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High-throughput chiral liquid chromatography/tandem mass spectrometry
1Department of Drug Metabolism and Pharmacokinetics, Novartis Institute for Biomedical Research, East Hanover, NJ 07936, USA. ray.bakhtiar@pharma.novartis.com
Rapid Communications in Mass Spectrometry : RCM
|June 27, 2000
Summary
This study explores bonded macrocyclic glycopeptide phases for chiral liquid chromatography/tandem mass spectrometry. These phases offer a faster, more efficient method for analyzing drug enantiomers in bioanalysis.
Area of Science:
- Bioanalytical Chemistry
- Pharmacokinetics
- Chromatographic Method Development
Background:
- Chiral liquid chromatography is crucial for drug discovery, requiring enantiomer-specific pharmacokinetic understanding.
- Current chiral LC methods are often empirical and time-consuming.
- There's a need for faster, MS-compatible chiral separation techniques with broad applicability.
Purpose of the Study:
- To evaluate bonded macrocyclic glycopeptide phases (teicoplanin, vancomycin) for chiral liquid chromatography/tandem mass spectrometry (LC/MS/MS).
- To develop an efficient and robust method for enantiomer analysis in biological samples.
Main Methods:
- Utilized bonded teicoplanin and vancomycin stationary phases for chiral LC/MS/MS.
- Tested a range of chiral analytes including ritalinic acid, pindolol, fluoxetine, and others.
- Employed methanol as an MS-compatible mobile phase.
Main Results:
- Demonstrated the feasibility of using macrocyclic glycopeptide phases for chiral LC/MS/MS.
- Achieved simultaneous chiral LC/MS/MS detection of four pharmaceutical products within a 10-minute run time.
- Obtained baseline resolution for all tested enantiomeric pairs.
Conclusions:
- Bonded macrocyclic glycopeptide phases are effective for rapid and sensitive chiral LC/MS/MS analysis.
- This approach simplifies method development and improves efficiency in enantiomer determination.
- The developed method is suitable for analyzing multiple chiral drugs simultaneously.