Detection of difference in acidity between arrayed carboxy groups and the groups dissolved in solution by reductive desorption of a self-assembled monolayer of carboxy-terminated thiolsElectronic supplementary information (ESI) available: titration curves from linear sweep voltammograms. See http://www.rsc.org/suppdata/cc/b1/b102601c/

Abstract

The pK_a value of arrayed carboxy groups and that of groups dissolved in solution can easily be determined by electrochemical desorption of a self-assembled monolayer of carboxy-terminated thiols in aqueous solutions.