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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Anal Chem. 2009 May 1;81(9):3637–3644. doi: 10.1021/ac900092f

Figure 1.

Figure 1

Structures of ionophores examined in this work: a) rhodium(III) 5,10,15,20-tetraphenylporphyrin chloride (Rh-TPP) when R=H or rhodium(III) 5,10,15,20-tetra(p-tert-butylphenyl)porphyrin chloride (Rh-tBTPP) when R=tert-butyl; b) rhodium(III) 2,3,7,8,12,13,17,18-octaethylporphyrin chloride (Rh-OEP); c) rhodium(III) (S,S)-(+)-N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine (Jacobsen’s ligand) (Rh-JL).