Self-assembly of porphyrins on nucleic acid templates |
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| Authors: | E J Gibbs I Tinoco M F Maestre P A Ellinas R F Pasternack |
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| Institution: | Department of Chemistry, Goucher College, Towson, MD 21204. |
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| Abstract: | The cis and trans isomers of dicationic bis(4-N-methylpyridyl)diphenylporphine show a much greater tendency to aggregate than similar tetracationic porphyrins. Upon binding to nucleic acids these aggregating dicationic porphyrins form long-range structures on the polymer template giving intense circular dichroism signals whose profile reports the helical sense of the DNA. |
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