News tagged with dna molecules

'Quadruple helix' DNA discovered in human cells

In 1953, Cambridge researchers Watson and Crick published a paper describing the interweaving 'double helix' DNA structure - the chemical code for all life. Now, in the year of that scientific landmark's 60th Anniversary, ...

Jan 20, 2013
4.5 / 5 (57) 18 | with audio podcast

DNA prefers to dive head first into nanopores

(Phys.org)—In the 1960s, Nobel laureate Pierre-Gilles de Gennes postulated that someday researchers could test his theories of polymer networks by observing single molecules. Researchers at Brown observed ...

Jan 08, 2013
4.3 / 5 (3) 0 | with audio podcast

New calculations solve an old problem with DNA

The normal (B-form) DNA will switch to left-handed DNA when it is physically twisted, or when a lot of salt is added to the solution. Researchers at the University of Luxembourg were able to accurately calculate for the ...

Dec 21, 2012
5 / 5 (2) 0