Amino Acid Analysis

Rapid LC−MS/MS Profiling of Protein Amino Acids and Metabolically Related Compounds for Large-Scale Assessment of Metabolic Phenotypes.- Combination of an AccQ·Tag-Ultra Performance Liquid Chromatographic Method with Tandem Mass Spectrometry for the Analysis of Amino Acids.- Isotope Dilution Liquid Chromatography-Tandem Mass Spectrometry for Quantitative Amino Acid Analysis.- Analysis of Underivatized Amino Acids: Zwitterionic Hydrophilic Interaction Chromatography Combined with Triple Quadrupole Tandem Mass Spectrometry.- Amino Acid Analysis via LC–MS Method after Derivatization with Quaternary Phosphonium.- Amino Acid Analysis by Hydrophilic Interaction Chromatography Coupled with Isotope Dilution Mass Spectrometry.- A Universal HPLC-MS Method to Determine the Stereochemistry of Common and Unusual Amino Acids.- Amino Acid Analysis by Capillary Electrophoresis-Mass Spectrometry.- New Advances in Amino Acid Profiling by Capillary Electrophoresis-Electrospray Ionization-Mass Spectrometry (CE-ESI-MS).- Optimal Conditions for the Direct RP-HPLC Determination of Underivatized Amino Acids with On-line Multiple Detection.- Absolute Quantitation of Proteins by Acid Hydrolysis Combined with Amino Acid Detection by Mass Spectrometry.- Amino Acid Analysis by Means of MALDI TOF Mass Spectrometry or MALDI TOF/TOF Tandem Mass Spectrometry.- Heptafluorobutyl Chloroformate-based Sample Preparation Protocol for Chiral and Nonchiral Amino Acid Analysis by Gas Chromatography.- The EZ:Faast Family of Amino Acid Analysis Kits: Application of the GC-FID Kit for Rapid Determination of Plasma Tryptophan and other Amino Acids.- Amino Acid Analysis in Physiological Samples by GC-MS with Propyl chloroformate Derivatization and iTRAQ-LC-MS/MS.- Automated Analysis of Primary Amino Acids in Plasma by High-Performance Liquid Chromatography.- RP-LC of Phenylthiocarbamyl Amino Acid Adducts (PTC-AAs) in Plasma Acetonitrile Extracts: Use of Multiple Internal Standards and VariableWavelength UV Detection.- Quantification of Underivatized Amino Acids on Dry Blood Spot, Plasma and Urine by HPLC-ESI-MS/MS.- Capillary Electrophoresis of Free Amino Acids in Physiological Fluids without Derivatization Employing Direct or Indirect Absorbance Detection.- Measurement of 3-nitro-tyrosine in Human Plasma and Urine by Gas Chromatography-Tandem Mass Spectrometry.- Analysis of Hydroxyproline in Collagen Hydrolysates.- Innovative and Rapid Procedure for 4-hydroxyproline Determination in Meat-based Foods.- Multiple Reaction Monitoring for the Accurate Quantification of Amino Acids: Using Hydroxyproline to Estimate Collagen Content.- Sequential Injection Chromatography for Fluorimetric Determination of Intracellular Amino Acids in Marine Microalgae.- Direct Analysis of Underivatized Amino Acids in Plant Extracts by LC-MS-MS.- Wheat Gluten Amino Acid Analysis by High-Performance Anion-Exchange Chromatography with Integrated Pulsed Amperometric Detection.- Preparative HPLC Separation of Underivatized Amino Acids for Isotopic Analysis.- Quantification of Amino Acids in a Single Cell by Microchip Electrophoresis with Chemiluminescence Detection.