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| 1 | Human ESC-derived expandable hepatic organoids enable therapeutic liver repopulation and pathophysiological modeling of alcoholic liver injury显示文摘We report the generation of human ESC-derived,expandable hepatic organoids(hEHOs)using our newly established method with wholly defined(serum-free,feeder free)media.The hEHOs stably maintain phenotypic features of bipotential liver stem/progenitor cells that can differentiate into functional hepatocytes or cholangiocytes.The hEHOs can expand for 20 passages enabling large scale expansion to cell numbers requisite for industry or clinical programs.The cells from hEHOs display remarkable repopulation capacity in injured livers of FRG mice following transplantation,and they differentiate in vivo into mature hepatocytes.If implanted into the epididymal fat pads of immune-deficient mice,they do not generate non-hepatic lineages and have no tendency to form teratomas.We further develop a derivative model by incorporating human fetal liver mesenchymal cells(hFLMCs)into the hEHOs,referred to as hFLMC/hEHO,which can model alcoholic liver disease-associated pathophysiologic changes,including oxidative stress generation,steatosis,inflammatory mediators release and fibrosis,under ethanol treatment.Our work demonstrates that the hEHOs have considerable potential to be a novel,ex vivo pathophysiological model for studying alcoholic liver disease as well as a promising cellular source for treating human liver diseases. | Shuyong Wang Xuan Wang Zuolong Tan Yuxin Su Juan Liu Mingyang Chang Fang Yan Jie Chen Tao Chen Chuanjiang Li Jie Hu Yunfang Wang | 2019 | Cell Research2019，29，12： | 20 |
| 2 | Full-thickness tissue engineered skin constructed with autogenic bone marrow mesenchymal stem cells显示文摘To explore the feasibility of repairing clinical cutaneous deficiency, autogenic bone marrow mesen-chymal stem cells (BMSCs) were isolated and differentiated into epidermal cells and fibroblasts in vitro supplemented with different inducing factors and biomaterials to construct functional tissue- engineered skin. The results showed that after 72 h induction, BMSCs displayed morphologic changes such as typical epidermal cell arrangement, from spindle shape to round or oval; tonofibrils, melano-somes and keratohyaline granules were observed under a transmission electronic microscope. The differentiated cells expressed epidermal stem cell surface marker CK19 (59.66% ± 4.2%) and epidermal cells differentiation marker CK10. In addition, the induced epidermal cells acquired the anti-radiation capacity featured by lowered apoptosis following exposure to UVB. On the other hand, the collagen microfibrils deposition was noticed under a transmission electronic microscope after differentiating into dermis fibroblasts; RT-PCR identified collagen type I mRNA expression in differentiated cells; radioimmunoassay detected the secretion of interleukin-6 (IL-6) and interleukin-8 (IL-8) (up to 115.06 pg/mL and 0.84 ng/mL, respectively). Further in vivo implanting BMSCs with scaffold material short-ened skin wound repair significantly. In one word, autogenic BMSCs have the potential to differentiate into epidermal cells and fibroblasts in vitro, and show clinical feasibility acting as epidermis-like and dermis-like seed cells in skin engineering. | HE LiJuan, NAN Xue, WANG YunFang, GUAN LiDong, BAI CiXian, SHI ShuangShuang, YUAN HongFeng, CHEN Lin, LIU DaQing & PEI XueTao Laboratory of Stem Cells and Regenerative Medicine, Institute of Blood Transfusion, Academy of Military Medical Sciences, Beijing 100850, China | 2007 | Science China(Life Sciences)2007，50，4： | 16 |
| 3 | Seeker optimization algorithm:a novel stochastic search algorithm for global numerical optimization显示文摘A novel heuristic search algorithm called seeker optimization algorithm(SOA) is proposed for the real-parameter optimization.The proposed SOA is based on simulating the act of human searching.In the SOA,search direction is based on empirical gradients by evaluating the response to the position changes,while step length is based on uncertainty reasoning by using a simple fuzzy rule.The effectiveness of the SOA is evaluated by using a challenging set of typically complex functions in comparison to differential evolution(DE) and three modified particle swarm optimization(PSO) algorithms.The simulation results show that the performance of the SOA is superior or comparable to that of the other algorithms. | Chaohua Dai Weirong Chen Yonghua Song Yunfang Zhu | 2010 | Journal of Systems Engineering and Electronics2010，21，2： | 13 |
