Dublin City University

Nirod Kumar Sarangi

Tia Keyes

Rokas Sakalys

Agata Steplewska

Aurelien Gimenez

Kiang Wei Kho

A method of assaying the interaction of a molecule and a lipid bilayer is described. The method employs a microfluidic device comprising a substrate having at least one concave microcavity with a metallic surface defining an aperture and a liquid disposed within the microcavity, a lipid bilayer suspended across the aperture, and a microfluidic channel containing a liquid disposed on top of the substrate in fluid communication with the lipid bilayer. The method comprises the steps of passing a liquid containing a test molecule across the microfluidic channel, and monitoring lipid bilayer molecule interactions by plasmonically enhanced Raman or fluorescence spectroscopy configured for plasmonic enhancement of a detection signal evolving from the test molecule or lipid bilayer. Also described in a microfluidic device configured to perform the method of the invention.

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Dublin, Ireland

Nirod Kumar Sarangi