhou Jianwen Guo Shiping Chen Ziwei Xu Mingguo Ma Tianming Wang Yonghua Qu Xinwei Wang Fangming Wu Yuke Zhou 2019Science Bulletin2019,64,17:10
3Aquatic Species Dominate Organic Matter in Qinghai Lake during the Holocene:Evidence from Eolian Deposits around the Lake显示文摘Total organic carbon(TOC) in lake sediments and its stable carbon isotope(δ^(13)C_(org)) are widely applied to investigate paleoenvironmental changes even though their implications are complicated and multi-explanatory. Organic geochemistry studies of lake sediments from Qinghai Lake have been investigated, but some interpretations are controversial. In this study, TOC of one Holocene eolian section and δ^(13)C_(org) of three eolian sections were studied around Qinghai Lake. Results indicate that the TOC content in eolian deposits was low during the Early Holocene, and gradually increased to high values during the Middle and Late Holocene. The variation in TOC content of eolian deposits is different from that in the lacustrine sequence from Qinghai Lake during the Holocene. The δ^(13)C_(org) values in the eolian sections were relatively stable, with oscillation amplitudes of ~4‰(ranging from-25.8‰ to-22.1‰), in contrast to ~10‰ variation s in δ^(13)C_(org) values(varying from-30‰ to-20‰) in lacustrine sediments. Through comparison of TOC and δ^(13)C_(org) values between eolian deposits and lacustrine sediments, we can confirm indications that the organic matter in Qinghai Lake sediments during the Holocene was primarily a contribution of the aquatic species in the lake. This is significant for understanding the origin of organic matter in lake sediments on the northeastern Qinghai-Tibetan Plateau and for paleoenvironmental inferences using such proxies.Fangming Zeng Xiangjun Liu Xiangzhong Li Chongyi E 2017Journal of Earth Science2017,28,3:6
4Plant Programmed Cell Death Caused by an Autoactive Form of Prf Is Suppressed by Co-Expression of the Prf LRR Domain显示文摘在西红柿, NBARC-LRR 抵抗(R) 蛋白质 Prf 与 Pto 或分 kinase 在音乐会行动对 Pseudomonas syringae pv 决定免疫。西红柿(Pst ) 。发信号的调停 Prf 的防卫被二顺序无关的藏匿 Pst 的受动器蛋白质, AvrPto 和 AvrPtoB 的识别开始,由西红柿 Pto 或分。Prf 检测这些相互作用并且激活发信号包括与 Pst 生长的拘捕被联系的局部性的规划细胞死亡(PCD ) 导致宿主防卫回答。当短暂地在 Nicotiana benthamiana 的叶子表示了时,我们发现有在在在 NBARC 领域的 IHD 主题(isoleucine-histidine-aspartic 酸) 的 D1416 的单个氨基酸替换的 Prf 变体引起受动器无关的 PCD,建议 D1416 起在 Prf 的激活的一个重要作用。Prf (NPrf ) 和 LRR 领域的 N 终端区域为发信号的这 autoactive Prf 房间死亡被要求但是为 PrfD1416V 蛋白质的累积非必需。显著地, Prf LRR 然而并非 NPrf 的合作表示与 PrfD1416V, AvrPto/Pto, AvrPtoB/Pto, Pto (PtoY207D ) 的一种 autoactive 形式,或分完全压制 PCD。然而, Prf LRR 不防碍 PCD 由 Rpi-blb1D475V 引起了,表明事件的不同 R 调停蛋白质的 PCD,或由 MAPKKK 的 overexpression 引起了, Prf 下游地行动的蛋白质。而且,我们发现当与 Prf LRR 领域共同表示时, PrfD1416V 蛋白质是不能的在植物房间积累,多半向房间死亡解释抑制。为 PrfD1416V 的导致 LRR 的降级的机制是未知的,但是可以在 Prf 或到独立 LRR 的绑定的 intramolecular 相互作用包含干扰到为 Prf 稳定性被需要的另外的主机蛋白质。Xinran Du Min Miao Xinrong Ma Yongsheng Liu Joseph C. Kuhl Gregory B. Martin Fangming Xiao 2012Molecular Plant2012,5,5:4
5Global perspectives and future research directions for the phytoremediation of heavy metal-contaminated soil:A knowledge mapping analysis from 2001 to 2020显示文摘In total,9,552 documents were extracted from the Web of Science Core Collection and subjected to knowledge mapping and visualization analysis for the field of phytoremediation of HM-contaminated soil(PHMCS)with CiteSpace 5.7 R3 software.The results showed that(1)the number of publications increased linearly over the studied period.The top 10 countries/regions,institutions and authors contributing to this field were exhibited.(2)Keyword co-occurrence cluster analysis revealed a total of 8 clusters,including“Bioremediation,”“Arsenic,”“Biochar,”“Oxidative stress,”“Hyperaccumulation,”“EDTA,”“Arbuscular mycorrhizal fungi,”and“Environmental pollution”clusters(3)In total,334 keyword bursts were obtained,and the 25 strongest,longest duration,and newest keyboard bursts were analyzed in depth.The strongest keyword burst test showed that the hottest keywords could be divided into 7 groups,i.e.,“Plant bioremediation materials,”“HM types,”“Chelating amendments,”“Other improved strategies,”“Bioremediation characteristics,”“Risk assessment,”and“Other.”Almost half of the newest topics had emerged in the past 3 years,including“biochar,”“drought,”“health risk assessment,”“electrokinetic remediation,”“nanoparticle,”and“intercropping.”