A team of researchers from the DFG-Center for Functional Nanostructures (CFN), at the Karlsruhe Institute of Technology (KIT) in Germany, and the National Tsing Hua University in Taiwan, have found a way to use salmon DNA to create a memory device.

The write-once-read-many (WORM) device consists of a thin film of salmon DNA embedded with nano-sized silver particles, placed between two electrodes.

When UV light is used (to encode information to the device), the silver nanoparticles cluster around the salmon DNA—of which, the process is irreversible, according to a statement by KIT.

According to the team in Taiwan, information can be written to the device but not be overwritten.

This means that data in the device would be stored indefinitely.

Researchers predict that this technique could be useful in designing optical storage devices.

“It demonstrates new possibilities to fabricate novel, cheaper and bi-friendly devices by integrating and merging several fields of interest,” KIT wrote.

[via DVICE]


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