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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Methods. 2010 May 22;52(1):12–22. doi: 10.1016/j.ymeth.2010.05.002

Fig. 9.

Fig. 9

Apparatus setup for synthesis 18O exchange of amino acids. HCl gas generator (left) for reduction of dioxane/water suspension pH and reaction vessel (right).