Current detection tools using nanotechnology allow high-speed molecular detection of pathogens through analysis of their DNA in a matter of a few minutes where classical detection tools using regular PCR (polymerase chain reaction) would take over six hours.

FORBES: Nanotech Takes On Homeland Terror

For molecular diagnostic tests Beckman Coulter has developed a nucleic-acid- sample detection instrument that separates fluorescent-dye-labeled DNA fragments for pattern recognition or further identification.

FORBES: Investment Guide