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Calibrating Single Plasmonic Nanostructures For Quantitative Biosening

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Patent Identifier: 
20140095100

A method for calibrating multiple nanostructures in parallel for quantitative biosensing using a chip for localized surface plasmon resonance (LSPR) biosensing and imaging. The chip is a glass coverslip compatible for use in a standard microscope with at least one array of functionalized plasmonic nanostructures patterned onto it using electron beam nanolithography. The chip is used to collect CCD-based LSPR imagery data of each individual nanostructure and LSPR spectral data of the array. The spectral data is used to determine the fractional occupancy of the array. The imagery data is modeled as a function of fractional occupancy to determine the fractional occupancy of each individual nanostructure.