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Fabrikation af kulstof nanorør High-Frequency Nanoelektroniske biosensor for Sensing i høj ionstyrke Solutions
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
DOI:

12:20 min

July 22, 2013

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Chapters

  • 00:05Title
  • 01:44Catalyst Patterning and Chemical Vapor Deposition Growth for Single-walled Carbon Nanotubes
  • 03:14SWNT Field-effect Transistor Fabrication
  • 04:28Chemical Functionalization of Carbon Nanotube Sidewalls
  • 05:11Preparation of Polydimethylsiloxane Mold for Fluid Chamber
  • 06:12Preparation of Microfluidic Flow Channel
  • 07:43AC Electrical Measurement Setup
  • 08:58Electrical Measurements in Solution: No Flow and Real Time Flow
  • 10:00Results: Functionalized SWNT FETs for High-Frequency Sensing of Biomolecules in High Ionic Strength Solutions
  • 11:55Conclusion

Summary

Automatic Translation

Vi beskriver enhedens fabrikation og måling protokol for kulstof nanorør baserede højfrekvente biosensorer. Den højfrekvente sensing teknik afbøder den grundlæggende ioniske (Debye) screening effekt og giver nanorør biosensor kan betjenes i høje ionstyrke løsninger, hvor konventionelle elektroniske biosensorer mislykkes. Vores teknologi giver en unik platform for point-of-care (POC) elektroniske biosensorer, der opererer i fysiologisk relevante betingelser.

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