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| 1 | Upreguiation of human telomerase reverse transcriptase mRNA expression by in vitro transfection of hepatitis B virus X gene into human hepatocarcinoma and cholangiocarcinoma cells显示文摘AIM: To study the changes of human telomerase reverse transcriptase (hTERT) mRNA expression in human hepatocarcinoma cell lines (HepG2) and cholangiocarcinoma cell lines (QBC939) after HBx gene transfection and to illustrate the significance of transcriptional regulation of hTERT gene by HBx gene in the carcinogenesis.METHODS: HepG2 and QBC939 cell lines were cultured and co-transfected with eukaryotic expression vector containing the HBx coding region and cloning vector containing enhanced green fluorescent protein (EGFP) coding sequence using lipid-mediated gene transduction technique. Thirty-six hours after transfection, EGFP expression in cells was used as the indicator of successful transfection. Flow cytometry was performed to determine the transfection efficiency.Cells were harvested and total RNA was extracted using TRIzol() reagent. The expression of hTERT mRNA in HepG2and QBC939 cell lines was assayed by reverse transcriptionpolymerase chain reaction. The expression of HBx protein in both cell lines was detected by immunocytochemical staining and Western blotting.RESULTS: Flow cytometry showed that the transfection efficiency was 46.4% in HepG2 cells and 29.6% in QBC939cells for both HBx gene expression vector and blank vector. The expression of hTERT mRNA was meaningfully increased in HepG2 and QBC939 cell lines when transfected with HBx gene expression vector compared to those transfected with OPTI-MEM medium and blank vector.Immunocytochemical staining and Western blotting revealed HBx protein expression in HepG2 and QBC939cells only when transfected with HBx gene.CONCLUSION: HBx gene transfection can upregulate the transcriptional expression of hTERT mRNA. The transactivation of hTERT gene by HBx gene is a newfound mechanism for pathogenesis of hepatocarcinomas and cholangiocarcinomas after HBV infection. | Zhen-Liang Qu Sheng-Quan Zou Nai-Qiang Cui Xian-Zhong Wu Ming-Fang Qin Di Kong Zhen-Li Zhou | 2005 | World Journal of Gastroenterology2005，11，36： | 21 |
| 2 | Modeling,Control,and Protection of Modular Multilevel Converter-based Multi-terminal HVDC Systems:A Review显示文摘Multi-terminal direct current(MTDC)grids provide the possibility of meshed interconnections between regional power systems and various renewable energy resources to boost supply reliability and economy.The modular multilevel converter(MMC)has become the basic building block for MTDC and DC grids due to its salient features,i.e.,modularity and scalability.Therefore,the MMC-based MTDC systems should be pervasively embedded into the present power system to improve system performance.However,several technical challenges hamper their practical applications and deployment,including modeling,control,and protection of the MMC-MTDC grids.This paper presents a comprehensive investigation and reference in modeling,control,and protection of the MMC-MTDC grids.A general overview of state-of-the-art modeling techniques of the MMC along with their performance in simulation analysis for MTDC applications is provided.A review of control strategies of the MMC-MTDC grids which provide AC system support is presented.State-of-the art protection techniques of the MMCMTDC systems are also investigated.Finally,the associated research challenges and trends are highlighted. | Lei Zhang Yuntao Zou Jicheng Yu Jiangchao Qin Vijay Vittal George G.Karady Di Shi Zhiwei Wang | 2017 | CSEE Journal of Power and Energy Systems2017，3，4： | 17 |
