A portable sensor that uses gold nanoparticles coated with specific organic compounds to detect levels of certain exhaled volatile substances can distinguish between the breath of patients with lung cancer and that of healthy controls, report scientists from Israel (Peng G et al. Nat Nanotechnol. doi:
10.1038/nnano.209.235 [published online ahead of print August 30, 2009]).
Stephenson J. Sniffing Out Lung Cancer?. JAMA. 2009;302(15):1640. doi:10.1001/jama.2009.1527