| 4 | Identification and characterization of an ancient class of small RNAs enriched in serum associating with active infection显示文摘 | Yunfang Zhang Ying Zhang Junchao Shi He Zhang Zhonghong Cao Xuan Gao Wanhua Ren Yunna Ning Lina Ning Yujing Cao Yongchang Chen Weizhi Ji Zi-jiang Chen Qi Chen Enkui Duan | 2014 | Journal of Molecular Cell Biology2014，8，2： | 10 |
| 5 | Interleukin-12 Gene Modification Exerts Anti-Tumor Effects on Murine Mammary Sarcoma Cell Line in vivo显示文摘The aim of this project was to investigate the anti-tumor effect of an IL-12 gene modified mammary sarcoma murine cell line, EMT6/IL-12, in mouse model. In this study, we transfected the recombinant eukaryotic plasmid encoding IL-12 gene (pcDNA6-p70) into EMT6 and obtained the IL-12 expressing EMT6/IL-12 cell line. Then EMT6/IL-12 cells were s.c. inoculated into mice. The recombinant vector treatment group was set as control. We then evaluated the inhibition of tumor growth and the anti-tumor immunity function in vivo such as cytotoxicity, proliferation of splenocytes and serial IFN-γ level. And the percentage of IFN-γ producing CD4 or CD8 T cells among splenocytes was also analyzed in tumor bearing mice. Our results showed that the growth of tumors was obviously inhibited in EMT6/IL-12 group. Moreover, the capacities of anti-tumor immunity were all significantly higher in EMT6/IL-12 group compared to the controls. The results of the present investigation support the notion that EMT6/IL-12 could exert gene therapy in tumor model by improving the anti-tumor cellular immunity. | Dan Li Hong Yu Tengfei Xu Jinghua Li Yunfang Sun Wenqing Zhang | 2008 | Cellular & Molecular Immunology2008，5，3： | 9 |
| 6 | Development of mouse preimplantation embryos in space显示文摘The development o f life beyond planet Earth is a long-standing quest of the human race,but whether normal mammalian embryonic development can occur in space is still unclear.Here,we show unequivocally that preimplantation mouse embryos can develop in space;but the rate of blastocyst formation and blastocyst quality are compromised.Additionally,the cells in the embryo contain severe DNA damage,while the genome of the blastocysts developed in space is globally hypomethylated with a unique set of differentially methylated regions.The developmental defects,DNA damage and epigenetic abnormalities can be largely mimicked by the treatment with ground-based low-dose radiation.However,the exposure to simulated microgravity alone does not cause major disruptions of embryonic development,indicating that radiation is the main cause for the developmental defects.This work advances the understanding of embryonic development in space and reveals long-term extreme low-dose radiation as a hazardous factor for mammalian reproduction. | Xiaohua Lei Yujing Cao Baohua Ma Yunfang Zhang Lina Ning Jingjing Qian Liwen Zhang Yongcun Qu Tao Zhang Dehong Li Qi Chen Junchao Shi Xudong Zhang Chiyuan Ma Ying Zhang Enkui Duan | 2020 | National Science Review2020，7，9： | 8 |
| 7 | Characterizing Spatial Patterns of Precipitation Based on Corrected TRMM_3B_(43) Data over the Mid Tianshan Mountains of China显示文摘The poor distribution of meteorological stations results in a limited understanding of the precipitation pattern in the Tianshan Mountains. The spatial patterns of precipitation over the mid Tianshan Mountains were characterized based on the TRMM 3B43 monthly precipitation data. By comparing satellite estimates with observed data, it shows that TRMM 3B43 data underestimate the precipitation in mountain region. Regression models were developed to improve the TRMM 3B43 data, using geographic location and topographic variables extracted from DEM using GIS technology. The explained variance in observed precipitation was improved from 64% (from TRMM 3B43 products alone) to over 82% and the bias reduced by over 30% when location and topographic variables were added. We recalculated all the TRMM 3B43 monthly precipitation grids for the period 1998 to 2009 using the best regression