| 3 | Mathematical Simulation of Burden Distribution in COREX Melter Gasifier by Discrete Element Method显示文摘COREX process is one of the earliest industrialized smelting reduction ironmaking technology.A numerical simulation model based on discrete element method ( DEM ) has been developed to analyze the burden distribution in the melter gasifier of COREX process.The DEM considering the collisions between particles can directly reproduce the charging process.The burden trajectory , the location and the burden surface profile are analyzed in melter gasifier with a mixing charging of coal and direct reduction iron ( DRI ) at the same time.Considering the porosity of packed bed has an important effect on the gas flow distribution of melter gasifier , a method to calculate porosity has been proposed.The distribution of DRI and coal and the porosity in the radial direction are given under different charging patterns , which is necessary to judge the gas flow distribution and provide base data for further researching the melter gasifier for the next work in the future.The research results can be used to guide the operation of adjusting charging and provide important basis for optimizing the charging patterns in order to obtain the reasonable gas distribution. | LI Hai-feng , LUO Zhi-guo , ZOU Zong-shu , SUN Jun-jie , HAN Li-hao , DI Zhan-xia ( Northeastern University , Shenyang 110004 , Liaoning , China ) | 2012 | Journal of Iron and Steel Research(International)2012，19，9： | 15 |
| 4 | Robotic anterior resection of rectal cancer: technique and early outcome显示文摘 | DU Xiao-hui SHEN Di LI Rong LI Song-yan NING Ning ZHAO Yun-shan ZOU Zhen-yu LIU Na | 2013 | Chinese Medical Journal2013，，1： | 15 |
| 5 | Chromosome-scale genome assembly provides insights into the evolution and flavor synthesis of passion fruit (Passiflora edulis Sims)显示文摘Passion fruit(Passiflora edulis Sims)is an economically valuable fruit that is cultivated in tropical and subtropical regions of the world.Here,we report an~1341.7Mb chromosome-scale genome assembly of passion fruit,with 98.91%(~1327.18Mb)of the assembly assigned to nine pseudochromosomes.The genome includes 23,171 protein-coding genes,and most of the assembled sequences are repetitive sequences,with long-terminal repeats(LTRs)being the most abundant.Phylogenetic analysis revealed that passion fruit diverged after Brassicaceae and before Euphorbiaceae.Ks analysis showed that two whole-genome duplication events occurred in passion fruit at 65 MYA and 12 MYA,which may have contributed to its large genome size.An integrated analysis of genomic,transcriptomic,and metabolomic data showed that‘alpha-linolenic acid metabolism’,‘metabolic pathways’,and‘secondary metabolic pathways’were the main pathways involved in the synthesis of important volatile organic compounds(VOCs)in passion fruit,and this analysis identified some candidate genes,including GDP-fucose Transporter 1-like,Tetratricopeptide repeat protein 33,protein NETWORKED 4B isoform X1,and Golgin Subfamily A member 6-like protein 22.In addition,we identified 13 important gene families in fatty acid pathways and eight important gene families in terpene pathways.Gene family analysis showed that the ACX,ADH,ALDH,and HPL gene families,especially ACX13/14/15/20,ADH13/26/33,ALDH1/4/21,and HPL4/6,were the key genes for ester synthesis,while the TPS gene family,especially PeTPS2/3/4/24,was the key gene family for terpene synthesis.This work provides insights into genome evolution and flavor trait biology and offers valuable resources for the improved cultivation of passion fruit. | Zhiqiang Xia Dongmei Huang Shengkui Zhang Wenquan Wang Funing Ma Bin Wu Yi Xu Bingqiang Xu Di Chen Meiling Zou Huanyu Xu Xincheng Zhou Rulin Zhan Shun Song | 2021 | Horticulture Research2021，8，1： | 15 |
| 6 | Late recurrent high degree atrioventricular block after percutaneous closure of a perimembranous ventricular septal defect显示文摘高度心房与心室的块(HDAVB ) 是 perimembranous 的 transcatheter 闭合的严肃的复杂并发症室的氏族的缺点(PMVSD ) 。我们报导开发了短暂 HDAVB 的一个病人在在过程以后的 PMVSD 和有的周期性的 HDAVB 42 月的 transcathter 闭合以后的七天。 | YANG Rong SHENG Yan-hui CAO Ke-jiang ZOU Jiang-gang ZHANG Hao HOU Xiao-feng XU Di YONG Yong-hong ZHOU Lei KONG Xiang-qing | 2011 | Chinese Medical Journal2011，，19： | 8 |