(4)In total,9 knowledge base clusters were obtained in this study.The studies of Ali et al.(2013),Blaylock et al.(1997),Huang et al.(1997),van der Ent et al.(2013),Salt et al.(1995),and Salt(1998),which had both high frequencies and the strongest burst scores,have had the most profound effects on PHMCS research.Finally,future research directions were proposed.Kehui Liu Xiaojin Guan Chunming Li Keyi Zhao Xiaohua Yang Rongxin Fu Yi Li Fangming Yu 2022Frontiers of Environmental Science & Engineering2022,16,6:4
6Deficient Rnf43 potentiates hyperactive Kras-mediated pancreatic preneoplasia initiation and malignant transformation显示文摘Background:Largely due to incidental detection,asymptomatic pancreatic cystic le-sions(PCLs)have become prevalent in recent years.Among them,intraductal papillary mucinous neoplasm(IPMN)infrequently advances to pancreatic ductal adenocarcinoma(PDAC).Conservative surveillance versus surgical intervention is a difficult clinical decision for both caregivers and PCL patients.Because RNF43 loss-of-function mutations and KRAS gain-of-function mutations concur in a subset of IPMN and PDAC,their biological significance and therapeutic potential should be elucidated.Methods:Pancreatic Rnf43 knockout and Kras activated mice(Rnf43^(−/−);Kras^(G12D))were generated to evaluate their clinical significance in pancreatic pre-neoplastic initiation and malignant transformation.Results:Loss of Rnf43 potentiated the occurrence and severity of IPMN and PDAC in oncogenic Kras mice.The Wnt/β-catenin signaling pathway was activated in pan-creatic Kras^(G12D)and Rnf43 knockout mice and the PORCN inhibitor LGK974 blocked pancreatic IPMN initiation and progression to PDAC accordingly.Conclusions:Rnf43 is a tumor suppressor in the prevention of pancreatic malignant transformation.This genetically reconstituted autochthonous pancreatic Rnf43^(−/−);Kras^(G12D)preclinical cancer model recapitulates the pathological process from pancreatic cyst to cancer in humans and can be treated with inhibitors of Wnt/β-catenin signaling.Since the presence of RNF43 and KRAS mutations in IPMNs predicts future development of advanced neoplasia from PCLs,patients with these genetic anomalies warrant surveillance,surgery,and/or targeted therapeutics such as Wnt/β-catenin inhibitors.Xian Zhou Zhichao Sun Mengdi Zhang Xiaoyu Qu Shuhui Yang Lianmei Wang Yanling Jing Li Li Weiwei Deng Fangming Liu Jin Di Jie Chen Jian Wu Hongbing Zhang 2022Animal Models and Experimental Medicine2022,5,1:3
7Delphinidin-induced autophagy protects pancreatic β cells against apoptosis resulting from high-glucose stress via AMPK signaling pathway显示文摘Hyperglycemia,a diagnostic characteristic of diabetes mellitus,is detrimental to pancreatic 0 cells.Delphinidin,a member of the anthocyanin family,inhibits glucose absorption,increases glucagonlike peptide(GLP-1)secretion,and improves insulin secretion in diabetes.However,whether delphinidin plays a protective role in pancreatic p-cell mass and function is not clear.In this study,delphinidin was found to decrease the high-glucose-induced apoptosis of RIN-m5F pancreatic β cells.In addition,delphinidin induced autophagy in RIN-m5F cells under the normal and highglucose conditions,while 3-methyladenine(3-MA)inhibition of autophagy significantly diminished the protective role of delphinidin against high-glucose-induced apoptosis of pancreatic β cells.Delphinidin also decreased the level of cleaved caspase 3 and increased the phosphorylation level of AMP-activated protein kinase a(AMPKa)Thr172.Compound C,an AMPK inhibitor,was found to decrease the ratio of LC3-II/LC3-I,and the apoptotic rate of high-glucose-injured cells was in creased after treatme nt with delphinidin,in dicating that delphinidi n attenuated the n egative effects of high-glucose stress to cells.In con elusion,our data dem on strate that delphi nidin protects pancreatic B cells against high-glucose-induced injury by autophagy regulation via the AMPK signaling pathway.These findings might shed light on the underlying mechanisms of diabetes and help improve the prevention and therapy of this common disease.Dengni Lai Mingyong Huang Lingyan Zhao Yan Tian Yong Li Dongpo Liu Yanyang Wu Fangming Deng 2019Acta Biochimica et Biophysica Sinica2019,51,12:3
