Sample Preparation for Hyphenated Analytical Techniques

Contributors ; lntroduction: current techniques and issues in sample preparation ; Molecular pathology: applications of genomic analyses to diagnosis of genetic diseases ; Overview ; Molecular diagnostics: types of assay offered and clinical examples ; Properties of nucleic acids relevant to clinical diagnosis ; Two clinicaI examples ; Methods of molecular pathology ; Methods for isolation of nucleic acids from body fluids and solid tissues ; Methods for amplification ; Methods of separation and detection ; More extensive hyphenation of molecular diagnostics assays ; Dedicated robotic methods ; Conclusion ; References ; Measurement of oxida tive DNA damage by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry ; lntroduction ; Measurement using mass spectrometric techniques ; Gas chromatography-mass spectrometry ; MateriaIs ; Sample preparation ; Instrumentation ; Measurement ; Liquid chromatography-mass spectrometry ; MateriaIs ; Sample preparation ; lnstrumentation ; Measurement ; Artifacts ; Oisclaimer ; References ; Utility of chemical derivatization schemes for peptide mass fingerprinting ; lntroduction ; Experimental methodology ; Band destaining and tryptic digestion prior to derivatizations ; Guanidination ; Esterification ; Database searching algorithms ; Random spectra generation and statistical analysis ; Results ; ldentification of a strong gel band ; ldentification of a weak gel band ; More complex gel bands ; Homologous proteins ; Advantages of esterification ; lnadequacy ofpeptide mass mapping ; Sample preparation issues ; Correlation between theoretical and experimental data ; Oiscussion ; Overview ofpeptide mass mapping data ; Problems with esterification for routine digest derivatizations ; Sources of chernical noise ; Multiple proteins in a gel spot ; Effect of guanidination and esterification on sensitivity ; Peptide ion fragmentation ; Comparison of Prodigies to other mass mapping algorithms ; Conclusions ; Acknowledgements ; References ; Oligosaccharides ; lntroduction ; Oligosaccharides from glycoproteins ; General aspects ; Glycoprotein purification and molecular mass measurement ; N-Glycosylation ; O-Glycosylation ; Quantitative aspects ; Oligosaccharides from other biological sources ; General aspects ; Milk oligosaccharides ; Glycolipids ; Oligosaccharides as degradation products ; Methods ; General ; Gel electrophoretic separations ; Capillary electrophoresis separations ; Anion exchange chromatography ; Affinity chromatography ; Summary and general considerations ; Acknowledgements ; References ; Hyphenated techniques in drug discovery: purity assessment, purification, quantitative analysis and metabolite identification ; Challenges associated with sample analysis and purification in support of early drug discovery ; Introduction ; Analysis in support of discovery chemistry ; Purification Df reaction mixtures ; Conclusion ; Quantitative bioanalysis ; Introduction ; In vitro samples ; In vivo samples ; LC-MS/MS ; Mass spectrometer robustness ; Traditional sample preparation techniques ; Automated preparation of in vitro and in vivo samples ; Conclusion ; Metabolite identification ; Introduction ; Sample generation ; Sample purification and concentration ; Se1ective analytical techniques ; Conclusion ; References ; Environrnental organic analytes ; Introduction ; Initial considerations ; Sampling of aqueous and solid environmental samples ; Sample storage, homogenisation and preservation ; Extraction of target compounds ; Extraction from aqueous samples ; Extraction from solid matrices samples (soil, sediment and sludge) ; Biota ; Extract clean-up ; Sample preparation for specific compound classes ; Polychlorinated and polybrominated compounds ; Surfactants ; Hormones and drugs ; Volatile organic compounds (VOCs) ; Conclusions and future trends ; Acknowledgements ; References ; From cells to instrumental analysis ; lntroduction ; Flow cytometry ; Capillary electrophoresis ; Whole single cell analysis ; Sing1e-cell injector ; Laser-induced fluorescence (LIF) detection ; Single cell gel electrophoresis (comet assay) ; Sampling ; Sampling acoustically levitated single cells ; High throughput single cell sampling and analysis ; Probing the cytoplasm of large cells ; Mass spectrometry for single cells and tissues ; Classical hyphenated techniques ; Laser capture microdissection ; Direct analysis of subcellular compartments by CE ; Acknowledgements ; References ; Studies on animal to instrument hyphenation: development of separation-based sensors for near real-time monitoring of drugs and neurotransmitters ; lntroduction ; Obtaining in vivo biological samples by classical techniques: lirnitations, challenges and other considerations ; Animal considerations ; Classical methods ofblood sampling ; Classical methods of tissue sampling ; Modero in vivo sampling techniques ; Automated blood sampling ; Ultrafiltration (UF) ; Microdialysis sampling ; Analytical methodologies for online rnicrodialysis sampling ; Nonseparation-based sensors ; Separation-based sensors ; Conclusions ; Acknowledgements ; References ; lndex.