| 7 | A cyclodextrin-based nanoformulation achieves co-delivery of ginsenoside Rg3 and quercetin for chemo-immunotherapy in colorectal cancer显示文摘The immune checkpoint blockade therapy has profoundly revolutionized the field of cancer immunotherapy. However, despite great promise for a variety of cancers, the efficacy of immune checkpoint inhibitors is still low in colorectal cancer(CRC). This is mainly due to the immunosuppressive feature of the tumor microenvironment(TME). Emerging evidence reveals that certain chemotherapeutic drugs induce immunogenic cell death(ICD), demonstrating great potential for remodeling the immunosuppressive TME. In this study, the potential of ginsenoside Rg3(Rg3) as an ICD inducer against CRC cells was confirmed using in vitro and in vivo experimental approaches. The ICD efficacy of Rg3 could be significantly enhanced by quercetin(QTN) that elicited reactive oxygen species(ROS). To amelioratein vivo delivery barriers associated with chemotherapeutic drugs, a folate(FA)-targeted polyethylene glycol(PEG)-modified amphiphilic cyclodextrin nanoparticle(NP) was developed for co-encapsulation of Rg3 and QTN. The resultant nanoformulation(CD-PEG-FA.Rg3.QTN) significantly prolonged blood circulation and enhanced tumor targeting in an orthotopic CRC mouse model, resulting in the conversion of immunosuppressive TME. Furthermore, the CD-PEG-FA.Rg3.QTN achieved significantly longer survival of animals in combination with Anti-PD-L1. The study provides a promising strategy for the treatment of CRC. | Dandan Sun Yifang Zou Liu Song Shulan Han Hao Yang Di Chu Yun Dai Jie Ma Caitriona M.O’Driscoll Zhuo Yu Jianfeng Guo | 2022 | Acta Pharmaceutica Sinica B2022，12，1： | 8 |
| 8 | Electrical and thermal transport behaviours of high-entropy perovskite thermoelectric oxides显示文摘Oxide-based ceramics could be promising thermoelectric materials because of their thermal and chemical stability at high temperature.However,their mediocre electrical conductivity or high thermal conductivity is still a challenge for the use in commercial devices.Here,we report significantly suppressed thermal conductivity in SrTiO_(3)-based thermoelectric ceramics via high-entropy strategy for the first time,and optimized electrical conductivity by defect engineering.In high-entropy(Ca_(0.2)Sr_(0.2)Ba_(0.2)Pb_(0.2)La_(0.2))TiO_(3)bulks,the minimum thermal conductivity can be 1.17 W/(m·K)at 923 K,which should be ascribed to the large lattice distortion and the huge mass fluctuation effect.The power factor can reach about 295μW/(m·K^(2))by inducing oxygen vacancies.Finally,the ZT value of 0.2 can be realized at 873 K in this bulk sample.This approach proposed a new concept of high entropy into thermoelectric oxides,which could be generalized for designing high-performance thermoelectric oxides with low thermal conductivity. | Yunpeng Zheng Mingchu Zou Wenyu Zhang Di Yi Jinle Lan Ce-Wen Nan Yuan-Hua Lin | 2021 | Journal of Advanced Ceramics2021，10，2： | 5 |
| 9 | The pathologic relevance of metabolic criteria in patients with biopsy-proven nonalcoholic fatty liver disease and metabolic dysfunction associated fatty liver disease:A multicenter cross-sectional study in China显示文摘Background:This study aimed to assess the association between metabolic syndrome(Met S)and severity of nonalcoholic fatty liver disease(NAFLD),and to discuss the pathological relevance of the diagnostic criteria in metabolic(dysfunction)associated fatty liver disease(MAFLD).Methods:This was a multicenter,cross-sectional study.Patients with NAFLD confirmed by liver biopsy were enrolled between July 2016 and December 2018 from 14 centers across the mainland of China.Anthropometric and metabolic parameters were collected to assess the pathological relevance.Results:Of 246 enrolled patients with NAFLD,150(61.0%)had the comorbidity of Met S.With the increase of metabolic components,the proportions of nonalcoholic steatohepatitis(NASH)and significant fibrosis were notably increased.The comorbid three metabolic components significantly increased the proportion of NASH,and further increase of metabolic components did not increase the proportion of NASH.However,the increase of metabolic components was parallel to the increase of the proportion of