n - Fachhochschule Jena
n - Fachhochschule Jena
n - Fachhochschule Jena
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FBG Plasmon Biosensing Using<br />
Metallic Nanoparticles<br />
DNA receptors<br />
Sensor FBG, period Λ<br />
DNA marked<br />
Au Nano-beads, ∅ 30 nm<br />
∆λ B = 2·∆n eff(n A)·Λ<br />
Example: Fiber-optic evanescent field DNA detection<br />
→ Bragg wavelength shift ∆λ B due to localized surface plasmon<br />
resonance (SPR) of adsorbed DNA-marked Au nano-beads<br />
→ high sensitivity, multiplexing capability, intrinsic temperature control<br />
FOS - 83
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