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. Author manuscript; available in PMC: 2013 Feb 11.
Published in final edited form as: Chem Soc Rev. 2010 Mar 11;39(6):1925–1935. doi: 10.1039/b701906h

Figure 4.

Figure 4

Structures of redox mediators commonly incorporated into catalytic electrooxidative NO sensors: (a) Tetrakis(3-methoxy-4-hydroxyphenyl)-nickel(II) porphyrin (NiTMHPP), (b) metal N,N′-ethylenebis(salicylideneiminato) (M(Salen)), and (c) metallophthalocyanine.