liver fibrosis.Among the 246 patients,239(97.2%)met the diagnostic criteria of MAFLD.Although non-MAFLD patients had less NASH,they present with similar proportion of significant fibrosis and cirrhosis.In the diagnostic criteria of MAFLD,BMI≥23 kg/m2 was related to NASH(Mantel-Haenszel Common Estimate OR:2.975;95%CI:1.037–8.538;P=0.043),and T2 DM was related to significant fibrosis(Mantel-Haenszel Common Estimate OR:2.531;95%CI:1.388–4.613;P=0.002).The homeostasis model assessment of insulin resistance(HOMA-IR)≥2.5 was the most significant factor for NASH(OR:4.100;95%CI:1.772–9.487;P=0.001)and significant factor for liver fibrosis(OR:2.947;95%CI:1.398–6.210;P=0.004)after the adjustments of the BMI and diabetes.Conclusions:Metabolic dysregulations are important risk factors in NAFLD progression.The insulin resistance status may play a predominant role in the progression in MAFLD patients. | Rui-Xu Yang Zheng-Sheng Zou Bi-Hui Zhong Hong Deng Fang-Ping He Jun-Ping Shi Cai-Yan Zhao Yu-Qiang Mi Yong-Jian Zhou Fu-Sheng Di Rui-Dan Zheng Qin Du Jia Shang Branko Popovic Jin Jun Chen Jian-Gao Fan | 2021 | Hepatobiliary & Pancreatic Diseases International2021，20，5： | 5 |
| 10 | Broadband mid-infrared molecular spectroscopy based on passive coherent optical–optical modulated frequency combs显示文摘Mid-infrared dual-comb spectroscopy is of great interest owing to the strong spectroscopic features of trace gases,biological molecules,and solid matter with higher resolution,accuracy,and acquisition speed. However,the prerequisite of achieving high coherence of optical sources with the use of bulk sophisticated control systems prevents their widespread use in field applications. Here we generate a highly mutually coherent dual midinfrared comb spectrometer based on the optical–optical modulation of a continuous-wave (CW) interband or quantum cascade laser. Mutual coherence was passively achieved without post-data processes or active carrier envelope phase-locking processes. The center wavelength of the generated mid-infrared frequency combs can be flexibly tuned by adjusting the wavelength of the CW seeds. The parallel detection of multiple molecular species,including C_(2)H_(2),CH_(4),H_(2)CO,H_(2)S,COS,and H_(2)O,was achieved. This technique provides a stable and robust dual-comb spectrometer that will find nonlaboratory applications including open-path atmospheric gas sensing,industrial process monitoring,and combustion. | ZHONG ZUO CHENGLIN GU DAOWANG PENG XING ZOU YUANFENG DI LIAN ZHOU DAPING LUO YANG LIU WENXUE LI | 2021 | Photonics Research2021，9，7： | 3 |
| 11 | 冷冻干燥更适合土壤活性氮气体(HONO和NO)排放的研究?显示文摘土壤活性氮气体(HONO和NO)排放是全球氮循环的关键过程,对大气化学具有重要意义。本研究采集了农田,草地和森林三种不同土地利用类型的土壤样品,分别对样品进行了风干,冻干和烘干三种处理,并与未处理的新鲜土壤进行比较研究。结果表明,三种类型土壤的冻干土与新鲜土样品的p H值差异最小。总的来说,三种干燥处理都能提高新鲜土壤NH4+-N, NO3--N和溶解态有机N的含量。与新鲜土壤相比,冻干土壤HONO和NO的最大排放通量及完整干湿交替循环的总排放量没有显著增加,而风干和烘干土壤显著增加。因此,冷冻干燥方法可能更适合涉及土壤活性氮气体排放通量的研究。这一发现的重要启示是,我们需要慎重评价以往基于不同干燥方法得到的有关陆地–大气界面活性氮交换过程和生物地球化学氮循环机制的认识。 | WU Dianming DENG Lingling LIU Yanzhuo XI Di ZOU Huilan WANG Ruhai SHA Zhimin PAN Yuepeng HOU Lijun LIU Min | 2020 | Atmospheric and Oceanic Science Letters2020，13，3： | 3 |
| 12 | A Dose-response Meta-analysis of Egg Intake and Breast Cancer Risk显示文摘Aim Eggs are one of the most nutritious foods in nature,but there is no unified conclusion about the association between egg intake and breast cancer risk.Methods The PubMed and Web of Science databases for the literature on egg intake and breast cancer risk were searched for papers published during the last 10 years.These were then filtered according to the inclusion and exclusion criteria.Stata16.0 software was applied to perform a meta-analysis,the generalized least squares method and constrained cubic spline model were used to assess the dose-response trends between egg intake and breast cancer risk.Results A total of 9 articles were included:6 case control studies and 3 cohort studies.The Newcastle-Ottawa scale(NOS)values of the included articles were all≥6 points.The pooled relative risks(RR)of egg intake and breast cancer risk was 0.91(95%CI:0.69-1.19).The dose-response analysis showed a linear trend for egg intake and breast cancer risk(P=0.689).With every 10 g/day increase in egg intake,the incidence of breast cancer increased by 2%(RR=1.02,95%CI:0.99-1.05).However,these results were not statistically significant.Conclusion This meta-analysis found no significant association between egg intake and breast cancer. | Peng Wei Ma Fei Fei Feng Zi Ang Shi Ke Di Xu Yuan Lin Zou Yan Li Wang Si Qi Ning Chun Hua Song | 2021 | Journal of Nutritional Oncology2021，6，2： | 3 |
