Metallation of porphyrins in lipid monolayers at the air/water interface.

Loschek, R.; Möbius, D.

doi:10.1016/0009-2614(88)80091-5

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Metallation of porphyrins in lipid monolayers at the air/water interface.

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Loschek, R.
Research Group of Molecular Organized Systems, MPI for biophysical chemistry, Max Planck Society;

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Möbius, D.
Research Group of Molecular Organized Systems, MPI for biophysical chemistry, Max Planck Society;

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Citation

Loschek, R., & Möbius, D. (1988). Metallation of porphyrins in lipid monolayers at the air/water interface. Chemical Physics Letters, 151(1-2), 176-182. doi:10.1016/0009-2614(88)80091-5.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-42EF-0

Abstract

Protonation and metallation equilibrium constants of two amphiphilic porphyrins in different lipid matrices have been determined at the air-water interface by means of reflection spectroscopy. Evidence for a dissociation mechanism of porphyrin metal complex formation is obtained from shifts of the protonation pKa and metallation pKc values upon variation of matrixand porphyrin.