Affiliation: | 1. Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037 (USA), Fax: (+1)?858‐784‐7472 http://www.scripps.edu/chem/romesberg;2. Helicos BioSciences Corporation, One Kendall Square, Building 700, Cambridge, MA 02139 (USA) |