Polyvalent DNA Nanoparticle Conjugates Stabilize Nucleic Acids Seferos, Dwight S. ; Prigodich, Andrew E. ; Giljohann, David A. ; Patel, Pinal C. ; Mirkin, Chad A. Abstract Publication: Nano Letters Pub Date: January 2009 DOI: 10.1021/nl802958f Bibcode: 2009NanoL...9..308S