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Biotemplated synthesis of three-dimensional porous MnO/C-N nanocomposites from renewable rapeseed pollen： An anode material for lithium-ion batteries

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Nano Research 2017年第1期10卷 1-11页

作者： Li-Feng Chen Sheng-Xiang Ma Shu Lu Yue Feng Jia Zhang Sen Xin Shu-Hong Yu Division ofNanomatefials & Chemistry Hefei National Laboratory for Physical Sciences at Microscale Collaborative Innovation Center of Suzhou Nano Science and Technology CAS Center for Excellence in Nanoscience Department of Chemistry Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China Anhui Key Laboratory of Controllable Chemical Reaction and Material Chemical Engineering School of Chemical Engineering Hefei University of Technology Hefei 230009 China

Lithium-ion batteries （LIBs） are currently recognized as one of the most popular power sources available. To construct advanced LIBs exhibiting long-term endurance, great attention has been paid to enhancing their poor cycle stabilities. As the performance of LIBs is dependent on the electrode materials employed, the most promising approach to improve their life span is the design of novel electrode materials. We herein describe the rational design of a three-dimensional （3D） porous MnO/C-N nanoarchitecture as an anode material for long cycle life LIBs based on their preparation from inexpensive, renewable, and abundant rapeseed pollen （R-pollen） via a facile immersion-annealing route. Remarkably, the as-prepared MnO/C-N with its optimized 3D nanostructure exhibited a high specific capacity （756.5 mAh·g^-1 at a rate of 100 mA·g^-1）, long life span （specific discharge capacity of 513.0 mAh·g^-1, -95.16% of the initial reversible capacity, after 400 cycles at 300 mA·g^-1）, and good rate capability. This material therefore represents a promising alternative candidate for the high-performance anode of next-generation LIBs.

关键词： 3D porous MnO/C-Nnanocomposite rapeseed pollen renewable biomass lithium-ion batter long cycle life

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Cloning and Expression of a Profilin Gene from rapeseed

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Acta Botanica Sinica 2001年第7期43卷 727-730页

作者：叶秋李旭锋徐莺王劲林娟陈放四川大学生命科学学院成都610064

Profilin has recently been identified as an actin-binding protein in higher plants. A cDNA clone (designated Repro) encoding profilin gene was isolated from rapeseed ( Brassica napus L. cv. canadian Tween) using RT-PCR technique. Sequence analysis showed 82% similarity to Zea mays L. ZmPro3, 85% to Arabidopsis AthPRF1, 82% to Nicotiana tabacum L. NTPRO, 81% to Oryza sativa L. profilin A. A new full-length cDNA was obtained by 5'-RACE and 3'-RACE techniques. Sequence analysis showed that the size of full-length cDNA is 672 bp which contains a major open reading frame of 134 amino, acids, 5' and 3' untranslated regions and a long Poly (A) tail. Northern blot analysis showed that the profilin gene is a pollen and anther specific gene.

关键词： profilin gene 3 '-RACE 5 '-RACE rapeseed pollen RT-PCR

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