Arrays of Nano-Electromechanical Biosensors Functionalized by Microcontact Printing

Details Arrays of Nano-Electromechanical Biosensors Functionalized by Microcontact Printing Arrays of Nano-Electromechanical Biosensors Functionalized by Microcontact Printing

2012-02-23

arxiv.org/abs/1202.5137v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

20 pages, 5 figures

Scientific paper

The biofunctionalization of nanoelectromechanical structures is critical for the development of new classes of biosensors displaying improved performances and higher-level of integration. We propose a modified microcontact printing method for the functionalization and passivation of large arrays of nanocantilevers in a single, self-aligned step. Using fluorescence microscopy and resonant frequency measurements, we demonstrate (1) the bioactivity and the anti-fouling property of deposited antibodies and BSA molecules and (2) the preservation of the nanostructures' mechanical integrity.

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