Complex formation between rhodamine B and poly(sodium 4-styrenesulfonate) studied by1H-NMR

Ignacio Moreno-Villoslada; Rodrigo González; Susan Hess; Bernabé L. Rivas; Toshimichi Shibue; Hiroyuki Nishide

doi:10.1021/jp0640169

Complex formation between rhodamine B and poly(sodium 4-styrenesulfonate) studied by¹H-NMR

Ignacio Moreno-Villoslada^*, Rodrigo González, Susan Hess, Bernabé L. Rivas, Toshimichi Shibue, Hiroyuki Nishide

^*Corresponding author for this work

Waseda Research Institute for Science and Engineering

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

A ¹H NMR study is presented for the binding of rhodamine B (RB) to the polyanion containing aromatic groups poly(sodium 4-styrenesulfonate) (PSS), which is also evidenced by diafiltration. ¹H NMR spectra showed an accentuated upfield shift of proton H6′ of the benzoic ring of RB at pH 7, indicating the stacking of RB onto PSS. The corresponding structure is proposed which is in accordance to Hunter and Sanders rules. At pH 2, an upfield shift of the xanthene protons of RB would indicate a highly condensed state for this molecule.

Original language	English
Pages (from-to)	21576-21581
Number of pages	6
Journal	Journal of Physical Chemistry B
Volume	110
Issue number	43
DOIs	https://doi.org/10.1021/jp0640169
Publication status	Published - 2006 Nov 2

ASJC Scopus subject areas

Physical and Theoretical Chemistry

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title = "Complex formation between rhodamine B and poly(sodium 4-styrenesulfonate) studied by1H-NMR",

abstract = "A 1H NMR study is presented for the binding of rhodamine B (RB) to the polyanion containing aromatic groups poly(sodium 4-styrenesulfonate) (PSS), which is also evidenced by diafiltration. 1H NMR spectra showed an accentuated upfield shift of proton H6′ of the benzoic ring of RB at pH 7, indicating the stacking of RB onto PSS. The corresponding structure is proposed which is in accordance to Hunter and Sanders rules. At pH 2, an upfield shift of the xanthene protons of RB would indicate a highly condensed state for this molecule.",

author = "Ignacio Moreno-Villoslada and Rodrigo Gonz{\'a}lez and Susan Hess and Rivas, {Bernab{\'e} L.} and Toshimichi Shibue and Hiroyuki Nishide",

year = "2006",

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doi = "10.1021/jp0640169",

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T1 - Complex formation between rhodamine B and poly(sodium 4-styrenesulfonate) studied by1H-NMR

AU - Moreno-Villoslada, Ignacio

AU - González, Rodrigo

AU - Hess, Susan

AU - Rivas, Bernabé L.

AU - Shibue, Toshimichi

AU - Nishide, Hiroyuki

PY - 2006/11/2

Y1 - 2006/11/2

N2 - A 1H NMR study is presented for the binding of rhodamine B (RB) to the polyanion containing aromatic groups poly(sodium 4-styrenesulfonate) (PSS), which is also evidenced by diafiltration. 1H NMR spectra showed an accentuated upfield shift of proton H6′ of the benzoic ring of RB at pH 7, indicating the stacking of RB onto PSS. The corresponding structure is proposed which is in accordance to Hunter and Sanders rules. At pH 2, an upfield shift of the xanthene protons of RB would indicate a highly condensed state for this molecule.

AB - A 1H NMR study is presented for the binding of rhodamine B (RB) to the polyanion containing aromatic groups poly(sodium 4-styrenesulfonate) (PSS), which is also evidenced by diafiltration. 1H NMR spectra showed an accentuated upfield shift of proton H6′ of the benzoic ring of RB at pH 7, indicating the stacking of RB onto PSS. The corresponding structure is proposed which is in accordance to Hunter and Sanders rules. At pH 2, an upfield shift of the xanthene protons of RB would indicate a highly condensed state for this molecule.

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Complex formation between rhodamine B and poly(sodium 4-styrenesulfonate) studied by¹H-NMR

Abstract

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