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MALDI TOF mass spectrometry: an emerging platform for genomics and diagnostics
1Sequenom, Inc., 3595 John Hopkins Court, San Diego, CA 92121, USA. jleushner@sequenom.com
Expert Review of Molecular Diagnostics
|March 21, 2002
Summary
Matrix-assisted laser desorption/ionization-time of flight (MALDI TOF) mass spectrometry is a key tool for analyzing large molecules like proteins and nucleic acids. Its high accuracy in mass measurements ensures quality control in synthesis and reduces the need for repeat testing.
Area of Science:
- Analytical Chemistry
- Biochemistry
- Molecular Biology
Background:
- Matrix-assisted laser desorption/ionization-time of flight (MALDI TOF) mass spectrometry is increasingly utilized for large molecule analysis.
- This technique is well-suited for assessing the sequence, structure, and purity of proteins and nucleic acids.
Purpose of the Study:
- To highlight MALDI TOF mass spectrometry as a preferred method for quality assurance in synthesizing oligonucleotides and peptides.
- To emphasize the role of exact mass measurements and signal intensity in ensuring assay accuracy.
Main Methods:
- Utilizing MALDI TOF mass spectrometry for the analysis of large biomolecules.
- Performing exact mass measurements and signal intensity detection.
Main Results:
- MALDI TOF provides a high degree of quality assurance for measurements.
- The accuracy of MALDI TOF can significantly decrease the number of indeterminate assays requiring retesting.
Conclusions:
- MALDI TOF mass spectrometry is an essential tool for quality control in biomolecule synthesis.
- The precision of this method enhances the reliability of analytical results and reduces laboratory costs.