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Molecular orbital study of
activation on small metal clusters. I. Pt, Pd,
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J. Chem. Phys. 108, 8418 (Fri May 22 00:00:00 UTC 1998);
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The electronic structure of Pd/Pt dimer and the detailed reaction mechanism of
activation on these clusters have been studied with density functional (B3LYP) and complete active space second-order perturbation (CASPT2) theories. It was found that B3LYP calculations gave reliable results on the electronic structures of the Pd/Pt dimers, in comparison with our CASPT2 calculations and data from previous theoretical investigations. Full geometry optimization has been carried out in the current study in contrast to previous work where only limited potential energy scans have been carried out, which led to dramatically different reaction mechanisms. In the case of
H–H/C–H activation preferentially takes place at first on one metal atom via structures far from planar, then one of the H atoms migrates to the other Pt atom with negligible barrier. On both the singlet and the triplet state, H–H activation is barrierless, while C–H activation has a distinct barrier on the singlet state for reaction starting from the ground triplet state
In contrast,
is found to activate the H–H bond without barrier on the singlet state, while the triplet states are very high in energy. In the
activation, two paths, referred as symmetric and asymmetric paths, respectively, have been found. The characters of the metal dimers and the differences between
systems have been analyzed based on MO diagrams. Results from the current study are consistent with the recent experimental observations of Cox et al. on the reactivities of unsupported
Received Mon Nov 17 00:00:00 UTC 1997
Accepted Tue Feb 17 00:00:00 UTC 1998
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Molecular orbital study of H2 and CH4 activation on small metal clusters. I. Pt, Pd, Pt2, and Pd2
J. Chem. Phys. 108, 8418 (Fri May 22 00:00:00 UTC 1998);
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Scitation: Molecular orbital study of H2 and CH4 activation on small metal clusters. I. Pt, Pd, Pt2, and Pd2
http://aip./content/aip/journal/jcp/108/20/10.269
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jcp.aip.org/108/20/10.269/Right1,Right2,Right3Construction of antifreeze gene CBF_2 expression vector and transformation into alfalfa callus--《Acta Prataculturae Sinica》2011年02期
Construction of antifreeze gene CBF_2 expression vector and transformation into alfalfa callus
LIU Xiao-jing1,2,HAO Feng1,2,ZHANG De-gang1,2,MAO Juan3,YU Tie-feng1,2(1.College of Grassland Science,Gansu Agricultural University,Lanzhou .Key Laboratory of Grassland Ecosystem of Ministry of Education,Sino-U.S.Centers for Grazing land Ecosystem Sustainability,Lanzhou .College of Agronomy,Gansu Agricultural University,Lanzhou 730070,China)
Arabidopsis thaliana genomic DNA was selected as a template to amplify the target gene by PCR and connect it to the PGEM-T Easy Vector for construction of the T-CBF2.The target fragment and linear plasmids were obtained from the cloning vector T-CBF2 and from the plant expression vector PBI121 with dual digestion using BamHⅠand Sac I,respectively.The plant expression vector P-T-CBF2 was built through directional connections using T4 DNA ligase.PCR identification proved that the recombinant had been transferred into Agrobacterium tumefaciens and it was then introduced into Medicago sativa cv.Hetian through Agrobacterium-mediated transformation.Transfer of the target gene to alfalfa callus was successful.
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ZHANG Jin-wen~1,XIONG Chun-rong~2,LI Jing-wen~1,WANG Wang-tian~1,MENG Ya-xiong~1,CHEN Zheng-hua~3(1.College of Agronomy,Gansu Agricultural University,Gansu,Lanzhou .Station of Gansu Agrotechnique Generalization,Gansu,Lanzhou .Postdoc Workstation of Gansu Yasheng Industrial Ltd.,Beijin 100101,China);[J];Acta Prataculturae S2006-06
WANG Zhi-yong1,2,YUAN Xue-jun2,LIU Jian-xiu2, GUO Hai-lin2(1.Department of Horticulture,Nanjing Agricultural Univeristy,Nanjing 210095, C2.Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing 210014,China);[J];Acta Prataculturae S2008-03
ZHANG Gai-na1,2,JIA Jing-fen2(1.College of Agriculture of Henan University of Science and Technology,Luoyang .School of Life Science,Northwest University,Xi'an 710069,China);[J];Acta Prataculturae S2009-03
HU Qing-quan1,2,WANG Qi-feng2,LI Kun-zhi2,CHEN Li-mei2,YU Yong-xiong1(1.College of Animal Science and Technology,Southwest University,Chongqing .Biotechnology Research Center,Kunming University of Science and Technology,Kunming 650224,China);[J];Acta Prataculturae S2009-04