| 13 | Doppler velocimeter based on dual-comb absorption spectroscopy显示文摘The determination of airflow parameters is essential to the research of critical information on environment monitoring,chemical kinetics,and aerodynamic and propulsion applications.During the past few decades,tunable diode laser absorption spectroscopy has become a common and efficient tool for the flow velocity measurement based on the Doppler shift of the absorption line.Dual-comb absorption spectroscopy(DCAS),as a state-of-theart Fourier-transform broadband spectroscopic technique,not only can detect multiple trace molecules in parallel but also can extract Doppler shifts to derive the flow velocity through the analysis of dozens of molecular absorption lines simultaneously with high precision.Here,we report a proof-of-principle demonstration of the velocity measurements of acetylene at various flow velocities by means of a high-resolution and broadband DCAS.Mode-resolved Doppler-shifted rotational-vibrational lines in the P branch of acetylene molecules are obtained.A model for multiline Doppler frequency determination is investigated and experimentally verified.The flow velocity measurements with a measuring uncertainty down to the submeter per second over the range from 8.7 m/s to 44.8 m/s at an effective time resolution of 1 s and a measuring uncertainty of 1.97 m/s at 0.1 s are demonstrated.With broadband mid-infrared frequency combs covering atmospheric transmission windows,the open-path measurement for monitoring diffusion of the weak pollutant source would be realized. | CHENGLIN GU XING ZOU ZHONG ZUO DAOWANG PENG YUANFENG DI YANG LIU DAPING LUO WENXUE LI | 2020 | Photonics Research2020，8，12： | 2 |
| 14 | LIM domain proteins Pinch1/2 regulate chondrogenesis and bone mass in mice显示文摘The LIM domain-containing proteins Pinch1/2 regulate integrin activation and cell–extracellular matrix interaction and adhesion.Here,we report that deleting Pinch1 in limb mesenchymal stem cells(MSCs)and Pinch2 globally(double knockout;dKO)in mice causes severe chondrodysplasia,while single mutant mice do not display marked defects.Pinch deletion decreases chondrocyte proliferation,accelerates cell differentiation and disrupts column formation.Pinch loss drastically reduces Smad2/3 protein expression in proliferative zone(PZ)chondrocytes and increases Runx2 and Col10a1 expression in both PZ and hypertrophic zone(HZ)chondrocytes.Pinch loss increases sclerostin and Rankl expression in HZ chondrocytes,reduces bone formation,and increases bone resorption,leading to low bone mass.In vitro studies revealed that Pinch1 and Smad2/3 colocalize in the nuclei of chondrocytes.Through its C-terminal region,Pinch1 interacts with Smad2/3 proteins.Pinch loss increases Smad2/3 ubiquitination and degradation in primary bone marrow stromal cells(BMSCs).Pinch loss reduces TGF-β-induced Smad2/3 phosphorylation and nuclear localization in primary BMSCs.Interestingly,compared to those from single mutant mice,BMSCs from dKO mice express dramatically lower protein levels ofβ-catenin and Yap1/Taz and display reduced osteogenic but increased adipogenic differentiation capacity.Finally,ablating Pinch1 in chondrocytes and Pinch2 globally causes severe osteopenia with subtle limb shortening.Collectively,our findings demonstrate critical roles for Pinch1/2 and a functional redundancy of both factors in the control of chondrogenesis and bone mass through distinct mechanisms. | Yiming Lei Xuekun Fu Pengyu Li Sixiong Lin Qinnan Yan Yumei Lai Xin Liu Yishu Wang Xiaochun Bai Chuanju Liu Di Chen Xuenong Zou Xu Cao Huiling Cao Guozhi Xiao | 2020 | Bone Research2020，8，4： | 2 |
