Dmytro Nykypanchuk, Mathew M. Maye, Daniel van der Lelie & Oleg Gang
Nature 2008, 451, 549Â
and another paper:
DNA-programmable nanoparticle crystallization
Sung Yong Park, Abigail K. R. Lytton-Jean, Byeongdu Lee, Steven Weigand, George C. Schatz & Chad A. Mirkin
Nature 2008, 451, 553Â