American Chemical Society's Weekly PressPac -- March 19, 2008

Researchers in New York are reporting an advance toward a new generation of ultra-powerful computers built from DNA and enzymes, rather than transistors, silicon chips, and plastic. Their report on development of a key component for these “biomolecular computers” is scheduled for the March 26 issue of ACS’ Journal of the American Chemical Society, a weekly publication.

In the new study, Evgeny Katz and colleagues describe development of a chemical “keypad lock,” one of the first chemical-based security systems of its kind. The researchers note that years of effort have gone into developing biomolecular computers, which rely on chemical reactions rather than silicon chips to perform logic functions. Among their uses would be encryption of financial, military, and other confidential information. Only individuals with access to a secret “key” — a chemical key — could unlock the file and access the data.

The research by Katz and colleagues solved one part of this technological challenge: The security code. They identified a series of naturally occurring chemical reactions that act as a “keypad lock.” In laboratory studies, they demonstrated that by adding the correct series of chemicals, the lock could be opened to access the computer. On the other hand, adding the incorrect chemicals to the system acts as a wrong password and prevents access to the computer, they say.

“In addition to the biomolecular security applications, the enzyme-based implication logic networks will be extremely important for making autonomous decisions on the use of specific tools/drugs in various implantable medical systems.” — MTS

ARTICLE #4 FOR IMMEDIATE RELEASE
“Biocomputing Security System: Concatenated Enzyme-Based Logic Gates Operating as a Biomolecular Keypad Lock”

DOWNLOAD FULL TEXT ARTICLE
http://dx.doi.org/10.1021/ja7114713

CONTACT:
Evgeny Katz, Ph.D.
Milton Kerker Chair of Chemistry
Department of Chemistry & Biomolecular Science
Clarkson University
Potsdam, NY 13699-5810, USA
Tel. (315) 268-4421
Fax: (315) 268-6610
Email:

ARTICLE #5 EMBARGOED FOR 9 A.M., EASTERN TIME, March 24, 2008

CSI fact catching up with fiction as chemists develop new technology
Chemical & Engineering News

Real-life crime scene analysis of bloodstains, fingerprints, and other evidence does not match the speed and certainty on television shows such as CSI. But thanks to advances in chemistry, fact is catching up with fiction as researchers develop faster, more sensitive forensics tools, according to an article scheduled for the March 24 issue of Chemical & Engineering News, ACS’ weekly newsmagazine.