| 15 | CD4+T cells memorize obesity and promote weight regain显示文摘Body weight regain often causes failure of obesity therapies while the underlying mechanism remains largely unknown.In this study,we report that immune cells,especially CD4+T cells,mediate the‘memory’of previous obese status.In a weight gain-loss-regain model,we found that C57BL/6J mice with an obesity history showed a much faster rate of body weight regain.This obesity memory could last for at least 2 months after previously obese mice were kept at the same body weight as non-obese mice.Surprisingly,such obesity memory was abrogated by dexamethasone treatment,whereas immunodeficient Rag1−/−and H2A−/−mice failed to establish such memory.Rag1−/−mice repossessed the obesity memory when immune cells or CD4+T cells isolated from previously obese mice were transferred.Furthermore,depletion of CD4+T cells led to obesity memory ablation.Taken together,we conclude that CD4+T cells mediate obesity memory and promote weight regain. | Jianghuan Zou Beibei Lai Mingzhu Zheng Qin Chen Shujun Jiang Anying Song Zan Huang Peiliang Shi Xin Tu Di Wang Linrong Lu Zhaoyu Lin Xiang Gao | 2018 | Cellular & Molecular Immunology2018，15，6： | 2 |
| 16 | Curriculum of Interventional Radiology for Clinical Medical Undergraduates显示文摘 | Zhong-Bao Tan Huan-Jing Wang Rong Zou Xue-Qun Mao Jian Zhang Qing-Qing Wang Zhen-Hai Di Peng-Hua Lyu | 2017 | Chinese Medical Journal2017，，19： | 2 |
| 17 | Electronic structure engineering in organic thermoelectric materials显示文摘Electronic structures, which play a key role in determining electrical and optical properties of π-conjugated organic materials, have attracted tremendous interest. Efficient thermoelectric (TE) conversion of organic materials has rigorous requirements on electronic structures. Recently, the rational design and precise modulation of electronic structures have exhibited great potential in exploring state-of-the-art organic TE materials. This review focuses on the regulation of electronic structures of organic materials toward efficient TE conversion. First, we present the basic knowledge regarding electronic structures and the requirements for efficient TE conversion of organic materials, followed by a brief introduction of commonly used methods for electronic structure characterization. Next, we highlight the key strategies of electronic structure engineering for high-performance organic TE materials. Finally, an overview of the electronic structure engineering of organic TE materials, along with current challenges and future research directions, are provided. | Xiaojuan Dai Qing Meng Fengjiao Zhang Ye Zou Chong-an Di Daoben Zhu | 2021 | Journal of Energy Chemistry2021，30，11： | 2 |
| 18 | Post-mortem tissue proteomics reveals the pathogenesis of multi-organ injuries of COVID-19显示文摘Multi-organ injuries are a major complication of severe Coronavirus Disease 2019(COVID-19).However,its pathogenesis is barely understood.Herein;we profile host responses to fatal SARS-CoV-2 infection by performing quantitative proteomics of 19 post-mortem samples of 8 different organs or tissues,including lungs,liver,intestine,kidney;spleen,brain,heart and muscle,from 3 deceased COVID-19 victims during the first wave of the pandemic(Supplementary Fig.S1A and B,Tables SI-S3). | Yang Qiu Di Wu Wanshan Ning Jiqian Xu Ting Shu Muhan Huang Rong Chen Jiancheng Zhang Yang Han Qingyu Yang Ruiting Li Xiaobo Yang Yaxin Wang Xiaojing Zou Shangwen Pan Chaolin Huang Yu Xue You Shang Xi Zhou | 2021 | National Science Review2021，8，11： | 1 |
| 19 | Calorimetric study on two biphenyl liquid crystals显示文摘 | Zou G L Tan Z C Di Y Y | | 0，，1： | 1 |
| 20 | Reinforced nanohydroxyapatite/ polyamide66 scaffolds by chitosan coating for bone tissue engineer- ing 显示文摘 | Huang Di Zuo Yi Zou Qin | 2012 | Journal of Biomedical Materials Research Part B : Applied Biomaterials2012，100，1： | 1 |
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