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Fourier-transform surface plasmon resonance (FT-SPR*) systems perform wavelength scanning SPR detection in the near infra-red. Benefits of FT-SPR analysis include:
High sensitivity. Capabilities include detection of film thickness changes of <1Å, the binding of small molecules to immobilized proteins, and low affinity molecular interactions.
The greatest dynamic range of any commercially available SPR system. Operating from ~11,000 to 6,000
cm-1, the SPR 100 captures quantitative data for major surface changes as well as subtle ones.
Scope for applying SPR analysis to a diverse range of applications. The broad scope is due to the combination of broad spectral range with broad incident light angles from ~40-70°. Measurements can be made in liquid or in gas phases, and on metals or conducting metal oxides (CMOs), further expanding the usefulness of the system.
Applications of FT-SPR analysis include the quantitative characterization of:
  • Protein-protein, protein-ligand and protein-nucleic acid interactions
  • Antibody-antigen interactions
  • Langmuir-Blodgett films
  • Self-assembled monolayers
  • Organic thin films
Whether your interests are in biomolecular interactions, development of surface chemistries, or analysis of surface films, Fourier-Transform SPR analysis provides a powerful approach to quantitative measurement.
Product Details
For the ultimate in convenience, GWC Technologies and ThermoFisher Scientific have developed an integrated system that combines FT-SPR detection with Thermo’s top-of-the-line FT-IR spectrometers. For information on this integrated system please contact
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*US Patent 6,330,062
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