Optical Sensors Based on S-Layer Proteins

Optical Sensors Based on S-Layer Proteins

In this paper the use of a special class of self assembling protein materials for optical sensor technology is discussed. These S-layer proteins were reassembled into well defined nanostructures on solid sensor surfaces. The covalent immobilization of fluorescent dyes onto these protein structures w...

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Bibliographische Detailangaben
Hauptverfasser: Kostler, Stefan, Konrad, Christian, Suppan, Michael, Bizzarri, Alessandro, Scheicher, Sylvia, Ribitsch, Volker, Kainz, Birgit, Pum, Dietmar, Sleytr, Uwe B.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Biosensors
Chemistry
Fluorescence
Lattices
Luminescence
Optical materials
Optical sensors
Protein engineering
Solids
Surface morphology
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Beschreibung
Zusammenfassung:In this paper the use of a special class of self assembling protein materials for optical sensor technology is discussed. These S-layer proteins were reassembled into well defined nanostructures on solid sensor surfaces. The covalent immobilization of fluorescent dyes onto these protein structures was investigated. Following this approach a new oxygen sensitive system based on S-layers functionalized with Pt(II) metalloporphyrin is described. A luminescence lifetime based measurement system for dissolved oxygen sensing was successfully developed.
ISSN:1930-0395
2168-9229
DOI:10.1109/ICSENS.2007.4388470