models, and then studied the variation patterns of precipitation over the mid Tianshan Mountains. The results are well explained by a general understanding of the patterns of precipitation and orographic effects. This indicated that the Tianshan Mountains strongly influences the amount and distribution of precipitation in the region. This is highlighted by the confinement of the precipitation maxima to the windward (northern slope). And complex vertical changes in the provenance and distribution of precipitation, like that a negative increasing rate of precipitation in the vertical direction exists in the north but does not in south. The results have also revealed large gradients and different patterns in seasonal precipitation that are not simply related to elevation, the distribution of precipitation may also be affected by other seasonal factors such as the sources of moist air, wind direction and temperature. | JI Xuan CHEN Yunfang | 2012 | Journal of Mountain Science2012，9，5： | 8 |
| 8 | Effect of quercetin-containing preservatives and modified atmospheric packaging on the production of biogenic amines in Pacific white shrimp(Litopenaeus vannamei)显示文摘To investigate the productions of biogenic amines(BAs)in Pacific white shrimp treated by compound preservatives(P,0.05 g/L quercetin,0.025 g/L 4-hexylresorcinol,and 0.025 g/L cinnamic acid)in combination with modified atmosphere packaging(M,80% CO_(2)/10% O_(2)/10% N_(2)),four groups of samples treated with or without preservatives and alone or in combination with modified atmosphere packaging(A,A+P,M,M+P)during storage at 4℃for 12 days were analyzed.Most BAs increased in all samples,especially,putrescine and cadaverine.MAP inhibited the increase of most BAs(except for tyramine)and psychrotrophic bacterial counts.The inhibitory effect of the compound preservatives on bacterial growth and BAs was limited in aerobically-and MAP-stored samples,but they retarded the production of tyramine,which accumulated more rapidly in MAP.Lowest total BAs and bacterial counts were found in sample M+P(78.3 mg/kg and 5.82 log cfu/g,day 12),indicating that the combined treatment of the preservatives and MAP could reduce the risk of disorders caused by BAs. | Yunfang Qian Shengping Yang Jing-xin Ye Jing Xie | 2018 | Aquaculture and Fisheries2018，3，6： | 7 |
| 9 | Authentic compound-free strategy for simultaneous determination of primary coumarins in Peucedani Radix using offline high performance liquid chromatography–nuclear magnetic resonance spectroscopy–tandem mass spectrometry显示文摘Herein, a strategy is proposed for the simultaneous determination of primary coumarins in Peucedani Radix(Chinese name: Qianhu). The methodology consists of three consecutive steps: 1) Semi-preparative LC in combination with a home-made automated fraction collection module to fragment the universal metabolome standard into ten fractions(Frs. I–X); 2) LC–accurate MS/MS and quantitative1 H NMR spectroscopy conducted in parallel to acquire the qualitative and quantitative data of each fraction; 3) Robust identification and quantification of components by use of LC coupled to multiple reaction monitoring. In this final step, the most significant fractions(Frs. III–X) were pooled to serve as the pseudo-mixed standard solution. Meticulous online parameter optimization was performed to obtain the optimal parameters, including ion transitions and collision energies. Concerns were particularly paid onto pursuing the parameters being capable of monitoring regiospecific isomers, notably praeruptorin E vs. 3′-isovaleryl-4′-angeloylkhellactone. The quantitative performance of the method was validated according to diverse assays. Eleven primary coumarins(1–11) were unambiguously identified and absolutely quantified, even though no external reference compound was used. Above all, the integrated strategy not only provides a feasible pipeline for the quality assessment of Peucedani Radix, but more importantly, shows the potential for authentic compound-free quantitative evaluation of traditional Chinese medicines. | Yao Liu Qingqing Song Wenjing Liu Peng Li Jun Li Yunfang Zhao Liang Zhang Pengfei Tu Yitao Wang Yuelin Song | 2018 | Acta Pharmaceutica Sinica B2018，8，4： | 6 |
