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Surface plasmon resonance mass spectrometry: recent progress and outlooks
Dobrin Nedelkov1, Randall W Nelson
1Intrinsic Bioprobes, 625 South Smith Rd, Suite 22, Tempe, AZ 85281, USA. dnedelkov@intrinsicbio.com
Trends in Biotechnology
|July 3, 2003
Summary
Surface Plasmon Resonance (SPR) coupled with Mass Spectrometry (MS) offers a powerful method for protein analysis. This SPR-MS technique advances protein interaction quantification and structural determination for high-throughput discovery.
Area of Science:
- Biochemistry
- Analytical Chemistry
- Proteomics
Background:
- Surface Plasmon Resonance (SPR) quantifies protein-ligand interactions.
- Mass Spectrometry (MS) elucidates bound protein structures.
- Combining SPR and MS provides a comprehensive approach to protein analysis.
Purpose of the Study:
- To highlight recent advancements in SPR-MS technology.
- To discuss the potential of SPR-MS in high-throughput protein interaction discovery.
- To explore the application of SPR-MS in miniaturized diagnostics.
Main Methods:
- Utilizing Surface Plasmon Resonance (SPR) for real-time interaction quantification.
- Employing Mass Spectrometry (MS) for structural characterization of interacting proteins.
- Integrating SPR with MS for enhanced protein investigation.
Main Results:
- Recent progress has improved SPR-MS methods, detection limits, and analytical capabilities.
- The technique enables multi-protein analysis and protein-complex delineation.
- Development of SPR protein arrays is paving the way for new applications.
Conclusions:
- SPR-MS is a powerful, integrated approach for detailed protein studies.
- Advancements position SPR-MS for high-throughput protein interaction discovery.
- Future applications include miniaturized diagnostics and complex biological system analysis.