Interaction of cationic 5,10,15,20-tetrakis(4-N-methyl pyridyl) porphyrin with mono-and polynucleotides: A study by picosecond fluorescence spectroscopy
β Scribed by I. V. Sazanovich; E. P. Petrov; V. S. Chirvony
- Book ID
- 110175020
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2006
- Tongue
- English
- Weight
- 241 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0030-400X
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π SIMILAR VOLUMES
High-valent oxo-iron(IV) species are commonly proposed as the key intermediates in the catalytic mechanisms of iron enzymes. Water-soluble iron(III) tetrakis-5,10,15,20-(N-methyl-4-pyridyl)porphyrin (Fe(III)TMPyP) has been used as a model of heme-enzyme to catalyse the hydrogen peroxide (H 2 O 2 ) o
Interaction between molecular oxygen and the cationic fiee-base 5,10,15,20-tetrakis(4-N-methylpyridyl )porphyrin (H2TMpyP 4, ) complexed with [poly(dA-dT)I\_+, l poly(dG-dC) ]z and calf thymus DNA, has been monitored in air-saturated heavy water solutions through porphyrin triplet-triplet absorption
Intercalative binding of the cationic 5,10,15,20-tetra!&( 4-Wmethylpyridyl) porphyrin (H,TMpyp+ ) at 5'CG3 and 5'GC3' sequences in [ d( TACGTA) ] 2 and [ d( TAGCTA) ] 2 hexadeoxyribonucleotides has been monitored through porphyrin ground-state and transient triplettriplet absorption, steady-state an