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. 2009 Jun 26;37(15):5197–5207. doi: 10.1093/nar/gkp543

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© 2009 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — FTIR spectra and difference spectra [(tRNA solution + lipid solution) – (tRNAsolution)] in the region of 1800–600 cm^–1 for the free tRNA and free cholesterol (A) and DDAB (B) and their complexes in aqueous solution at pH 7.3 with various lipid/RNA(P) ratios (1/80 to 1/4) and constant RNA concentration (12.5 mM).