S1 SUPPLEMENTARY INFORMATION Comparing the Interactions of DNA, Polyamide (PNA) and Polycarbamate Nucleic Acid (PCNA) Oligomers with Graphene Oxide (GO) Venubabu Kotikam, Moneesha Fernandes and Vaijayanti Anil Kumar* Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India. E-mail: va.kumar@ncl.res.in Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics This journal is © The Owner Societies 2012