Meso-substituted cationic porphyrins as efficient photosensitizers of gram-positive and gram-negative bacteria.

@article{Merchat1996MesosubstitutedCP,
  title={Meso-substituted cationic porphyrins as efficient photosensitizers of gram-positive and gram-negative bacteria.},
  author={Mich{\`e}le Merchat and Giorgio Bertolini and Patrizia Giacomini and Angeles Villanueva and Giulio Jori},
  journal={Journal of photochemistry and photobiology. B, Biology},
  year={1996},
  volume={32 3},
  pages={153-7}
}
Previous studies on the photosensitization of bacterial cells with different neutral or negatively charged porphyrins and phthalocyanines have demonstrated that, although Gram-positive bacteria are efficiently photoinactivated, Gram-negative bacteria become photosensitive only after modification of the permeability of their outer membrane. The results described in this paper show that two meso-substituted cationic porphyrins, namely tetra(4N-methyl-pyridyl)porphine tetraiodide and tetra(4N,N,N… CONTINUE READING

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