Binding of Alkali and Alkaline-Earth Cations to Monolayers of a Noncyclic Ionophore

Masayuki Yanagi, Hideo Tamamura, Kazue Kurihara, Toyoki Kunitake

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A new type of ionophore monolayer was prepared from 3,7-dioxaazelaamide derivatives: N,N′-dimethyl-N,N′-dioctadecyl- (la), N,N′-dimethyl-N,N′-dioctadecyl- (1b), and N,N,N′,N′-tetraoctadecyl-3,7-dioxaazelaamide (1c). Their monolayer properties have been studied by the surface pressure-area isotherm measurement, fluorescence microscopy, and surface reflection spectroscopy. By use of an anionic dye, 8-hydroxy-l,3,6-pyrenetrisulfonate ion, as counterion for metal cation, the ion binding characteristics of these ionophore monolayers were determined from reflection spectrum intensities. These monolayers bind Ca2+ ion effectively, and their affinities to metal cations depend on their chemical structures, being in the order of 1b > 1a > 1c. These different affinities can be interpreted in terms of the flexibility of the binding sites, which are regulated by alignment of long alkyl chains in monolayers.

Original languageEnglish
Pages (from-to)167-172
Number of pages6
JournalLangmuir
Volume7
Issue number1
DOIs
Publication statusPublished - Jan 1 1991

Fingerprint

Ionophores
Alkalies
Cations
Monolayers
alkalies
Positive ions
Earth (planet)
cations
affinity
Ions
ions
metals
Metals
flexibility
isotherms
dyes
alignment
Fluorescence microscopy
microscopy
Binding sites

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Binding of Alkali and Alkaline-Earth Cations to Monolayers of a Noncyclic Ionophore. / Yanagi, Masayuki; Tamamura, Hideo; Kurihara, Kazue; Kunitake, Toyoki.

In: Langmuir, Vol. 7, No. 1, 01.01.1991, p. 167-172.

Research output: Contribution to journalArticle

Yanagi, M, Tamamura, H, Kurihara, K & Kunitake, T 1991, 'Binding of Alkali and Alkaline-Earth Cations to Monolayers of a Noncyclic Ionophore', Langmuir, vol. 7, no. 1, pp. 167-172. https://doi.org/10.1021/la00049a030
Yanagi, Masayuki ; Tamamura, Hideo ; Kurihara, Kazue ; Kunitake, Toyoki. / Binding of Alkali and Alkaline-Earth Cations to Monolayers of a Noncyclic Ionophore. In: Langmuir. 1991 ; Vol. 7, No. 1. pp. 167-172.
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