| 10 | Influence of surfactants on the morphology and photocatalytic activity of Bi_2WO_6 by hydrothermal synthesis显示文摘The flower-like microsphere Bi2WO6 with an average diameter of 2.5 μm is synthesized by a simple hydrothermal method in the presence of surfactant sodium dodecyl sulfate (SDS) or polyvinylpyrrolidone (PVP).The crystalline phase,compositions,morphology,microstructure,surface area and band gap energy of the Bi2WO6 are characterized by X-ray diffraction,X-ray energy-dispersive spectrum,scanning electron microscopy,transmission electron microscopy and absorption spectra.It is found that surfactant has a significant influence on the microstructure and properties of the samples.The surfactant SDS enhances the surface area and photocatalytic activity of Bi2WO6,while the surfactant PVP has an opposite effect.Under Xe lamp irradiation,the Bi2WO6 sample prepared in the presence of SDS can degrade dye Rhodamine B (RhB) effectively. | HUANG Yi,WU JiHuai,HUANG MiaoLiang,LIN JianMing & HUANG YunFang Engineering Research Center of Environment-Friendly Functional Materials,Ministry of Education Institute of Materials Physical Chemistry,Huaqiao University,Quanzhou 362021,China | 2011 | Science China Chemistry2011，54，1： | 6 |
| 11 | In vitro differentiation of human adipose-derived mesenchymal stem cells into endothelial-like cells显示文摘The neovascularization of ischemic tis- sue is a crucial initial step for the functional rehabili- tation and wound healing. However, the short of seed cell candidate for the foundation of vascular network is still a big issue. Human adipose tissue derived mesenchymal stem cells (hADSCs), which possess multilineage potential, are capable of adipogenic, osteogenic, and chondrogenic differentiation. We examined whether this kind of stem cells could dif- ferentiate into endothelial-like cells and participate in blood vessel formation, and whether they could be used as an ideal cell source for therapeutic angio- genesis in ischemic diseases or vascularization of tissue constructs. The results showed that hADSCs, grown under appropriately induced conditions, dis- played characteristics similar to those of vessel en- dothelium. The differentiated cells expressed endo- thelial cell markers CD34 and vWF, and had high metabolism of acetylated low-density lipoprotein and prostacyclin. In addition, the induced cells were able to form tube-like structures when cultured on matrigel. Our data indicated that induced hADSCs could ex- hibit characteristics of endothelial cells. Therefore, these cells, as a source of human endothelial cells, may find many applications in such realms as engi- neering blood vessels, endothelial cell transplantation for myocardial regeneration, and induction of angio- genesis for treatment of regional ischemia. | GUAN Lidong LI Shaoqing WANG Yunfang YUE Huimin LIU Daqing HE Lijuan BAI Cixian YAN Fang NAN Xue SHI Shuangshuang PEI Xuetao | 2006 | Chinese Science Bulletin2006，51，15： | 6 |
| 12 | Barriers and countermeasures in developing traditional Chinese medicine in Europe显示文摘繁体中文药(TCM ) 是汉语的唯一的文化财富之一;它在中国代表一个重要特征和保健原因的突出的优点。在这份报纸的数据是 fromWorld 健康组织,统计的中国局,中国知识基础结构,和 PubMed。在最近的年里, TCM 在欧洲建立了一个稳固的基础,它在立法,教育,研究,和国际交换做了大迈进,并且在大陆享受了一个广阔发展空格。现在, TCM 在欧洲正在拥抱崭新的发展机会。同时,生硬国际比赛形成严重威胁到瓷器 TCM 工业。与以方法的多重文化、法律、机构的挑战,以及才能缺乏, TCM 现在在欧洲正在面对许多困难。充分准备并且制定抓住机会的活跃、精力旺盛的步,我们应该关于在欧洲妨碍 TCM 开发的严肃的挑战有一幅清楚的图画。在海外市场的 TCM 发展从一项自发的贸易活动变了进政府领导并且由多重股东参予了的国家策略。我们应该在象 TCM 治疗,保健,教育,研究,文化,和工业开发那样的领域里做系统、全面、持续的推。最终的目标是把 TCM 带到全球市场并且允许他们在与现代医学一起保卫公共健康起一个作用。 | Yunfang Liu Zhiping Yang Jing Cheng Daiming Fan | 2016 | Frontiers of Medicine2016，10，3： | 4 |
| 13 | Assisting Bi_(2)MoO_(6) microspheres with phenolic resin-based ACSs as attractive tailor-made supporter for highly-efficient photocatalytic CO_(2) reduction显示文摘It is rather essential to design glorious system with high CO_(2) adsorption capacity and electron migration efficiency for improving selective and effective CO_(2) reduction into solar fuels.Here,as-synthesized phenolic resin spheres via suspension polymerization were carbonized and activated by water vapor to obtain activated carbon spheres(ACSs).Subsequently,Bi_(2)MoO_(6)/ACSs were prepared via hydrothermal-impregnated method.The systematical characterizations of samples,including XRD,XPS,SEM,EDX,DRS,BET,PL,CO_(2) adsorption isotherm,EIS and transient photocurrent,were analyzed.The results clearly demonstrated that Bi_(2)MoO_(6) with