Binding of tetrakis(pyrazoliumyl)porphyrin and its copper(II) and zinc(II) complexes to poly(dG-dC)2and poly(dA-dT)2
✍ Scribed by Daryono H. Tjahjono; Rahmana E. Kartasasmita; As’ari Nawawi; Shunsuke Mima; Takehiro Akutsu; Naoki Yoshioka; Hidenari Inoue
- Book ID
- 106231957
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 567 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1432-1327
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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
The localization of the water-soluble cationic porphyrin ZnTMpyP(4) [Zn(II) derivative of 5,10,15,20-tetrakis(4-N-methylpyridyl)porphyrin] in its complex with [poly(dG-dC)] 2 is studied as a function of the solution ionic strength ( ϭ 0.20 -0.03). It is shown that the position of the Soret band maxi
Cationic water-soluble Cu(II)-5,10,15,20-tetrakis(4-N-methylpyridyl)porphyrin (CuTMpyP 4q ) complexed with short oligothymidylates d(pT) n (ns1, 2, 3, 4, 5, 9, 12-18) can form exciplexes simultaneously with both CO groups of thymine, forming [(CuP) U dd -CO], and with surrounding water molecules, fo