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Human α-thrombin detection platform using aptamers on a silicon nanowire field-effect transistor

  • Lotta Römhildt
  • , Felix Zörgiebel
  • , Bergoi Ibarlucea
  • , Maryam Vahdatzadeh
  • , Larysa Baraban
  • , Gianaurelio Cuniberti
  • , Sebastian Pregl
  • , Walter M. Weber
  • , Thomas Mikolajick
  • , Jörg Opitz
  • Technische Universität Dresden
  • Fraunhofer Institute for Ceramic Technologies and Systems

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

4 Citas (Scopus)

Resumen

We present a silicon nanowire-based field-effect transistor biosensor with Schottky barriers for highly specific and sensitive human α-thrombin detection. The active sensor area is decorated with thrombin-binding aptamers as receptor molecules. Each sensor chip is integrated into a microfluidic device for flow-through measurements. Instantaneous detection is provided by real-time monitoring of FET transfer curves. With this approach, thrombin concentrations between 200 pM and 200 nM are detected in a label-free, real-time manner, covering a wide dynamic range and enabling to distinguish between healthy and pathological levels. The development of simple, miniaturized devices for blood protein detection is highly interesting for medical diagnostics.

Idioma originalInglés
Título de la publicación alojada2017 27th International Symposium on Power and Timing Modeling, Optimization and Simulation, PATMOS 2017
EditorialInstitute of Electrical and Electronics Engineers Inc.
Páginas1-4
Número de páginas4
ISBN (versión digital)9781509064625
DOI
EstadoPublicada - 13 nov 2017
Publicado de forma externa
Evento27th International Symposium on Power and Timing Modeling, Optimization and Simulation, PATMOS 2017 - Thessaloniki, Grecia
Duración: 25 sept 201727 sept 2017

Serie de la publicación

Nombre2017 27th International Symposium on Power and Timing Modeling, Optimization and Simulation, PATMOS 2017
Volumen2017-January

Conferencia

Conferencia27th International Symposium on Power and Timing Modeling, Optimization and Simulation, PATMOS 2017
País/TerritorioGrecia
CiudadThessaloniki
Período25/09/1727/09/17

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