8A Novel Vertical Handoff Algorithm with Dynamic Weights in Wireless Heterogeneous Networks显示文摘Liu Xia Zhao Fangming Jiang Lingge 2010China Communications2010,7,5:2
9The complete genome of hydrocarbon-degrading Pseudoalteromonas sp. NJ289 and its phylogenetic relationship显示文摘Genus Pseudoalteromonas belongs to Family Pseudoalteromonadaceae in Gammaproteobacteria. A cold-adapted gram-negative bacterium, hydrocarbon-degrading Pseudoalteromonas sp. NJ289, was isolated from sea-ice of the Antarctica region, and sequenced the whole genome through the next generation sequencing platform. The assembly yielded three contigs representing two chromosomes and one plasmid with the sizes of 3.2 Mb, 636 kb and 1.8 kb, respectively. The G+C contents of genome were 40.83% and included 3 589 ORFs. Functional annotation indicated some potential roles in enzymatic activity and environmental adaptability. This study may help for understanding the population diverse, evolutionary ecology and the microbial interaction.LIU Fangming WANG Yibin QU Changfeng ZHENG Zhou MIAO Jinlai XU Hua XIAO Tian 2017Acta Oceanologica Sinica2017,36,2:2
10Hyperbolic heat conduction restricted by continuous boundary interface显示文摘Finite difference method (FDM) combined with MacCormack' s predictor-corrector scheme is used to solve the problem of hyperbolic heat conduction in a finite medium. One of its boundary surfaces is heated by a rectangular pulsed energy source while the other surface is tightly contacted with another medium where the continuous boundary condition is satisfied. Some non-Fourier heat conduction behaviors have been analyzed theoretically.JIANG Fangming(蒋方明) LIU Dengying(刘登瀛) 2001Progress in Natural Science:Materials International2001,11,4:2
11Catalytic transfer hydrogenation of levulinate ester intoγ-valerolactone over ternary Cu/ZnO/Al2O3 catalyst显示文摘An effective catalytic transfer hydrogenation (CTH) process of bio-based levulinate esters into γ-valerolactone (GVL) was explored over ternary Cu/ZnO/Al2O3 catalyst which was prepared by coprecipitation method and could be sustainably used. As a result, quantitative conversion of ethyl levulinate (EL) and 99.0% yield of GVL were obtained in the CTH process using i-PrOH as hydrogen donor. The Cu/ZnO/Al2O3 catalyst with high-surface-area could be reused at least four times without the loss of catalytic activity. Furthermore, the structure and properties of Cu/ZnO/Al2O3 catalyst was characterized through XRD, BET, SEM, TEM and H2-TPR. Also, the influence of different support oxides and calcination temperatures was investigated.Chuntao Zhang Zhibao Huo Dezhang Ren Zhiyuan Song Yunjie Liu Fangming Jin Wanning Zhou 2019Journal of Energy Chemistry2019,28,5:2
12The establishment of polypeptide PSMA-targeted chimericantigen receptor-engineered natural killer cells forcastration-resistant prostate cancer and the induction of ferroptosis-related cell death显示文摘Background:The mortality of castration-resistant prostate cancer(CRPC)is high due to lack of an effective treatment.Chimeric antigen receptor(CAR)-based therapy is a promising immunotherapeutic strategy.Here,we aimed to design a novel CAR-natural killer(NK)cells with a clinically significant tumoricidal effect on CRPC.Methods:We constructed novel CAR-NK92MI cells with a CD244-based recombinant lentiviral vector.Different intracellular segments(CD244,NKG2D,or CD3ζ)were screened to identify the best candidate according to cell lysis assay and CD107a expression levels.To enhance the affinity of the CAR to the tumor antigen,we compared an antibody specific for prostate-specific membrane antigen(anti-PSMA)with PSMA-targeted polypeptide(p-PSMA),which was screened by phage display combinatorial library.Then,CAR-NK92MI cells with both a high affinity for PSMA and a strong tumoricidal capacity were generated.In addition,we verified their tumor-killing effect in vitro and in vivo.The release of cytokine by NK92MI cells was compared with that by CAR-NK92MI cells through