CD players could serve as cheap lab tools | Science News

SUPPORT SCIENCE NEWS

Science News is a nonprofit.

Help us keep you informed.


News

CD players could serve as cheap lab tools

By
11:37am, October 15, 2007

The average home-entertainment disc player is good for audio and video, but a talented hacker could apparently expand the machine's horizons to include medical diagnoses and chemical tests.

Normally, the devices' lasers scan a CD (compact disc) or DVD (digital video disc) for microscopic bumps that encode sounds and images. Analytical chemist Angel Maquieira of the Polytechnic University of Valencia in Spain and his colleagues reasoned that the system could be modified to detect certain chemicals in lab samples as well, and would be much cheaper than the $40,000-to-$80,000 portable microarray detectors usually used.

The scientists coated blank CDs with dots containing antibodies mixed with various chemicals. The antibodies were designed to darken

This article is only available to Science News subscribers. Already a subscriber? Log in now. Or subscribe today for full access.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content