Disulfide Bond Mapping by Cyanylation-induced Cleavage and Mass Spectrometry.- Detection of Post-translational Modifications by Fluorescent Staining of Two-Dimensional Gels.- Identification of Protein Phosphorylation Sites by Advanced LC-ESI-MS/MS Methods.- Analysis of Tyrosine-O-Sulfation.- ?-Amidated Peptides: Approaches for Analysis.- ?-Glutamate and ?–Hydroxyaspartate in Proteins.- Lysine Hydroxylation and Cross-linking of Collagen.- Mass Spectrometric Determination of Protein Ubiquitination.- Analysis of Sumoylation.- Detection and Analysis of Protein ISGylation.- Analysis of Methylation, Acetylation, and other Modifications in Bacterial Ribosomal Proteins.- Analysis of S-Acylation of Proteins.- Metabolic Labeling and Structural Analysis of Glycosylphosphatidylinositols from Parasitic Protozoa.- 2-Dimensional Electrophoresis: Detection of Glycosylation and Influence on Spot Pattern.- Carbohydrate Composition Analysis of Glycoproteins by HPLC Using Highly Fluorescent Anthranilic Acid (AA) Tag.- Enzymatical Hydrolysis of N-Glycans from Glycoproteins and Fluorescent Labeling by 2-Aminobenzamide (2-AB).- Separation of N-Glycans by HPLC.- Enzymatic Sequence Analysis of N-Glycans by Exoglycosidase Cleavage and Mass Spectrometry – detection of Lewis X Structures.- Immunochemical Methods for the Rapid Screening of the O-Glycosidically Linked N-Acetylglucosamine Modification of Proteins.- Analysis of O-Glycosylation.- Characterization of Site-specific N-Glycosylation.- Monitoring Glycosylation of Therapeutic Glycoproteins for Consistency by HPLC Using Highly Fluorescent Anthranilic Acid (AA) Tag.- Comparability and Monitoring Immunogenic N-linked Oligosaccharides from Recombinant Monoclonal Antibodies from Two Different Cell Lines using HPLC with FluorescenceDetection and Mass Spectrometry.- Mass Spectrometry and HPLC with Fluorescent Detection-Based Orthogonal Approaches to Characterize N-Linked Oligosaccharides of Recombinant Monoclonal Antibodies.- Web-based Computational Tools for the Prediction and Analysis of Post-translational Modifications of Proteins.