flow cytometry and enzyme-linked immunosorbent assay.Moreover,ferroptosis-related cell death was explored as a possible underlying mechanism.Results:Three different CAR intracellular regions CAR1(CD244),CAR2(CD244,NKG2D)and CAR3(CD244,NKG2D,and CD3ζ)were constructed.CAR2 was chosen to confer a stronger tumoricidal ability on CAR-NK92MI cells.Compared with anti-PSMA,p-PSMA exhibited enhanced affinity for the tumor antigen.Thus,p-PSMA-CAR-NK92MI cells,which expressed CAR with a polypeptide-based antigen-binding region,an intracellular CD244 and a NKG2D costimulatory domain,were generated.They could selectively and successfully kill PSMA+target cells and exhibited specific lysis rate of 73.19%for PSMA-positive C4-2 cells and 33.04%for PSMA-negative PC3 cells.Additionally,p-PSMA-CAR-NK92MI cells had significantly higher concentrations of IFN-γ,TNF-αand granzyme B than NK92MI cells.In a CRPC cancer xenograft model,p-PSMA-CAR-NK92MI cells significantly inhibited tumor growth and exerted a more consistent killing effect than NK92MI cells.Moreover,ferroptosis is a potential mechanism through which CAR-NK92MI cells attack cancer cells,and is triggered by IFN-γ.Conclusions:p-PSMA-CAR-NK92MI cells can effectively kill CRPCPSMA+cells in vitro and in vivo.This strategy may provide additional treatment options for patients with CRPC.Liyuan Wu Fei Liu Le Yin Fangming Wang Hui Shi Qinxin Zhao Feiya Yang Dong Chen Xiying Dong Yuchun Gu Nianzeng Xing 2022Cancer Communications2022,42,8:2
13Electrodeposition of Pt-Decorated Ni(OH)_(2)/CeO_(2) Hybrid as Superior Bifunctional Electrocatalyst for Water Splitting显示文摘The facile synthesis of highly active and stable bifunctional electrocatalysts to catalyze water splitting is attractive but challenging.Herein,we report the electrodeposition of Pt-decorated Ni(OH)_(2)/CeO_(2)(PNC)hybrid as an efficient and robust bifunctional electrocatalyst.The graphite-supported PNC catalyst delivers superior hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)activities over the benchmark Pt/C and RuO_(2),respectively.For overall water electrolysis,the PNC hybrid only requires a cell voltage of 1.45V at 10mAcm-2 and sustains over 85 h at 1000mAcm^(-2).The remarkable HER/OER performances are attributed to the superhydrophilicity and multiple effects of PNC,in which Ni(OH)_(2)and CeO_(2)accelerate HER on Pt due to promoted water dissociation and strong electronic interaction,while the electron-pulling Ce cations facilitate the generation of high-valence Ni OER-active species.These results suggest the promising application of PNC for H2 production from water electrolysis.Huanhuan Liu Zhenhua Yan Xiang Chen Jinhan Li Le Zhang Fangming Liu Guilan Fan Fangyi Cheng 2020Research2020,,1:2
14JNK Suppresses Apoptosis via Phosphorylation of the Proapoptotic Bcl-2 Family Protein BAD显示文摘Chenfei Yu Yuzuru Minemoto Jiyan Zhang Jing Liu Fangming Tang Truc N. Bui Jialing Xiang Anning Lin 2004Molecular Cell2004,,3:1
15Managing performance overhead of virtual machines in cloud computing: a survey, state of the art, and future di- rections 显示文摘XU Fei LIU Fangming JIN Hai 2014Proceedings of the IEEE2014,102,1:1
16Anionic formulation of electrolyte additive towards stable electrocatalytic oxygen evolution in seawater splitting显示文摘Hydrogen generation through seawater electrolysis provides a promising,attractive pathway towards the utilization of sustainable energy.However,the catalytic activity and stability of oxygen evolution anode are severely limited by the chloride-induced corrosion and competitive oxidation reactions.In this work,we demonstrate an anion-assisted performance improvement strategy by quick and universal screening of electrolyte additive via correlating Cl-repellency with the anionic properties.Particularly,the addition of phosphate ions is found to enable highly stable alkaline seawater splitting at industry-level current density(0.5 A cm^(-2))over 500 h using transition metal hydroxides as anodic electrocatalysts.In situ experiments and theoretical simulations further reveal that the dynamic anti-corrosion behaviors of surface-adsorbed phosphate ions are attributed to three factors including repelling Cl-ions without significantly blocking OH-diffusion,preventing transition metal dissolution and acting as a local pH buffer to compensate the fast OH-consumption under high current electrolysis.Meng Yu Jinhan Li Fangming Liu Jiuding Liu Wence Xu Honglu Hu Xijie Chen Weichao Wang Fangyi Cheng 2022Journal of Energy Chemistry2022,31,9:1
