Zobrazeno 1 - 3 of 3 pro vyhledávání: '"Serghey A. Shapovalov"'
2
Association of indopolymethine cyanine cations with anions of sulfonephthalein and xanthene dyes in water
Autor: Nadezhda A. Derevyanko, Nikolay O. Mchedlov-Petrossyan, Valentina L. Koval, Serghey A. Shapovalov, Aleksandr A Ishchenko, Andrey Pereverzev, Tatyana A. Chernaya
Publikováno v: Journal of the Brazilian Chemical Society v.16 n.2 2005
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 16, Issue: 2, Pages: 232-240, Published: APR 2005
The association of the cationic dye indoheptamethine cyanine with various anionic dyes (four sulfonephthaleins and five xanthenes) in aqueous solutions was detected using the Vis-spectroscopic method. The values of the association constants are withi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02202fde58cc1e387a222e13617717c6
https://doi.org/10.1590/s0103-50532005000200017
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3
the surfactant-induced formation of J- and H-aggregates in aqueous pseudoisocyanine solutions
Autor: Valentina L. Koval, Nikolay O. Mchedlov-Petrossyan, Serghey A. Shapovalov, Teimur A. Shakhverdov, Yuriy A. Bochkaryov
Publikováno v: Dyes and Pigments. 19:33-40
It is reported that J- and H-aggregates of pseudoisocyanine iodide can occur in water at low dye concentrations (~ 1 × 10−5 M) in the presence of some anionic surfactants (sulphonates sulphates and their derivatives) at room temperature.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e81b465a7d9b718d2c9d1a820e5ad08
https://doi.org/10.1016/0143-7208(92)87009-p
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