Discover
/
Article

DNA used to craft world’s smallest diode

APR 05, 2016
Physics Today

IEEE Spectrum : Diodes are electrical components that allow electricity to flow in only a single direction. Now a diode has been made from an 11-base-pair length of DNA combined with two molecules of coralyne. The combined molecule, which is roughly 4 nm long, allows electrical current to flow through it 15 times as strongly in one direction as in the other. The researchers believe that the coralyne molecules fuel the one-way movement of electricity by creating an imbalance in the distribution of electrons in the DNA.

Related content
/
Article
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
/
Article
/
Article
After a foray into international health and social welfare, she returned to the physical sciences. She is currently at the Moore Foundation.
/
Article
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.

Get PT in your inbox

pt_newsletter_card_blue.png
PT The Week in Physics

A collection of PT's content from the previous week delivered every Monday.

pt_newsletter_card_darkblue.png
PT New Issue Alert

Be notified about the new issue with links to highlights and the full TOC.

pt_newsletter_card_pink.png
PT Webinars & White Papers

The latest webinars, white papers and other informational resources.

By signing up you agree to allow AIP to send you email newsletters. You further agree to our privacy policy and terms of service.