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. Author manuscript; available in PMC: 2013 May 16.
Published in final edited form as: Chem Commun (Camb). 2012 Jan 12;48(23):2837–2839. doi: 10.1039/c2cc16895b

Fig. 1.

Fig. 1

VCD (a) and IR absorption (b) spectra of RF incubated at pH 1.5 (red), the same solution 30 minutes (black) and 12 hours (green) after pH was elevated to 2.5, and NF incubated at pH 2.5 (blue).