DUAN Hong-ying,DING Xiao-sheng(The College of Life Science,Henan Normal University,Xinxiang 453007,China);[J];Acta Agriculturae Boreali-S2008-03
ZHU Qing SONG Bo-Tao LIU Jun~(**) XIE Cong-Hua(China Branch-Centre of Vegetable Improvement,Wuhan 430070,China Key Laboratory of Horticultural Plant Biology,Ministry of Education,Huazhong Agricultural University,Wuhan 430070,China);[J];Journal of Agricultural B2004-05
ZHAI Zhong-hui1,CHEN Xi-nan1,WANG Juan2(1.Library of Xi'an Jiaotong University,Xi'an .Medical College of Xi'an Jiaotong University,Xi'an 710061,China);[J];Northwest Medical E2008-04
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Abulaiti,LI Pei-ying,SUN Zong-jiu,ZHANG Yan-hui(College of Pratacultural and Environmental Sciences,Xinjiang Agricultural University,Key Laboratory of Grassland Resource and Ecology of Xinjiang,Urumqi 830052,China);[J];Pratacultural S2009-06
XUE Dan-dan1,2,GUO Hai-lin1,ZHENG Yi-qi1,CHEN Xuan1,LIU Jian-xiu1(1.Insititute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing .College of Horticulture,Nanjing Agricultural University,Nanjing 210095,China);[J];Acta Prataculturae S2009-01
CHEN Zhi-hua1,2,MIAO Jia-min2,ZHONG Jin-cheng2,MA Xiao1,CHEN Shi-yong1,ZHANG Xin-quan1 (1.Department of Grassland Science,Sichuan Agricultural University,Ya'an .College of Life Science and Technology,Southwest University for Nationalities,Chengdu 610041,China);[J];Acta Prataculturae S2009-05
GUO Hai-lin1,2,ZHENG Yi-qi1,2,CHEN Xuan2,XUE Dan-dan1,2,LIU Jian-xiu2 (1.College of Horticulture,Nanjing Agricultural University,Nanjing .Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing 210014,China);[J];Acta Prataculturae S2009-05
HAO Feng1,LIU Xiao-jing1*,MAO Juan2,YU Tie-feng1,ZHANG De-gang1(1.Pratacultural College,Gansu Agricultural University,Lanzhou,Gansu Province .College of Agronomy,Gansu Agricultural University,Lanzhou,Gansu Province 730070,China);[J];Acta Agrestia S2009-06
LIANG Hui-min(Jiangsu Agriculture and Forestry Profession Technology College,Jurong 212400,China);[J];Acta Prataculturae S2010-01
ZHOU Liang-Bin1,LU Xin-Shi1,LAI Li-li2 (1.Grassland Research Institute,Beijing Forestry University,Beijing .College of Pratacultural and Environmental Sciences,Xinjiang Agricultural University,Urumchi,Xinjiang Province 830052,China);[J];Acta Agrestia S2010-03
Gao Juejing Zhao Jing Xu Caiguo Li Xianghua Wang Shiping National Key Laboratory of Crop Genetic Improvement,National Center of Plant Gene Research,Huazhong Agricultural University,Wuhan,430070;[J];Molecular Plant B2010-03
Sun Jiaqi Liang Jianguo Shi Shaochuan Gao Yike Zhang Qixiang College of Landscape Architechture,Beijing Forestry University,China National Engeering Research Centre for Floriculture,Beijing,100083;[J];Molecular Plant B2010-03
Sheng Wentao 1,2 Zhou Jinsong 1 Tang Yongping 1 Luo Shaochun 1 Chen Guangyu 1 1 Biotechnology Center,Jiangxi Academy of Agricultural Sciences,Nanchang, School of Life Sciences and Food Engineering,Nanchang University,Nanchang,330200;[J];Molecular Plant B2010-03
【Secondary Citations】
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(Institute of Botany, Jiangsu Province & Chinese Academy of Sciences, Nanjing 210014);[J];Acta Agrestia S2002-01
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LIU Jian-xiu, GUO Ai-gui, GUO Hai-lin(Institute of Botany, Jiangsu Province Chinese Academy of Science, Nanjing 210014, China);[J];Acta Pratacultural S2003-06
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ZHANG Zhen-xia~(1,3), YANG Zhong-yi~1, CHU Cheng-cai~2logical Control, Guangzhou 510275, C 2. Chinese Academy of Sciences, Institute of Genetics and Developmental Biology, Beijing 100101, C 3.Department of Biology, Hanshan Normal college, Chaozhou 521041, China);[J];Acta Pratacultural S2004-06
WANG Yu-gang~(1,4),Abulaiti~2,QI Man~3(1.Xinjiang Institute of Ecology and Geography,Chinese Academy of science,Urumqi .Institute of Grass Engineering,Xinjiang Agriculture University,Urumqi .Institute of Horticulture,Xinjiang Agricultural University,Urumuqi .Graduate University of the Chinese Academy of Sciences,Beijing 100039,China);[J];Acta Prataculturae S2006-04
WU Jin-xia,CHEN Yan-long,HE Jin-gang,LU Tie-gang(Biotechnology Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081,China);[J];Acta Prataculturae S2007-01
WANG You-bao,ZHANG Li,LIU Hui,SHI Wei,LIU Deng-yi(College of Life Science,Anhui Normal University,Wuhu 241000,China);[J];Acta Prataculturae S2007-01
GUO Hai-lin,LIU Jian-xiu,GAO He,HE Qiu,HU Hua-guang (Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing 210014,China);[J];Acta Prataculturae S2007-02
LIU Wei1,ZHANG Xin-quan1,LI Fang1,MA Xiao1,FAN Yan2(1.Department of Grassland,Sichuan Agricultural University,Ya'an .Institute of Animal Science and Veterinary Medicine,Chongqing 400039,China);[J];Acta Prataculturae S2007-03
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