Skip to main content
. Author manuscript; available in PMC: 2007 Apr 4.
Published in final edited form as: Angew Chem Int Ed Engl. 2005 Sep 26;44(38):6210–6213. doi: 10.1002/anie.200501956

Figure 1.

Figure 1

HPLC profiles of the solution of X-irradiated d(CGCG) film (ammonium acetate (40 mM), pH 6.8, spermine (10 mM)). a) 20 min at 90°C with spermine; b) no heat. Peaks for products 47 are shown with arrows. HPLC conditions: C18 μ-Bondapack 8 mm 0 100 mm Radial Pak cartridge (Waters) washed with ammonium acetate (40 mM) as running phase and methanol as eluent (1–16.5% methanol over 30 min, linear gradient, 2 mLmin−1).