Sol–Gel-Based Titania–Silica Thin Film Overlay for Long Period Fiber Grating-Based Biosensors

An evanescent wave optical fiber biosensor based on titania–silica-coated long period grating (LPG) is presented. The chemical overlay, which increases the refractive index (RI) sensitivity of the sensor, consists of a sol–gel-based titania–silica thin film, deposited along the sensing portion of th...

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Veröffentlicht in:	Analytical chemistry (Washington) 2015-12, Vol.87 (24), p.12024-12031
Hauptverfasser:	Chiavaioli, Francesco, Biswas, Palas, Trono, Cosimo, Jana, Sunirmal, Bandyopadhyay, Somnath, Basumallick, Nandini, Giannetti, Ambra, Tombelli, Sara, Bera, Susanta, Mallick, Aparajita, Baldini, Francesco
Format:	Artikel
Sprache:	eng
Schlagworte:	Binding Biological Assay Biosensing Techniques - instrumentation Biosensing Techniques - methods Biosensors Copolymers Dip coatings Fibers Humans Immunoglobulins - blood LPG Reproducibility of Results Sensitivity and Specificity Sensors Silica Silica Gel - chemistry Sol gel process Surface Properties Thin films Titanium - chemistry Viscosity
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