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| 1 | Synthesis of LiFePO_4 in situ vapor-grown carbon fiber (VGCF) composite cathode material via microwave pyrolysis chemical vapor deposition显示文摘One of the most important factors that limits the use of LiFePO 4 as cathode material for lithium ion batteries is its low electronic conductivity.In order to solve this problem,LiFePO 4 in situ vapor-grown carbon fiber (VGCF) composite cathode material has been prepared in a single step through microwave pyrolysis chemical vapor deposition.The phase,microstructure,and electrochemical performance of the composites were investigated.Compared with the cathodes without in situ VGCF,the initial discharge capacity of the composite electrode increases from 109 to 144 mA h g-1 at a 0.5-C rate,and the total electric resistance decreases from 538 to 66.The possible reasons for these effects are proposed. | DENG Fei ZENG XieRong ZOU JiZhao HUANG JianFeng SHENG HongChao XIONG XinBo QIAN HaiXia LI XiaoHua | 2011 | Chinese Science Bulletin2011，56，17： | 4 |
| 2 | Development and optimization of thermal contrast amplification lateral flow immunoassays for ultrasensitive HIV p24 protein detection显示文摘Detection of human immunodeficiency virus(HIV)p24 protein at a single pg/ml concentration in point-of-care(POC)settings is important because it can facilitate acute HIV infection diagnosis with a detection sensitivity approaching that of laboratory-based assays.However,the limit of detection(LOD)of lateral flow immunoassays(LFAs),the most prominent POC diagnostic platform,falls short of that of laboratory protein detection methods such as enzyme-linked immunosorbent assay(ELISA).Here,we report the development and optimization of a thermal contrast amplification(TCA)LFA that will allow ultrasensitive detection of 8 pg/ml p24 protein spiked into human serum at POC,approaching the LOD of a laboratory test.To achieve this aim,we pursued several innovations as follows:(a)defining a new quantitative figure of merit for LFA design based on the specific to nonspecific binding ratio(BR);(b)using different sizes and shapes of gold nanoparticles(GNPs)in the systematic optimization of TCA LFA designs;and(c)exploring new laser wavelengths and power regimes for TCA LFA designs.First,we optimized the blocking buffer for the membrane and running buffer by quantitatively measuring the BR using a TCA reader.The TCA reader interprets the thermal signal(i.e.,temperature)of GNPs within the membrane when irradiated by a laser at the plasmon resonance wavelength of the particle.This process results in higher detection and quantitation of GNPs than in traditional visual detection(i.e.,color intensity).Further,we investigated the effect of laser power(30,100,200 mW),GNP size and shape(30 and 100 nm gold spheres,150 nm gold-silica shells),and laser wavelength(532,800 nm).Applying these innovations to a new TCA LFA design,we demonstrated that 100nm spheres with a 100 mW 532 nm laser provided the best performance(i.e.,LOD=8pg/ml).This LOD is significantly better than that of the current colorimetric LFA and is in the range of the laboratory-based p24 ELISA.In summary,this TCA LFA for p24 protein shows promise for detecting acute HIV infection in POC settings. | Li Zhan Timothy Granade Yilin Liu Xierong Wei Ae Youngpairoj Vickie Sullivan Jeff Johnson John Bischof | 2020 | Microsystems & Nanoengineering2020，6，1： | 3 |
