Mass spectrometry (MS) along with its hyphenated techniques is capable of high throughput, sensitivity, accuracy and selectivity for the analysis of structure and composition of almost any product. Like in electrophoresis, MS separates mo- cules based on the mass-to-charge ratio. In case of gel electrophoresis (SDS- PAGE), a well-known and efficient bioanalytical technique, proteins bear negative charges but have the same charge density, so proteins are separated according to their size. Similarly, in case of MS analysis, proteins carry the same charge, and are separated by their molecular weight. Unlike SDS-PAGE, however, modern ultra high resolution MS discerns very small mass differences and can resolve and completely identify in a single experiment species of the same nominal mass in complex biological mixtures. Consequently, MS can be used for the structural characterization, identification and sensitive detection of mixtures of biomolecules or for assessing the quality of isolated proteins (purity, integrity, or post-translational modifications, for example), carbohydrates, nucleic acids, drugs, metabolites, pollutants etc. In the post-genome era, MS is continuously developing as one of the most re- able analytical method for elucidating the structure of molecules originating from various biological matrices. The potential of MS for high-sensitive structural a- lyses became unsurpassable after the introduction of electrospray (ESI) and matrix assisted laser/desorption ionization (MALDI) methods, on one hand, and the pos- bility to deduce in detail unknown biopolymer structures by highly accurate mo- cular mass measurement followed by sequencing using dissociation techniques based on multiple stage MS, on the other.

Mass spectrometry use to 'Omics' Mass Ssectrometry for immunology Mass Spectrometry use for controlling the environment Mass spectrometry for chemical structure identification

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Proteomics and Peptidomics.- Blue Native PAGE and Mass Spectrometry Analysis of Ephrin Stimulation-Dependent Protein-Protein Interactions in NG108-EphB2 Cells.- Structure, Processing, and Polymerization of Rainbow Trout Egg Vitelline Envelope Proteins.- MALDI/MS Comparison of Fe-NTA Immobilized Metal Affinity Chromatography and Commercially-Available Metal Oxide Affinity Resins for Phosphopeptide Enrichment.- Molecular Recognition Specificity of anti-3-nitrotyrosine Antibodies Revealed by Affinity-Mass Spectrometry and Immunoanalytical Methods.- Lipidomics.- Mapping and Sequencing of Gangliosides from Anencephaly by Electrospray Ionization High Capacity Ion Trap Mass Spectrometry.- Glycomics.- Structural Analysis of Chondroitin Sulfate Disaccharides by Electrospray Ionization High Capacity Ion Trap Mass Spectrometry.- Application of High Performance Mass Spectrometry to Structural Analysis of Glycosaminoglycan Oligosaccharides.- Site Specific Identification of N-Linked Glycosylation in Proteins by Liquid ChromatographyElectrospray Ionization Tandem Mass Spectrometry.- Immunology.- Characterization of Immune Responses to Pathogen Challenge by Ms-Based Epitope Mapping.- Chemical Surface Modification and Chemical Crosslinking Combined with Mass Spectrometry for Protein Tertiary Structural Information.- Small Molecules.- Brominated Flame Retardants: Analytical, Toxicological and Environmental Aspects.- Stereochemistry Studies of Some 1,3-dioxane Derivatives by Differential Mass Spectrometry and Computational Chemistry.- MALDI-TOF Mass Spectrometry in Textile Industry.- MALDI MS in Analysis of Keratin Fibre Proteins.- Electrospray Ionization Tandem Mass Spectrometric Investigation of Essential Oils from Melissa officinalis (Labiatae Family) and Pellargonium ssp.(Geraniaceae Family).- Chemical Structure Identification by Differential Mass Spectra.