Intact Protein LC-MS: How to Overcome the Challenges?
Poster Jun 10, 2014
Robert van Ling, Evert-Jan Sneekes, Sebastiaan Dolman, Laurent Rieux, Mauro DePra, Christian Ravnsborg, Dafydd Milton, Remco Swart
Mass-spectrometry-based protein characterization finds two major applications in top-down proteomics and biopharma analysis of recombinant proteins, antibodies and other biotherapeutics. However, analysis of high-molecular-weight proteins can be challenging. The methodology chosen should minimize common problems in protein analysis such as degradation, poor recovery, broad elution profiles, poor ionization efficiency, ion sensitivity, and resolution. To address these performance challenges, we compared different prototype column-spray interfaces.
A New Tool for the Automated Sample Preparation of Whole Blood Samples by LC-MS using a Commercial AutosamplerPoster
Automated sample preparation reduces the costs per sample and minimizes sample handling errors. Usually expensive and highly specialized pipetting robots are used. However, most of these systems are not designed with a direct interface for LC-MS applications. In addition common pipetting systems are not optimized for smaller scale sample series. Here we present a new tool for liquid handling of whole blood samples and direct sample injection.
Multi-Residue Pesticide Analysis in Food Matrices Using Ultivo Triple Quad LC/MSPoster
Regulatory agencies have set maximum residue levels for hundreds of pesticides and their metabolites in foods.READ MORE
Analysis of Mycotoxins in Food Matrices using the Innovative Ultivo Triple Quad LC/MSPoster
A study demonstrating the accuracy and sensitive quantification of up to 12 regulated mycotoxin compounds in three commonly regulated foods.READ MORE
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