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Breathalyzer sniffs lung cancer markers

  October 13/20, 2008
Coat a random tangle of carbon nanotubes with the right molecules and you have a breathalyzer that can detect the chemical markers of lung cancer.

The volatile organic compounds found in the breath of lung cancer patients change the electrical resistance of a random network of single-walled carbon nanotubes coated with short organic molecules.

The coated nanotube network could be used in a breath analyzer designed to diagnose lung cancer.

Research paper:
Detecting Simulated Patterns of Lung Cancer Biomarkers by Random Network of Single-Walled Carbon Nanotubes Coated with Nonpolymeric Organic Materials
Nano Letters, published online October 8, 2008

Researchers' homepage:
Laboratory Nanomaterial Based Devices, Technion - Israel Institute of Technology

Related stories and briefs:
Laser sniffs explosives -- related research
Tiny transistors sniff chemicals -- related research

Back to TRN October 13/20, 2008

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