| 3 | Structure and Oxidation Behavior of a Plasma Sprayed Yttrium Silicates Coated SiC-C/C with a Glass Outer Sealant from 1573K to 1873K显示文摘Different compositions of yttrium silicates coatings were deposited on SiC-C/C by plasma spraying and an outer borosilicate glass was applied on the yttrium silicates coatings surfaces.The structure of the multi-layer coatings was characterized by XRD and SEM analyses.High temperature oxidation behavior of the multi-layer coatings coated C/C composites was investigated.Results show that SiC/2SiO_2Y_2O_3/I.5SiO_2 Y_2O_3/SiO_2 Y_2O_3/glass multi-layer coating has better high temperature oxidation resistance,protecting carbon/ carbon composites from oxidation at 1 773 K in air for 164 h with the weight loss of 1.65%.The oxidation weight loss of the coated C/C with time accorded with parabolic rule in the temperature range 1 573 K-1 873 K; and the corresponding oxidation activation energy of the coated carbon/carbon composites is 132.2 kJ/mol. | 黄剑锋 LI Hejun ZENG Xierong CAO Liyun LI Kezhi XIONG Xinbo LI Long | 2008 | Journal of Wuhan University of Technology(Materials Science)2008，23，1： | 2 |
| 4 | Yttrium Silicate Oxidation Protective Coating for SiC Coated Carbon/Carbon Composites显示文摘 | Huang Jianfeng Li Hejun Zeng Xierong | 2006 | Ceramics International2006，32，4： | 1 |
| 5 | Influence of the preparation temperature on the phase,microstructure and anti-oxidation property of a SiC coating for carbon/carbon composites显示文摘 | HUANG Jianfeng ZENG Xierong LI Hejun | 2004 | Carbon2004，42，： | 1 |
| 6 | Mullite-Al2O3-SiC oxidation protective coating for carbon/carbon composites 显示文摘 | Huang Jianfeng Zeng Xierong | 2003 | Carbon2003，41，： | 1 |
| 7 | Minority HIV-1 drug resistance mutations are present in antiretroviral treatment-nave populations and associate with reduced treatment efficacy显示文摘 | Johnson JA Li Jinfen Wei Xierong | | 0，，07： | 1 |
| 8 | Influence of the preparation temperature on the phase, microstructure and anti-oxidation property of a SiC coating for C/C composites显示文摘 | Huang Jianfeng Zeng Xierong Li Hejun | 2004 | Carbon2004，42，89： | 1 |
| 9 | Development of Two Avidity-Based Assays to Detect Recent HIV Type 1 Seroconversion Usinga Multisubtype gp41 Recombinant Protein 显示文摘 | Xierong Wei XL Trudy Dobbs | 2010 | AIDS Research and Human Retroviruses2010，26，： | 1 |
| 10 | Influence of the preparation temperature on the phase, microstructure and anti-oxidation property of a SiC coating for C/C composites显示文摘 | Huang Jianfeng Zeng Xierong Li Hejun | 2004 | Carbon2004，42，89： | 1 |
| 11 | Influence of the preparing temperature on phase, microstructure and anti-oxidation property of SiC coating for C/C composites显示文摘 | Huang JianFeng Zeng XieRong Li He Jun | | Carbon0，42，89： | 1 |
| 12 | Preparation of Y2BaCuO5 nanoparticles by a co-precipitation process with the aid of ultrasonic irradiation显示文摘 | Huang Jianfeng Zeng Xierong Cao Liyun | 2009 | Journal of Materials Processing Technology2009，209，6： | 1 |
| 13 | Yttrium silicate oxidation protective coating for SiC coated carbon/ carbon composites 显示文摘 | Huang Jianfeng Li Hejun Zeng Xierong | 2006 | Ceramics International2006，32，4： | 1 |
| 14 | Oxidation behavior of SiC Al2O3-mullite multi-coating coated carbon/carbon composites at high temperature显示文摘 | Huang Jianfeng Zeng Xierong Li Hejun Li Kezhi Xiong Xinbo | 2005 | Carbon2005，43，7： | 1 |
| 15 | Mullite-Al2O3 - SiC oxidation protective coating for carbon - carbon composites显示文摘 | HHANG Jianfang ZENG Xierong LI Hejun | 2003 | Carbon2003，41，3： | 1 |
| 16 | A new SiC/yttrium silicate/glass multi-layer oxidation protective coating for carbon/carbon composites 显示文摘 | Huang Jianfeng Li Hejun Zeng Xierong | 2004 | Carbon2004，42，11： | 1 |
| 17 | A new SiC/yttrium silicate/glass multi-layer oxidation protective coating for carbon/carbon composites显示文摘 | HUANG Jianfeng LI Hejun ZENG Xierong | 2004 | Carbon2004，42，11： | 1 |
| 18 | 显示文摘 | Huang Jianfeng Li Hejun Zeng Xierong | 2006 | Ceramics International2006，32，： | 1 |
| 19 | 显示文摘 | Huang Jianfeng Li Hejun Zeng Xierong | 2006 | Surface & Coating Technology2006，200，： | 1 |
| 20 | 显示文摘 | Huang Jianfeng Zeng Xierong Li Hejun | 2005 | Letters to the Editor/Carbon2005，43，： | 1 |
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