Differential Detection of Enantiomeric Gaseous Analytes Using Carbon Black-Chiral Polymer Composite, Chemically Sensitive Resistors

Erik J. Severin, Robert D. Sanner, Brett J. Doleman, Nathan S Lewis

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Carbon black-chiral polymer composites were used to provide diagnostic differential resistance responses in the presence of enantiomers of chiral gaseous analytes. Vapors of (+)-2-butanol and (-)-2-butanol, (+)-α-pinene and (-)-α-pinene, (+)-epichlorohydrin and (-)-epichlorohydrin, and methyl (+)-2-chloropropionate and methyl (-)-2-chloropropionate were generated and passed over a chemically sensitive carbon black-poly ((R)-3-hydroxybutyrate-co-(R)-3-hydroxyvalerate) (77% butyrate) composite resistor. Each enantiomer of a pair produced a distinct relative differential resistance change on the chiral detector, whereas both enantiomers of a set produced identical signals on achiral carbon black-poly(ethyleneco-vinyl acetate) (82% ethylene) detectors.

Original languageEnglish
Pages (from-to)1440-1442
Number of pages3
JournalAnalytical Chemistry
Volume70
Issue number7
Publication statusPublished - Apr 1 1998

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Soot
Enantiomers
Epichlorohydrin
Resistors
Polymers
Composite materials
Detectors
3-Hydroxybutyric Acid
Butyrates
Vapors
methyl 2-chloropropionate
2-butanol

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Differential Detection of Enantiomeric Gaseous Analytes Using Carbon Black-Chiral Polymer Composite, Chemically Sensitive Resistors. / Severin, Erik J.; Sanner, Robert D.; Doleman, Brett J.; Lewis, Nathan S.

In: Analytical Chemistry, Vol. 70, No. 7, 01.04.1998, p. 1440-1442.

Research output: Contribution to journalArticle

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