News tagged with dna molecules

Channeling our ion past

To understand how the first cells transported ions across their membranes, researchers are studying simple channels used by fungi to kill off bacteria.

Jun 07, 2012
5 / 5 (1) 2 | with audio podcast

DNA strands create tiniest Smileys

Harvard University scientists on Wednesday said they had created Smileys, Chinese characters and card-game symbols at scales of billionths of a metre using strands of DNA.

May 30, 2012
not rated yet 0

Nanofluidics sorts DNA for cancer research

(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, ...

May 24, 2012
5 / 5 (2) 0 | with audio podcast

DNA tug of war

A mathematical model created by Aalto University (Finland) researcher Timo Ikonen explains for the first time how the DNA chains in our genome are translocated through nanopores that are only a couple of nanometres thick.

May 11, 2012
not rated yet 1