Surface Modification of Integrated Optical MZI Sensor Arrays Using Inkjet Printing Technology

E. Melnik, F. Strasser, P. Muellner, R. Heer, G.C. Mutinati, G. Koppitsch, P. Lieberzeit, M. Laemmerhofer, R. Hainberger, Zolnai Z. Battistig G. (Redakteur), Barsony I. (Redakteur)

Publikation: KonferenzbeitragPapierBegutachtung

Abstract

In order to enable local functionalisation of label-free optical waveguide biosensors in a cost effective mass-fabrication compatible manner, we investigate surface modification employing inkjet printing of a) functional polymers (biotin-modified polyethyleneimine (PEI-B)) to implement high receptor densities at the surface and b) UV-curable benzophenone dextran (benzo-dextran) to form a voluminous porous hydrogel matrix. The combination of these approaches on a single chip is promising for the detection of biomolecules. We evaluate these functional polymers and hydrogels on an integrated four-channel silicon nitride (Si3N4) waveguide based Mach-Zehnder interferometric (MZI) sensor platform operating at a wavelength of 850nm (TM-Mode). © 2016 The Authors. Published by Elsevier Ltd.
OriginalspracheEnglisch
Seiten337-340
DOIs
PublikationsstatusVeröffentlicht - 2016
Extern publiziertJa

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