Geodesic
The influence of $\mathrm{pH}$ on interaction of $\mathrm{CuTOEPyP4}$ with $\mathrm{DNA}$
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 3 (2008), pp. 97-100.

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The interaction of $\mathrm{Cu(II)}$-meso-tetra-($\mathrm{4N}$-hydroxyethylpyridyl)porphyrim ($\mathrm{CuTOEPyP4}$) with $\mathrm{DNA}$ at different $\mathrm{pH}$ was studied by methods of spectrophotometry and circular dichroism. It was shown that these porphyrins bind to $\mathrm{DNA}$ preferably via intercalation. The calculations show that the constant of binding of $\mathrm{CuTOEPyP4}$ with $\mathrm{DNA}$ strongly depend upon the $\mathrm{pH}$. 
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Y. B. Dalyan; I. V. Vardanyan. The influence of $\mathrm{pH}$ on interaction of $\mathrm{CuTOEPyP4}$ with $\mathrm{DNA}$. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 3 (2008), pp. 97-100. http://geodesic.mathdoc.fr/item/UZERU_2008_3_a13/

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