Use of metallochromic dyes and potentiometric pH-meter titration to detect binding of divalent cations to "Good's" buffers: 4-morpholinepropanesulfonic acid (Mops) does not bind Mg2+
CNRS, URA 2096 (Protéines Membranaires Transductrices d'Energie), CEA, DSV, DBJC, SBFM (Laboratoire de Transport et Détoxication membranaire), CEA Saclay, 91191 Gif-sur-Yvette, France.