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SELECTBIO Conferences Microfluidics, Liquid Handling and LAB-ON-A-CHIP


Plasmonic-Enhanced Single- Molecule Detection

Steve Blair, Professor, University of Utah

The next generation of molecular diagnostics tools are targeted to have single molecule sensitivity. Plasmonic-enhanced fluorescence can be a key enabling factor in achieving this goal. Large-scale arrays of plasmonic structures meet the requirements of enhanced signal-to-background ratio in fluorescence detection, along with compatibility with existing instrumentation and surface chemistries. Fluorescence enhancement results from a combination of plasmonic mediated excitation and emission enhancement. Even though molecules are confined within a plasmonic structure, the spectral region of enhancement depends strongly on the metal. As such, we have been working with structures in Al, which is mass-production friendly and provides balanced enhancement throughout a broad spectrum, opening up a wider range of applications. Tuning of the relative enhancements can be accomplished by adjusting the shape of the plasmonic structures, opening up the UV spectral range where the native fluorescence of biomolecules can be accessed.

Add to Calendar ▼2017-01-18 00:00:002017-01-19 00:00:00Europe/LondonMicrofluidics, Liquid Handling and LAB-ON-A-CHIPMicrofluidics, Liquid Handling and LAB-ON-A-CHIP in