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New transducer material concepts for biosensors and surface functionalization
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2817-3574
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Chemistry. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
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2009 (English)In: Smart Sensors, Actuators,and MEMS IV / [ed] Ulrich Schmid, Carles Cané, Herbert Shea, Bellingham, WA United States: SPIE - International Society for Optical Engineering, 2009, Vol. 7362, 736206- p.Conference paper, Published paper (Refereed)
Abstract [en]

Wide bandgap materials like SiC, ZnO, AlN form a strong platform as transducers for biosensors realized as e.g. ISFET (ion selective field effect transistor) devices or resonators. We have taken two main steps towards a multifunctional biosensor transducer. First we have successfully functionalized ZnO and SiC surfaces with e.g. APTES. For example ZnO is interesting since it may be functionalized with biomolecules without any oxidation of the surface and several sensing principles are possible. Second, ISFET devises with a porous metal gate as a semi-reference electrode are being developed. Nitric oxide, NO, is a gas which participates in the metabolism. Resistivity changes in Ga doped ZnO was demonstrated as promising for NO sensing also in humid atmosphere, in order to simulate breath.

Place, publisher, year, edition, pages
Bellingham, WA United States: SPIE - International Society for Optical Engineering, 2009. Vol. 7362, 736206- p.
Series
Proceedings of SPIE - International Society for Optical Engineering, ISSN 0277-786X ; Vol. 7362
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-21212DOI: 10.1117/12.821662ISI: 000299794400006ISBN: 9780819476364 (print)OAI: oai:DiVA.org:liu-21212DiVA: diva2:240929
Conference
Smart Sensors, Actuators and MEMS IV, Dresden, Germany, 4–6 May 2009
Note

Original Publication: Anita Lloyd Spetz, Ruth Pearce, Linnea Hedin, Volodymyr Khranovskyy, Fredrik Söderlind, Per-Olov Käll, Rositsa Yakimova and Kajsa Uvdal, New transducer material concepts for biosensors and surface functionalization, Proceedings of SPIE - The International Society for Optical Engineering, ed Ulrich Schmid , 7362, 736206, 2009. http://dx.doi.org/10.1117/12.821662 Copyright 2009 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Available from: 2009-09-30 Created: 2009-09-30 Last updated: 2015-05-29Bibliographically approved

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Lloyd Spetz, AnitaPearce, RuthHedin, LinneaKhranovskyy, VolodymyrSöderlind, FredrikKäll, Per-OlovYakimova, RositsaUvdal, Kajsa

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Lloyd Spetz, AnitaPearce, RuthHedin, LinneaKhranovskyy, VolodymyrSöderlind, FredrikKäll, Per-OlovYakimova, RositsaUvdal, Kajsa
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Applied PhysicsThe Institute of TechnologyChemistrySemiconductor MaterialsMolecular PhysicsPhysical ChemistryMolecular Surface Physics and Nano ScienceFaculty of Science & Engineering
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