suitable oxidation reduction potentials and bandgap and ACSs with admirable CO_(2) adsorption and electrical conductivity not only enhanced separation efficiency of photoindued electron-hole pair,but also displayed as 1.8 times CO_(2) reduction activity to CO as single Bi_(2)MoO_(6) sample under Xe-lamp irradiation.Finally,a concerned photocatalytic CO_(2) reduction mechanism was proposed and investigated.Our findings should provide innovative guidance for designing a series of photocatalytic CO_(2) reduction materials with highly efficient and selective ability. | Xiaochao Zhang Guangmin Ren Changming Zhang Jinbo Xue Qiang Zhao Rui Li Yunfang Wang Caimei Fan | 2021 | Green Energy & Environment2021，6，5： | 4 |
| 14 | Halide Homogenization for High-Performance Blue Perovskite Electroluminescence显示文摘Metal halide perovskite light-emitting diodes(LEDs)have achieved great progress in recent years.However,bright and spectrally stable blue perovskite LED remains a significant challenge.Three-dimensional mixed-halide perovskites have potential to achieve high brightness electroluminescence,but their emission spectra are unstable as a result of halide phase separation.Here,we reveal that there is already heterogeneous distribution of halides in the as-deposited perovskite films,which can trace back to the nonuniform mixture of halides in the precursors.By simply introducing cationic surfactants to improve the homogeneity of the halides in the precursor solution,we can overcome the phase segregation issue and obtain spectrally stable single-phase blueemitting perovskites.We demonstrate efficient blue perovskite LEDs with high brightness,e.g.,luminous efficacy of 4.7,2.9,and 0.4 lmW^(-1) and luminance of over 37,000,9,300,and 1,300 cdm^(-2) for sky blue,blue,and deep blue with Commission Internationale de l’Eclairage(CIE)coordinates of(0.068,0.268),(0.091,0.165),and(0.129,0.061),respectively,suggesting real promise of perovskites for LED applications. | Lu Cheng Chang Yi Yunfang Tong Lin Zhu Gunnar Kusch Xiaoyu Wang Xinjiang Wang Tao Jiang Hao Zhang Ju Zhang Chen Xue Hong Chen Wenjie Xu Dawei Liu Rachel AOliver Richard HFriend Lijun Zhang Nana Wang Wei Huang Jianpu Wang | 2020 | Research2020，，1： | 4 |
| 15 | tsRNAs: new players in mammalian retrotransposon control显示文摘 | Yunfang Zhang Junchao Shi Qi Chen | 2017 | Cell Research2017，27，11： | 4 |
| 16 | High-Performance and Hysteresis-Free Perovskite Solar Cells Based on Rare-Earth-Doped SnO_(2) Mesoporous Scaffold显示文摘Tin oxide(SnO_(2)),as electron transport material to substitute titanium oxide(TiO_(2))in perovskite solar cells(PSCs),has aroused wide interests.However,the performance of the PSCs based on SnO_(2) is still hard to compete with the TiO_(2)-based devices.Herein,a novel strategy is designed to enhance the photovoltaic performance and long-term stability of PSCs by integrating rare-earth ions Ln^(3+)(Sc^(3+),Y^(3+),La^(3+))with SnO_(2) nanospheres as mesoporous scaffold.The doping of Ln promotes the formation of dense and large-sized perovskite crystals,which facilitate interfacial contact of electron transport layer/perovskite layer and improve charge transport dynamics.Ln dopant optimizes the energy level of perovskite layer,reduces the charge transport resistance,and mitigates the trap state density.As a result,the optimized mesoporous PSC achieves a champion power conversion efficiency(PCE)of 20.63%without hysteresis,while the undoped PSC obtains an efficiency of 19.01%.The investigation demonstrates that the rare-earth doping is low-cost and effective method to improve the photovoltaic performance of SnO_(2)-based PSCs. | Qiyao Guo Jihuai Wu Yuqian Yang Xuping Liu Zhang Lan Jianming Lin Miaoliang Huang Yuelin Wei Jia Dong Jinbiao Jia Yunfang Huang | 2019 | Research2019，，1： | 3 |
