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American Chemical Society's Weekly PressPac -- Feb. 6, 2008
Date:2/11/2008

ARTICLE #1 FOR IMMEDIATE RELEASE

Recordable proteins as next-generation memory storage materials
Langmuir

Move over, compact discs, DVDs, and hard drives. Researchers in Japan report progress toward developing a new protein-based memory device that could provide an alternative to conventional magnetic and optical storage systems, which are quickly approaching their memory storage capacities. Their study is scheduled for the March 4 issue of ACS Langmuir, a bi-weekly journal.

Just as nature chose proteins as the memory storage medium of the brain, scientists have spent years exploring the possibility of similarly using proteins and other biological materials to build memory-based devices with the potential for processing information faster and providing greater storage capacity than existing materials. Although a few protein-based memory materials have shown promise in experimental studies, developing such materials for practical use remains a challenge.

In the new study, Tetsuro Majima and colleagues used a special fluorescent protein to etch or record a specific information pattern on a glass slide. Using a novel combination of light and chemicals, the researchers demonstrated that they could read the pattern and subsequently erase it at will. Thus, they demonstrated that the proteins could provide storage, playback, and erasure of information, the hallmarks of a successful memory device, the researchers say. In addition to conventional memory storage devices, the proteins also show promise for improved biosensors and diagnostic tests, they say. MTS

ARTICLE #1 FOR IMMEDIATE RELEASE
Protein Recording Material: Photorecord/Erasable Protein Array Using a UV-Eliminative Linker

DOWNLOAD FULL TEXT ARTICLE
http://dx.doi.org/10.1021/la703354c

CONTACT
Tetsuro Majima, Ph.D.
The Institute of Scientific and Industri
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Contact: Michael Bernstein
m_bernstein@acs.org
202-872-4400
American Chemical Society
Source:Eurekalert  

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