Molecular design, characterization, and application of multi-information dyes for multi-dimensional optical chemical sensing. Molecular design concepts of the dyes and their fundamental spectral characteristics

Hideaki Hisamoto, Hajime Tohma, Toshiki Yamada, Ki Ichiro Yamauchi, Dwi Siswanta, Naoki Yoshioka, Koji Suzuki

研究成果: Article査読

58 被引用数 (Scopus)

抄録

The molecular design of multi-functional dyes, called 'multi-information dyes' (MIDs), and their application to several methods of optical chemical sensing were proposed. The concepts for the molecular design of the dyes were as follows: (1) the introduction of multiple (both positive and negative) charges on both ends of the large conjugated π-electron system of the dye molecule, so that the dye interacts with many chemical species or environments; (2) the introduction of different substitution (electron-donating or electron-accepting) groups in the conjugated π-electron system of the dye molecule, so that the dye has a different pK(a) and solvatochromic property; and (3) the introduction of an immobilization site in the dye molecule, so that the dye can be easily prepared as a sensing probe.Based on these concepts, sixteen kinds of dyes were synthesized, all being of the merocyanine type. The basic color-change characteristics of the MIDs were evaluated with a homogeneous system and a solvent extraction two-phase system. Some of these dyes (e.g., KD-M5) offered two-dimensional sensing information for sensing the water content in organic solvents, in which the absorbance maximum wavelength (λ(max)) shift and absorbance change were both utilized as the detecting signals.From these results, the MIDs developed in this study have several possibilities for analytical applications in optical chemical sensing such as pH sensing, ion sensing, neutral molecule sensing, and water content-sensing in organic solvents. Copyright (C) 1998 Elsevier Science B.V.

本文言語English
ページ(範囲)271-289
ページ数19
ジャーナルAnalytica Chimica Acta
373
2-3
DOI
出版ステータスPublished - 1998 11 11

ASJC Scopus subject areas

  • 分析化学
  • 生化学
  • 環境化学
  • 分光学

フィンガープリント

「Molecular design, characterization, and application of multi-information dyes for multi-dimensional optical chemical sensing. Molecular design concepts of the dyes and their fundamental spectral characteristics」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル