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| 1 | Characterization of Amino Acid Composition in Fruits of Three Rosa roxburghii Genotypes显示文摘Rosa roxburghii Tratt., is an important commercial horticultural crop in China due to its nutritional and medicinal value. To date, the economic production of a single predominant cultivar of R. roxburghii(‘Guinong 5') consumes 30 000 hm^2 in China. Here, we characterize the amino acid composition of ‘Guinong 5' and two novel genotypes(AL11, GP6) that prove valuable and deserve wide application. Here, 17 amino acids(acid hydrolysis of proteins) were detected in ‘Guinong 5', AL11 and GP6 fruits, with Glutamine and Asparagine being abundant, and L-cystine being absent. The essential amino acids and total amino acids were the highest in AL11, while Asparagine was most abundant in GP6. For the free amino acid, 18 amino acids and 9 metabolites were detected in ‘Guinong 5', AL11 and GP6 fruits. γ-aminobutyric acid, L-arginine and ornithine were the most abundant in ‘Guinong 5', while phosphoserine and taurine were the highest in AL11. In comparison, GP6 had the highest levels of L-asparagine, an essential amino acid, and the highest total N containing compounds. | LU Min AN Huaming WANG Daoping | 2017 | Horticultural Plant Journal2017,3,6: | 11 |
| 2 | Alkaline polymer electrolyte fuel cells: Principle, challenges, and recent progress显示文摘Polymer electrolyte membrane fuel cells (PEMFC) have been recognized as a significant power source in future energy systems based on hydrogen. The current PEMFC technology features the employment of acidic polymer electrolytes which, albeit superior to electrolyte solutions, have intrinsically limited the catalysts to noble metals, fundamentally preventing PEMFC from widespread deployment. An effective solution to this problem is to develop fuel cells based on alkaline polymer electrolytes (APEFC), which not only enable the use of non-precious metal catalysts but also avoid the carbonate-precipitate issue which has been troubling the conventional alkaline fuel cells (AFC). This feature article introduces the principle of APEFC, the challenges, and our research progress, and focuses on strategies for developing key materials, including high-performance alkaline polyelectrolytes and stable non-precious metal catalysts. For alkaline polymer electrolytes, high ionic conductivity and satisfactory mechanical property are difficult to be balanced, therefore polymer cross-linking is an ultimate strategy. For non-precious metal catalysts, it is urgent to improve the catalytic activity and stability. New materials, such as transition-metal complexes, nitrogen-doped carbon nanotubes, and metal carbides, would become applicable in APEFC. | TANG DaoPing, PAN Jing, LU ShanFu, ZHUANG Lin* & LU JunTao Hubei Key Lab of Electrochemical Power Sources College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China | 2010 | Science China Chemistry2010,53,2: | 9 |
| 3 | Accelerated methane storage in clathrate hydrates using surfactantstabilized suspension with graphite nanoparticles显示文摘In this study,enhanced kinetics of methane hydrate formation in the sodium dodecyl sulfate(SDS)solution with different concentrations of suspended graphite nanoparticles(GNPs)were investigated at 6.1-9.0 MPa and 274.15 K.The GNPs with rough surfaces and excellent thermal conductivity not only provided a considerable number of microsites for hydrate nucleation but also facilitated the fast hydrate heat transfer in the suspension system.At a relatively low pressure of 6.1 MPa,the suspension with 0.4 wt%of GNPs exhibited the minimum induction time of 22 min and maximum methane uptake of 126.1 cm3·cm-3.However,the methane storage performances of the suspensions with higher and lower concentrations of GNPs were not satisfactory.At the applied pressure,the temperature increase arising from the hydrate heat in the suspension system with the optimized concentration(0.4 wt%)of GNPs was more significant than that in the traditional SDS solution.Furthermore,compared with those of the system without GNPs,enhanced hydration rate and storage capacity were achieved in the suspensions with GNPs,and the storage capacities were increased by 3.9%-17.0%.The promotion effect of GNPs on gas hydrate formation at low pressure is much more obvious than that at high pressure. | Liang Yang Xin Wang Daoping Liu Guomin Cui Binlin Dou Juan Wang Shuqing Hao | 2020 | Chinese Journal of Chemical Engineering2020,28,4: | 4 |
| 4 | Hymecromone:a clinical prescription hyaluronan inhibitor for efficiently blocking COVID-19 progression显示文摘Currently,there is no effective drugs for treating clinically COVID-19 except dexamethasone.We previously revealed that human identical sequences of SARS-CoV-2 promote the COVID-19 progression by upregulating hyaluronic acid(HA).As the inhibitor of HA synthesis,hymecromone is an approved prescription drug used for treating biliary spasm.Here,we aimed to investigate the relation between HA and COVID-19,and evaluate the therapeutic effects of hymecromone on COVID-19.Firstly,HA was closely relevant to clinical parameters,including lymphocytes(n=158;r=−0.50;P<0.0001),C-reactive protein(n=156;r=0.55;P<0.0001),D-dimer(n=154;r=0.38;P<0.0001),and fibrinogen(n=152;r=0.37;P<0.0001),as well as the mass(n=78;r=0.43;P<0.0001)and volume(n=78;r=0.41;P=0.0002)of ground-glass opacity,the mass(n=78;r=0.48;P<0.0001)and volume(n=78;r=0.47;P<0.0001)of consolidation in patient with low level of hyaluronan(HA<48.43 ng/mL).Furthermore,hyaluronan could directly cause mouse pulmonary lesions.Besides,hymecromone remarkably reduced HA via downregulating HAS2/HAS3 expression.Moreover,89%patients with hymecromone treatment had pulmonary lesion absorption while only 42%patients in control group had pulmonary lesion absorption(P<0.0001).In addition,lymphocytes recovered more quickly in hymecromone-treated patients(n=8)than control group(n=5)(P<0.05).These findings suggest that hymecromone is a promising drug for COVID-19 and deserves our further efforts to determine its effect in a larger cohort. | Shuai Yang Yun Ling Fang Zhao Wei Li Zhigang Song Lu Wang Qiuting Li Mengxing Liu Ying Tong Lu Chen Daoping Ru Tongsheng Zhang Kaicheng Zhou Baolong Zhang Peng Xu Zhicong Yang Wenxuan Li Yuanlin Song Jianqing Xu Tongyu Zhu Fei Shan Wenqiang Yu Hongzhou Lu | 2022 | Signal Transduction and Targeted Therapy2022,7,4: | 2 |
| 5 | Bi_(2)S_(3) spheres coated with MOF-derived Co_(9)S_(8) and N-doped carbon composite layer for half/full sodium-ion batteries with superior performance显示文摘Bismuth sulfide(Bi_(2)S_(3))has attracted particular interest as a potential anode material for sodium-ion batteries(SIBs).However,the low electrical conductivity and dramatic volumetric change greatly restrict its practical applications.In view of the apparent structural and compositional advantages of metal-organic frameworks(MOFs)derived carbon-based composite,herein,as a proof of concept,Bi_(2)S_(3) spheres coated with the MOF-derived Co_(9)S_(8) and N-doped carbon composite layer(Bi_(2)S_(3)@Co_(9)S_(8)/NC composite spheres)have been rational designed and synthesized.As expected,the core-shell Bi_(2)S_(3)@Co_(9)S_(8)/NC composite spheres exhibit remarkable electrochemical performance in terms of high reversible capacity(597 m Ah g^(-1) after 100 cycles at 0.1 A g^(-1)),good rate capability(341 m Ah g^(-1) at 8 A g^(-1))and long-term cycling stability(458 m Ah g^(-1) after 1000 cycles at 1 A g^(-1))when investigated as anode materials for SIBs.Electrochemical analyses further reveal the favorable reaction kinetics in the Bi_(2)S_(3)@Co_(9)S_(8)/NC composite spheres.In addition,the possible sodium storage mechanism has been studied by ex-situ X-ray diffraction technique.More importantly,a sodium-ion full cell based on Na_(3) V_(2)(PO_(4))_(3)/r GO as cathode and Bi_(2)S_(3)@Co_(9)S_(8)/NC as anode is also fabricated,suggesting their potential for practical applications.It is anticipated that the present work could be extended to construct other advanced electrode materials using MOFs-derived carbon-based composites as surface coating materials for various energy storagerelated applications. | Youzhang Huang Xueshuang Zhu Daoping Cai Zhixiang Cui Qianting Wang Hongbing Zhan | 2021 | Journal of Energy Chemistry2021,30,8: | 2 |
| 6 | Research on Knowledge Base System of Coal Energy Saving Based on TRIZ Theory显示文摘 | Wang Daoping Sun Qingbin Ning Jing | 2012 | Procedia Engineering2012,29,: | 1 |
| 7 | 显示文摘 | Liu Daoping Xu Yi Song Meifeng | 2003 | Energyand the Environment - Proceedings of the International Conference on Energy and the Environment2003,,1: | 1 |
| 8 | Characterization of CO2 Hydrate Formation by Temperature Vibration显示文摘 | Ni Liu Weijun Chen Daoping Liu e al | 2011 | Energy Conversion and Management2011,52,6: | 1 |
| 9 | A new approach supporting perception guiding and multi-objective decision making for behavior animation显示文摘 | Ban Xiaojuan Jiang Daoping Yin Yixin | | Springer-Verlag Berlin Heidelberg0,4469,: | 1 |
| 10 | Effects of Y2O3 on the microstructure and mechanical properties ofspark plasma sintered fine-grained W-Ni-Mn alloy显示文摘Fine-grained W-Ni-Mn-Y_2 O_3 alloys were fabricated by mechanical alloying-assisted spark plasma sintering(SPS), and the effects of Y_2 O_3 content on the microstructure and mechanical properties of the alloys were studied. Fine-grained 90 W-6 Ni-4 Mn-Y_2 O_3 alloys with uniform microstructure and excellent properties were prepared by SPS at 1150 ℃. The addition of trace Y_2 O_3 inhibited the sintering densification process and refined the W grain size. The average W grain size decreased from 5.5 μm to 2.1 μm.The fracture mode changed from W grain transgranular fracture and W-W interface fracture to W-W and W-Matrix phase interface fracture. The Rockwell hardness and bending strength of alloys initially increased and then decreased with increasing Y_2 O_3 content. The optimum comprehensive mechanical properties(Rockwell hardness and bending strength) of the alloys were obtained at the same time when the mass fraction of Y_2 O_3 was 0.4%. | Yanlin Pan Lei Ding Hui Li Daoping Xiang | 2017 | Journal of Rare Earths2017,35,11: | 1 |
| 11 | Multi-Wavelength Erbium-Doped Fiber Ring Lasers with Overlap-Written Fiber Bragg Gratings 显示文摘 | Daoping Wei | 2000 | Opt Lett2000,25,16: | 1 |
| 12 | CO2 Reduction by Clatchrate Hydrate Crystallization 显示文摘 | Liu Ni Xuan Xiaobo Liu Daoping | 2011 | Environmental Engi- neering and Management Journal2011,10,6: | 1 |
| 13 | Multi- wavelength erbium-doped fiber ring lasers with overlap- written fiber Bragg gratings显示文摘 | Wei Daoping Li Tangjun Zhao Yucheng | 2000 | Optics Letters2000,25,16: | 1 |
| 14 | Neural-network-based multiple feedback long-rang predictive control 显示文摘 | Huang Daoping | 1998 | Automatica1998,18,: | 1 |
| 15 | Neural-nerwork-based Multiple Feedback Long-range Predictive Control显示文摘 | Daoping Huang A R van Cauwenberghe | 1998 | Neurocomputing1998,18,: | 1 |
| 16 | Calculation for the optical parameters of the Sn-doped SiO2 thin films by fitting the entire transmitted spectrum显示文摘 | JIANG Daoping JIA Hongzhi LU Huancai | 2013 | Optik-lnt J Light Electron Opt2013,124,: | 1 |
| 17 | 显示文摘 | Xiang Daoping Liu Ying | 2008 | Materials Characterization2008,59,: | 1 |
| 18 | Neural-network-based multiple feedback long-range predic-tive control显示文摘 | Huang Daoping Cauwenberghe A R van | 1998 | Neurocomputing1998,18,: | 1 |
| 19 | Influence of particle sizes and morphologies on the electrochemical performances of spinel LiMn 2 O 4 cathode materials显示文摘 | Liang Xiao Yonglin Guo Deyu Qu Bohua Deng Hanxing Liu Daoping Tang | 2013 | Journal of Power Sources2013,,: | 1 |
| 20 | Joint target delay determination and rate control for real-time videos in heterogeneous wireless networks显示文摘In heterogeneous wireless networks with time-varying channels,the video rate is usually adjusted based on the network bandwidth to guarantee ultra-low latency video transmission under an end-to-end target delay constraint.However,the target delay with a fixed value according to historical experience cannot guarantee the quality of video continuously since wireless network bandwidth changes rapidly,especially when the network deteriorates.An alternative scheme is to dynamically set the target delay according to the network status within an acceptable delay range.However,this scheme cannot be ensured in heterogeneous wireless networks with time-varying channels.Thus,to address this issue,a multi-objective optimization algorithm for joint optimization of rate control and target delay is proposed,where the target delay and video rate are jointly adjusted dynamically.Second,to reduce the optimization complexity due to the multi-objective and multi-parameter characteristics,multi-objective optimization algorithm be decomposed and solved by optimizing each independent sub-problem.Finally,the proposed algorithm is verified on a semi-physical simulation platform.Experiments show that the frame loss rate is reduced from 6.65%to 2.06%,and a peak signal-to-noise ratio(PSNR)gain of 18.32%is obtained when the network performance is low. | Chen Feng Zhu Daoping Jiang Chen Zheng Mingkui Lin Nan | 2021 | The Journal of China Universities of Posts and Telecommunications2021,28,3: | 0 |