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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper JSIV1_2

Label-free DNA detection with PNA modified long period fiber grating-based sensor

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Abstract

Long Period Fiber Gratings (LPFGs) are devices that can be exploited for several sensing applications [1], since they exhibit great potential in the detection of biomolecules and different chemical agents [2]. In fact, the presence of a layer of biomolecules involves a change in the refractive index and/or loss of the medium surrounding the LPFG and a consequent shift of the grating resonance wavelength, which can be exploited to perform an accurate detection, without the need of labeling.

© 2011 IEEE

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