| 17 | Proliferation and differentiation into endothelial cells of human bone marrow mesenchymal stem cells (MSCs) on poly DL-lactic-co-glycolic acid (PLGA) films显示文摘The functional realization is the most important problem in vascular tissue engineering. The small-caliber blood vessel substitutes are prone to thrombi, which results in functional loss of blood vessels. However, this is probably due to the imper- fection of endothelial layer in the substitutes. In this study, MSCs were seeded on a series of porous PLGA films with various porosity and pore size made by sodium chloride (NaCl) particulate leaching, and cell proliferation on each film was inspected. The film made of the 75% (w/w) particulate proportion and 30―50 μm pore size maximized the proliferation rate and was chosen as the scaffolds for the differentia- tion of MSCs into endothelial cells. The induced cells expressed endothelial cells specific Flk-1, Ⅷ factor and CD34, possessed endothelial cells specific Weible-palade (W-P) body, and had the abilities of ingesting low density lipoprotein and secreting prostacyclin (PGI2). The results show that MSCs not only have the ideal biological compatibility with the porous PLGA films, but also have the potency of dif- ferentiating into functional endothelial cells, whichshould facilitate the endothelialization in vascular tissue engineering. | YUE Huimin ZHANG Lei WANG Yunfang LIANG Feng GUAN Lidong Li Shaoqing YAN Fang NAN Xue BAI Cixian LIN Feng YAN Yongnian PEI Xuetao | 2006 | Chinese Science Bulletin2006，51，11： | 3 |
| 18 | Low temperature preparation of flower-like BiOCl film and its photocatalytic activity显示文摘The BiOCl thin film with flower-like sphere structure was prepared at a low temperature by the alcoholysis-coating method using BiCl 3 as precursor. The obtained thin film was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), electronic energy spectrum (EDS) and ultraviolet-visible diffuse reflectance spectroscopy (UV-vis DRS). And the results showed that the obtained BiOCl film without calcination was composed of flower-like sphere structure with tetragonal phase and had a good absorption for ultraviolet. The photocatalytic activity of BiOCl thin film was also evaluated by the degradation of methyl orange in water under UV light irradiation. The degradation experimental results confirmed that the film prepared at low temperature possessed a high photocatalytic activity and could achieve 97% degradation to 10 mg/L methyl orange solution after 150 min UV light irradiation. The stability of the obtained BiOCl thin film was also good and its photocatalytic activity still remained an above 94% removal of methyl orange after being used four times. In addition, a possible formation mechanism of BiOCl thin film was also inferred and the results suggested that the ethylene glycol solvent may contribute to the forming flower-like sphere structure. | LIU XiaoXia FAN CaiMei WANG YunFang WANG YaWen ZHANG XiaoChao LIANG ZhenHai | 2012 | Science China Chemistry2012，55，11： | 3 |
| 19 | Fighting Ebola with ZMapp: spotlight on plant-made antibody显示文摘Currently,a large Ebola endemic is ongoing in West Africa.According to the World Health Organization,as of August19,the viral outbreak has led to 2240 suspected and confirmed cases and 1229 deaths in four countries:Guinea,Liberia,Nigeria,and Sierra Leone(http://gffzz43ce3729aad84d34h0pvcqfnc9k9565wo.ffgz.tsg.suse.edu.cn/vhf/ebola/outbreaks/guinea/index.html). | ZHANG YunFang LI DaPeng JIN Xia HUANG Zhong | 2014 | Science China(Life Sciences)2014，57，10： | 3 |
| 20 | Application of a novel redox-active electrolyte in MnO_2-based supercapacitors显示文摘This paper reports a novel strategy for preparing redox-active electrolyte through introducing a redox-mediator(p-phenylenediamine,PPD) into KOH electrolyte for the application of ball-milled MnO 2-based supercapacitors.The morphology and compositions of ball-milled MnO 2 were characterized using scanning electron microscopy(SEM) and X-ray diffraction(XRD).The electrochemical properties of the supercapacitor were evaluated by cyclic voltammetry(CV),galvanostatic charge-discharge(GCD),and electrochemical impedance spectroscopy(EIS) techniques.The introduction of p-phenylenediamine significantly improves the performance of the supercapacitor.The electrode specific capacitance of the supercapacitor is 325.24 F g-1,increased by 6.25 folds compared with that of the unmodified system(44.87 F g-1) at the same current density,and the energy density has nearly a 10-fold increase,reaching 10.12 Wh Kg-1.In addition,the supercapacitor exhibits good cycle-life stability. | YU HaiJun WU JiHuai FAN LeQing LIN YouZhen CHEN ShuHong CHEN Yuan WANG JiangLi HUANG MiaoLiang LIN JianMing LAN Zhang HUANG YunFang | 2012 | Science China Chemistry2012，55，7： | 3 |
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