17Dynamic expression of nine QTLs for tiller number detected with single segment substitution lines in rice显示文摘Guifu Liu Ruizhen Zeng Haitao Zhu Zemin Zhang Xiaohua Ding Fangming Zhao Wentao Li Guiquan Zhang 2009Theoretical and Applied Genetics2009,,3:1
18The Electrochemical Tuning of Transition Metal-Based Materials for Electrocatalysis显示文摘The development of clean and sustainable energy depends largely on electrocatalysis-driven technologies.Because of this,tremendous efforts have been devoted to the search for efficient electrocatalysts to reduce the overpotential and increase the selectivity of electrochemical reactions.Of the various approaches,electrochemical tuning is seen as a promising tech-nique to controllably tune the properties of catalytic materials under mild conditions.Based on this,this review will present representative electrochemical tuning methodologies involving insertion and conversion reactions in batteries as well as in situ electrode modulation during electrocatalysis processes.This review will first provide an introduction of electrochemi-cal tuning strategies from the perspective of reactions and devices.Subsequently,this review will present comprehensive discussions on recent advancements in the modulation of various electrocatalyst properties,including electronic structure,crystalline phase,lattice strain and dimensional size,all of which significantly impact corresponding intrinsic activity and active site exposure.This review will also highlight the merits,challenges and issues of electrochemical tuning and propose promising directions in the exploration of corresponding methods in the design and enhancement of electrocatalysts for future energy applications.Fangming Liu Le Zhang Lei Wang Fangyi Cheng 2021Electrochemical Energy Reviews2021,4,1:1
19Exogenously applied oxalic acid assists in the phytoremediation of Mn by Polygonum pubescens Blume cultivated in three Mn-contaminated soils显示文摘The current study evaluated the effects of oxalic acid(OA)application on the growth and Mn phytoremediation efficiency of Polygonum pubescens Blume cultivated in three different manganese(Mn)-contaminated soils sampled from an unexplored area(US),an explored area(ES)and a tailing area(TS)of the Ertang Mn mine,South China.The supplied levels of OA were 0(control),1(low level),3(medium level),and 9(high level)mmol/kg,referred to as CK,OA1,OA3 and OA9,respectively.The results revealed that the average water-extractable Mn concentrations US,ES and TS amended with OA increased by 214.13,363.77 and 266.85%,respectively.All OA supply levels increased plant growth and Mn concentrations in US.The low OA supply level increased plant growth in ES and TS;however,contrasting results were found for the medium and high OA supply levels.Plant Mn concentrations and total Mn increased in ES and TS in response to all OA supply levels.Total Mn in the aerial parts increased by 81.18,44.17 and 83.17%in US,ES and TS,respectively;the corresponding percentages for the whole plants were 81.53,108.98 and 77.91%,respectively.The rate of·O_(2)^(−)production and malondialdehyde(MDA)concentrations increased in response to OA amendment,especially the medium and high OA supply levels in ES and TS.In general,antioxidant enzymes might play a vital role in alleviating Mn stress in plants cultivated in US,while non-enzymatic antioxidants might be the main factor for plants cultivated in ES and TS.Kehui Liu Jie Xu Chenglong Dai Chunming Li Yi Li Jiangming Ma Fangming Yu 2021Frontiers of Environmental Science & Engineering2021,15,5:1
20Preparation and properties of graphene nanosheets–polystyrene nanocomposites via in situ emulsion polymerization显示文摘Huating Hu Xianbao Wang Jingchao Wang Li Wan Fangming Liu Han Zheng Rong Chen Chunhui Xu 2009Chemical Physics Letters2009,,4:1
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