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Sensors 2012, 12(11), 14604-14611; https://doi.org/10.3390/s121114604

Performance of Eudragit Coated Whispering Gallery Mode Resonator-Based Immunosensors

1
Istituto di Fisica Applicata Nello Carrara (IFAC CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Firenze, Italy
2
Centro Studi e Ricerche e Museo Storico della Fisica Enrico Fermi, Piazza del Viminale 1, 00184 Roma, Italy
*
Author to whom correspondence should be addressed.
Received: 26 September 2012 / Revised: 24 October 2012 / Accepted: 25 October 2012 / Published: 30 October 2012
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy 2012)
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Abstract

Whispering gallery mode resonators (WGMR) are an efficient tool for the realization of optical biosensors. A high Q factor preservation is a crucial requirement for good biosensor performances. In this work we present an Eudragit®L100 coated microspherical WGMR as an efficient immunosensor. The developed resonator was morphologically characterized using fluorescence microscopy. The functionalization process was tuned to preserve the high Q factor of the resonator. The protein binding assay was optically characterized in terms of specificity in buffer solution. View Full-Text
Keywords: whispering gallery mode resonators; immunosensors; Eudragit whispering gallery mode resonators; immunosensors; Eudragit
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Giannetti, A.; Berneschi, S.; Baldini, F.; Cosi, F.; Conti, G.N.; Soria, S. Performance of Eudragit Coated Whispering Gallery Mode Resonator-Based Immunosensors. Sensors 2012, 12, 14604-14611.

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