scholarly journals Biological Photochemistry. I. The Correlation between the Photodynamical Behaviors and the Chemical Structures of Nucleic Acid-bases, Nucleosides, and Related Compounds in the Presence of Methylene-blue

1965 ◽  
Vol 13 (9) ◽  
pp. 1108-1113 ◽  
Author(s):  
Kazuko Zenda ◽  
Mineo Saneyoshi ◽  
Goro Chihara
Keyword(s):  
Methylene Blue ◽  
Nucleic Acid ◽  
Nucleic Acid Bases ◽  
Chemical Structures ◽  
Related Compounds

Confinement of Nucleic Acid Bases and Related Compounds Using Tetra-p-sulfonatocalix[4]arene

2006 ◽  
Vol 6 (5) ◽  
pp. 1161-1167 ◽  
Author(s):  
Peter J. Nichols ◽  
Mohamed Makha ◽  
Colin L. Raston
Keyword(s):  
Nucleic Acid ◽  
Nucleic Acid Bases ◽  
Related Compounds

Influence of Nucleic Acid Bases on the Light-induced Reduction of Methylene Blue: ESR and Optical Measurements

1973 ◽  
Vol 28 (1-2) ◽  
pp. 82-85 ◽  
Author(s):  
Helmut Hanssum ◽  
Wolfgang Lohmann
Keyword(s):  
Methylene Blue ◽  
Nucleic Acid ◽  
Optical Absorption ◽  
Electron Acceptors ◽  
Optical Measurements ◽  
Electron Affinities ◽  
Nucleic Acid Bases ◽  
Absorption Studies ◽  
Theoretical Predictions

The effect of the nucleic acid bases adenine, cytosine, thymine, uracil, and 5-bromo-uracil on the light-induced reduction of methylene blue in dimethylsulfoxide has been investigated by means of ESR and optical absorption studies. It could be shown that the nucleic acid bases act as electron acceptors. The experimentally obtained electron affinities are of the following order: cytosine > adenine > thymine ≈ uracil and confirm, thus, the theoretical predictions.

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