Laser pinpoints salmonella; Oil-free emulsions

Laser pinpoints Salmonella
Purdue University researchers have developed a laser sensor that can identify Salmonella bacteria grown from food samples about three times faster than conventional detection methods. Known as BARDOT (pronounced bar-DOH), the machine uses a laser beam to scan bacteria colonies and generate a distinct black and white "fingerprint" by which they can be identified. BARDOT takes less than 24 hrs to pinpoint Salmonella.

"BARDOT allows us to detect Salmonella much earlier an…