An oxo-bacteriochlorin derivative for long-wavelength fluorescence ratiometric alcohol sensing

Kosuke Takano, Shin Ichi Sasaki, Daniel Citterio, Hitoshi Tamiaki, Koji Suzuki

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A fluorescent ratiometric optical chemical sensor (optode) for alcohol detection is presented. A lipophilized bacteriochlorin derivative possessing a trifluoroacetyl group at the 3-position was synthesized for alcohol detection. When embedded in a plasticized poly(vinyl chloride) (PVC) membrane, the fluororeceptor shows a significant signal change on exposure to aqueous ethanol solutions both in the absorbance and the fluorescence emission. This optode allows the determination of ethanol concentrations in aqueous sample solutions by ratiometric fluorometry. The fluorescent indicator responds with increasing fluorescence around 701 nm and decreasing fluorescence around 751 nm towards the presence of ethanol. The optode response was found to be fully reversible in a dynamic measurement range from 0.3% to at least 25% (v/v) ethanol. The limit of detection (LOD) and the limit of quantification (LOQ) of the sensor for ethanol were estimated to be 0.1% and 0.4% (v/v), respectively. These results indicate that the new optode can be employed as an ethanol-sensing device with high sensitivity for beverage and industrial analyses.

Original languageEnglish
Pages (from-to)2334-2339
Number of pages6
JournalAnalyst
Volume135
Issue number9
DOIs
Publication statusPublished - 2010 Sep

Fingerprint

alcohol
ethanol
Alcohols
Ethanol
fluorescence
Fluorescence
Derivatives
wavelength
Wavelength
sensor
Vinyl Chloride
fluorometry
Fluorometry
Beverages
Optical sensors
Chemical sensors
absorbance
Polyvinyl Chloride
Polyvinyl chlorides
Limit of Detection

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Electrochemistry
  • Biochemistry
  • Environmental Chemistry

Cite this

An oxo-bacteriochlorin derivative for long-wavelength fluorescence ratiometric alcohol sensing. / Takano, Kosuke; Sasaki, Shin Ichi; Citterio, Daniel; Tamiaki, Hitoshi; Suzuki, Koji.

In: Analyst, Vol. 135, No. 9, 09.2010, p. 2334-2339.

Research output: Contribution to journalArticle

Takano, Kosuke ; Sasaki, Shin Ichi ; Citterio, Daniel ; Tamiaki, Hitoshi ; Suzuki, Koji. / An oxo-bacteriochlorin derivative for long-wavelength fluorescence ratiometric alcohol sensing. In: Analyst. 2010 ; Vol. 135, No. 9. pp. 2334-2339.
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