Chen, Fan. / "October 2010." / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 85-91). / Abstracts in English and Chinese. / ABSTRACT --- p.III / 摘要 --- p.IV / ACKNOWLEDGENTS --- p.V / TABLE OF CONTENTS --- p.VI / LIST OF FIGURES --- p.VIII / LIST OF TABLES --- p.X / SYMBOLS AND ABBREVIATIONS --- p.XI / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter 1.1 --- Mass spectrometry in proteomics --- p.1 / Chapter 1.2 --- Fourier-transform ion cyclotron resonance mass spectrometry --- p.2 / Chapter 1.2.1 --- Introduction --- p.2 / Chapter 1.2.2 --- Ionization --- p.3 / Chapter 1.2.3 --- Ions in ICR --- p.4 / Chapter 1.2.4 --- Ions excitation and detection --- p.7 / Chapter 1.3 --- Tandem mass spectrometry --- p.8 / Chapter 1.4 --- Electron capture dissociation --- p.12 / Chapter 1.4.1 --- Features ofECD --- p.13 / Chapter 1.4.2 --- Two popular mechanisms for ECD --- p.14 / Chapter 1.4.2.1 --- The Cornell mechanism --- p.15 / Chapter 1.4.2.2 --- The Utah-Washington mechanism --- p.17 / Chapter 1.4.3 --- Recombination energy --- p.19 / Chapter 1.5 --- Outline of the present work --- p.21 / Chapter CHAPTER 2 --- INSTRUMENTATION AND EXPERIMENTAL --- p.22 / Chapter 2.1 --- Fourier-transform ion cyclotron resonance mass spectrometer --- p.22 / Chapter 2.1.1 --- Vacuum system --- p.24 / Chapter 2.1.2 --- Nanospray system --- p.26 / Chapter 2.1.3 --- Ion transfer system --- p.29 / Chapter 2.1.4 --- Infinity´ёØ cell --- p.29 / Chapter 2.1.5 --- Electron emission source --- p.31 / Chapter 2.1.6 --- Data acquisition system --- p.32 / Chapter 2.2 --- Experimental --- p.32 / Chapter 2.2.1 --- Simple ESI acquisition pulse program --- p.32 / Chapter 2.2.2 --- ESI-ECD acquisition pulse program --- p.35 / Chapter CHAPTER 3 --- FRAGMENTATION OF MODEL PEPTIDE IONS IN DIFFERENT CHARGE STATES UNDER ECD CONDITIONS --- p.38 / Chapter 3.1 --- Introduction --- p.38 / Chapter 3.2. --- Experimental --- p.41 / Chapter 3.2.1 --- Sequence design and sample preparation --- p.41 / Chapter 3.2.2 --- ECD under fourier-transform ion cyclotron mass spectrometer --- p.43 / Chapter 3.3 --- Results and discussion --- p.43 / Chapter 3.3.1 --- General features of ECD spectra --- p.43 / Chapter 3.3.1.1 --- ECD of RRRR --- p.43 / Chapter 3.3.1.2 --- ECD of KKKK --- p.47 / Chapter 3.3.2 --- Effect of charge state of precursor ions --- p.49 / Chapter 3.3.3 --- Effect of proton carriers --- p.52 / Chapter 3.3.4 --- Effect of proton carrier location --- p.54 / Chapter 3.4 --- Conclusions --- p.60 / Chapter CHAPTER 4 --- EFFECT OF PRECURSOR ION HETEROGENEITY ON ECD FRAGMENTATION --- p.62 / Chapter 4.1 --- Introduction --- p.62 / Chapter 4.2 --- Method --- p.63 / Chapter 4.2.1 --- Preferential dissociation index --- p.64 / Chapter 4.2.2 --- Precursor ion heterogeneity --- p.65 / Chapter 4.3 --- Results and discussion --- p.67 / Chapter 4.3.1 --- PDI in model peptides --- p.67 / Chapter 4.3.2 --- PIH and PDI in RRRR and KKKK --- p.71 / Chapter 4.3.3 --- PDI and PIH in two-lysine containing peptides --- p.73 / Chapter 4.3.4 --- PDI and PIH in other peptides --- p.80 / Chapter 4.4 --- Conclusions --- p.82 / Chapter CHAPTER 5 --- CONCLUSIONS --- p.83 / References --- p.85 / Chapter Appendix I: --- Pulse program for simple MS and MS/MS experiment --- p.92 / Chapter (A) --- Simple ESI FT-ICR MS experiment --- p.92 / Chapter (B) --- ESI ECD FT-ICR MS experiment --- p.95 / Chapter Appendix II: --- ECD spectra of AC-XAAAXAAAXAAAX-NH2 peptide series in different charge states --- p.99 / Chapter Appendix III: --- The PDI of the hypothetic peptide --- p.110 / Chapter Appendix IV: --- The PIH among the investigated system --- p.111
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_327424 |
| Date | January 2011 |
| Contributors | Chen, Fan., Chinese University of Hong Kong Graduate School. Division of Chemistry. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xi, 114 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
Page generated in 0.0024 seconds