云南高校图书馆联盟文献共享服务平台- FRAGMENTATION

FRAGMENTATION: 作品数：463被引量：556H指数：11; 导出分析报告; 相关领域：理学更多>>; 相关作者：石建功再帕尔·阿不力孜梁峰何晓赵丽艳更多>>; 相关机构：对外经济贸易大学中国医学科学院北京协和医学院北京大学中国科学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划山西省自然科学基金国家教育部博士点基金更多>>

Studies on Fragmentation of Peptide by Nano-electrospray Ionization Fourier Transform Ion Cyclotron Resonance Multi-stage Tandem Mass Spectrometry: 《Chemical Research in Chinese Universities》2011年第5期773-776,共4页SHI Ying LIU Ning SONG Feng-rui LIU Zhi-qiang LIU Shu-ying; Supported by the National Natural Science Foundation of China(No.20675079); The sequence analysis of peptides was performed by nano-electrospray ionization Fourier transform ion cyclotron resonance tandem mass spectrometry（Nano-ESI-FT-ICR-MSn） and several peptides were chosen as examples. W...; 关键词：Nano-electrospray ionization Fourier transform ion cyclotron resonance tandem mass spectrometry（Nano-ESI-FT-ICR-MS） Collision induced dissociation（CID） Peptide sequence

Ionization and Fragmentation of Butanone Clusters Irradiated by Photons at 355 and 118 nm被引量：1: 《Chemical Research in Chinese Universities》2011年第3期508-511,共4页SUN Chang-kai HU Zhan YANG Xue JIN Ming-xing HU Wen-cheng DING Da-jun; Supported by the National Natural Science Foundation of China(Nos.10404008, 10774056 and 10974070);Doctoral Fund of Ministry of Education of China; Time-of-flight（TOF） mass spectra of molecular butanone clusters were measured under the irradiation of photons at 355 and 118 nm. Butanone molecular parent ion and several series of butanone cluster fragments such ...; 关键词：Cluster IONIZATION FRAGMENT BUTANONE

Fragmentation Behavior and Ionization Potentials of Lead Clusters Pb_n(n≤30)被引量：1: 《Chemical Research in Chinese Universities》2010年第6期996-1001,共6页LI Xiao-ping ZHANG Wei LUE Wen-cai WANG Cai-zhuang HO Kai-ming; Supported by the National Natural Science Foundation of China(Nos.20773047 and 21043001); The properties of Pbn（n=2―30） clusters including binding energies,second differences in energy,and HOMO-LUMO gaps,especially fragmentation energies and ionization potentials,have been studied by ab initio calculati...; 关键词：Pb cluster FRAGMENTATION Ionization potential

Fragmentation Behavior and Ionization Potentials of Aluminum Clusters Al_n(n≤40): 《Chemical Research in Chinese Universities》2010年第2期294-299,共6页ZHANG Wei LI Zhuo ZHANG Gang LU Wen-cai; Supported by the National Natural Science Foundation of China(Nos.20773047 and 20473030); Al2-Al40 clusters were studied by means of the all-electron DFT method. The properties of the aluminum clusters including binding energy, the second difference in energy, HOMO-LUMO gap, especially fragmentation energi...; 关键词：Al cluster Fragmentation behavior Ionization potential

Mass Spectrometric Fragmentation of 1,8-Bis[4-substituted- (oxazolin-2-yl)] anthracenes: Ring-contraction Rearrangement of Oxazoline Ring under Electron-Impact Ionization Conditions: 《Chemical Research in Chinese Universities》2006年第6期753-755,共3页JIAO Peng MA Lin-ge ZHANG Qi-han XU Jia-xi; Supported by the National Natural Science Foundation of China(No. 20272002).; The mass spectrometric fragmentation of 1,8-bis [ 4-substituted （oxazolin-2-yl） ] anthracenes （AnBOXes） was investigated by using mass-analyzed ion kinetic energy spectrometry under electron-impact ionization cond...; 关键词：Bis-oxazoline EI-MS FRAGMENTATION Ring contraction

