Short deoxyribonucleic acid molecules that are partially single-stranded, dumbbell-shaped, and covalently closed, which contain one or more unmethylated cytosine guanosine motif (CpG motif) and exhibit immunomodifying effects. Such molecules can be used for immunostimulation applications in humans or...http://www.google.ca/patents/US20030125279?utm_source=gb-gplus-sharePatent US20030125279 - Covalently closed nucleic acid molecules for immunostimulation
