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Double Tilted Fiber Bragg Grating for label-free DNA detection

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11 Author(s)
Candiani, A. ; Inf. Eng. Dept., Univ. of Parma, Parma, Italy ; Sozzi, M. ; Coscelli, E. ; Poli, F.
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We present a new approach for developing a label-free biosensor for detection of DNA. The biosensor based on a biofunctionalized Double Tilt Fiber Bragg Grating transduces the presence of DNA into a change of visibility of fringes of its interference spectrum. Real-time spectral measurement results are reported, showing that a 10nM DNA solution induces a 10% modulation of the corresponding fringes visibility.

Published in:

BioPhotonics, 2011 International Workshop on

Date of Conference:

8-10 June 2011