Mass Spectral Fragmentation of (S,S)-N,N′-Bis [1-(hydroxymethyl)alkyl]anthracene/Naphthalene-1,8-dicarboxamides under Electron Impact Ionization Conditions: 《Chemical Research in Chinese Universities》2006年第6期756-759,共4页JIAO Peng ZHANG Qi-han XU Jia-xi; Supported in part by the National Natural Science Foundation of China(No. 20472005).; The mass spectrometric fragmentation of （ S, S） -N, N＇-bis [ 1- （hydroxymethyl） alkyl] anthracene/naphthalene-1, 8-dicarboxamides was investigated with the aid of mass-analyzed ion kinetic energy spectrometry and...; 关键词：Biscarboxamide EI-MS FRAGMENTATION CYCLIZATION

Comparative Studies on Mass Spectrometric Fragmentation of Linear Chiral Secondary Alcohols (R)-1-(4-Alkylphenyl) and (R)-1-(4-Alkoxyphenyl/Alkylthiophenyl) Alcohols: 《Chemical Research in Chinese Universities》2006年第3期347-350,共4页ZHANG Qi-han SU Xian-bin XU Jia-xi; SupportedbytheMinistryofEducationofP.R.China(SRFforROCSandEYTP)andPekingUniversity.; Mass spectrometric behaviour of （R） -1- （ 4-alkylphenyl ） alcohols, 1- （4-alkoxylphenyl） alcohols, and 1- （4-alkylthiophenyl） alcohols were studied with the aid of mass-analyzed ion kinetic energy spectrometry...; 关键词：1-（4-Alkylphenyl） alcohol 1-（4-Alkoxylphenyl） alcohol 1-（4-Alkylthiophenyl） alcohol Electron impact ionization Fragmentation mechanism Mass spectrometry

Mass Spectrometry of 2a,4-Disubstituted 5-Benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]benzodiazepin-1(2H)-ones Under Electron Impact Ionization Conditions: 《Chemical Research in Chinese Universities》2005年第4期452-456,共5页XUJia-xi HUANGXu; SupportedbytheNationalNaturalScienceFoundationofChina(Nos.20272002and20472005),theExcellentYoungTeachersProgram,theScientificResearchFoundationfortheReturnedOverseaChineseScholarsofMinistryofEducationofChina,andthePresidentGrantofPekingUniversity.; The mass spectrometric fragmentation of 2a,4-disubstituted 5-benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto{[1,2-a]}[1,5]benzodiazepin-1(2H)-ones has been investigated by means of mass-analyzed ion kinetic energy spectro...; 关键词：Azeto[1 2-a][1 5]benzodiazepin-1(2H)-one Mass spectrometry FRAGMENTATION Mechanism

Studies on Fragmentation Regularity of 5-Methoxycarbonyl- 4-substituted-6-methyl-3,4-dihydropyrimidin-2(1H)-ones by Time-of-flight Mass Spectrometry: 《Chemical Research in Chinese Universities》2004年第6期729-733,共5页LIQian-rong SALEHIHojatollah YINHao GUOQing-xiang; National Natural Science Foundation of China(No.2 0 332 0 2 0 ); The electron impact time-of-flight(TOF) mass spectra of the title compounds were studied to establish their fragmentation processes. With the high resolution of the TOF instrument, the exact mass for each fragment was...; 关键词：3 4-Dihydropyrimidinone Time-of-flight mass spectrometry Electron impact

Fragmentation of Some Substituted Phthalimides on Electron Impact Ionization: 《Chemical Research in Chinese Universities》1999年第2期99-103,共5页WEI Junhua DONG Dewen LIU Zhiqiang LIU Shuying JIN Danhong; ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｅｌｉｍｉｎａｔｉｏｎｓｏｆＣＯａｎｄＣＯ２ｆｒｏｍｔｈｅｍｏｌｅｃｕｌａｒｉｏｎｓｏｆｐｈｔｈａｌｉｍｉｄｅａｎｄｉｔｓＮ－ｍｅｔｈｙｌ，Ｎ－ｐｈｅｎｙｌｄｅｒｉｖａｔｉｖｅｓｉｎｍａ...; 关键词：Substituted phthalimide Mass spectrometry Electron impact Electron impact

FRAGMENTATION