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Raman spectroscopic studies on the interaction between counterion and polyion

✍ Scribed by Shinobu Koda; Hiroyasu Nomura; Mitsuru Nagasawa

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
702 KB
Volume
15
Category
Article
ISSN
0301-4622

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## Abstract We have shown previously that the N‐methylpridyl group vibrations of water‐soluble porphyrins, M(TMpy‐P4), are shifted to lower frequencies (0.5–2.6 cm^βˆ’1^) as a result of coulombic interaction between the N^+^‐CH~3~ group of M(TMpy‐P4) and the PO~2~ group of a nucleic acid. We have now