Chapter 13

High-Resolution Mass Spectrometry and Drug Metabolite Identification

Russell J. Mortishire-Smith

Russell J. Mortishire-Smith

Janssen Pharmaceutical Companies of Johnson & Johnson, B-2340 Beerse, Belgium

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Haiying Zhang

Haiying Zhang

Department of Biotransformation, Bristol-Myers Squibb Research & Development, Pennington, New Jersey, USA

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Kevin P. Bateman

Kevin P. Bateman

Drug Metabolism and Pharmacokinetics, Merck Frosst Canada Ltd., Quebec, H9H 3L1 Canada

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First published: 14 March 2011
Citations: 6

Summary

This chapter contains sections titled:

  • Introduction

  • Challenges Presented by Different Samples

  • Fundamental Advantage of High-Resolution Mass Spectrometry: Specificity/Selectivity in a Single Generic Method

  • High-Resolution Mass Spectrometry: Important Concepts

  • High-Resolution Instrumentation

  • Advantages of High-Resolution MS: The Concept of Mass Defect Filtration

  • Postprocessing Strategies for Identifying Metabolites in Complex High- Resolution Data Sets

  • Control Comparison

  • Background Subtraction

  • Isotope Filtration

  • “All-in-One” Data Analysis

  • Rationalization of Novel Metabolites

  • Assigning Product Ion Spectra Using the Power of Accurate Mass

  • Localization: The Final Frontier

  • Quantitative and Qualitative In Vivo Pharmacokinetic Data from a Single Injection per Sample

  • Future Opportunities

  • References

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