Large-Scale Parallel Surface Functionalization of Goblet-type Whispering Gallery Mode Microcavity Arrays for Biosensing Applications

A novel surface functionalization technique is presented for large‐scale selective molecule deposition onto whispering gallery mode microgoblet cavities. The parallel technique allows damage‐free individual functionalization of the cavities, arranged on‐chip in densely packaged arrays. As the stamp...

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Veröffentlicht in:	Small (Weinheim an der Bergstrasse, Germany) Germany), 2014-10, Vol.10 (19), p.3863-3868
Hauptverfasser:	Bog, Uwe, Brinkmann, Falko, Kalt, Heinz, Koos, Christian, Mappes, Timo, Hirtz, Michael, Fuchs, Harald, Köber, Sebastian
Format:	Artikel
Sprache:	eng
Schlagworte:	aligned microcontact stamping Arrays Bearing biosensing Biosensing Techniques - methods Damage Deposition Fluorescent Dyes - chemistry Glass Holes Microcavities microlasers Microscopy - instrumentation Microscopy, Fluorescence multiplexed surface functionalization Nanotechnology Phosphatidylcholines - chemistry Phospholipids Phospholipids - chemistry Silicon - chemistry Surface Properties whispering gallery mode resonators Whispering gallery modes
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Beschreibung
Zusammenfassung:	A novel surface functionalization technique is presented for large‐scale selective molecule deposition onto whispering gallery mode microgoblet cavities. The parallel technique allows damage‐free individual functionalization of the cavities, arranged on‐chip in densely packaged arrays. As the stamp pad a glass slide is utilized, bearing phospholipids with different functional head groups. Coated microcavities are characterized and demonstrated as biosensors.
ISSN:	1613-6810 1613-6829
DOI:	10.1002/smll.201400813