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制备碳纳米管高频纳电子生物传感器的传感高离子强度的解决方案
JoVE Journal
Bioingegneria
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JoVE Journal Bioingegneria
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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Capitoli

  • 00:05Titolo
  • 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

Traduzione automatica

我们描述了基于碳纳米管的高频生物传感器的设备制造和测量协议。高频感应技术减轻了根本的离子(德拜)的屏蔽效应,并允许碳纳米管传感器工作在高离子强度的解决方案,在传统的电子生物传感器失败。我们的技术提供了一个独特的平台,为护理点(POC)在生理条件下运行的电子生物传感器。

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