The 15th International Conference on DNA Computing and Molecular P- gramming was held during June 8-11, 2009 on the campus of the University of Arkansas in Fayetteville, AR. The conference attracts researchers from d- parate disciplines in science and technology to foster interdisciplinary research into the molecular-scale manipulation of matter. In particular, implementation ofnanoscalecomputation andprogrammedassemblyof materialsareofinterest. Papersat the conference typically are a mix of experimentaland theoreticalp- sentations. Theconferenceis heldunder...