Electrochemical detection of allergen in small-volume whole blood using an array microelectrode: A simple method for detection of allergic reaction

Mina Okochi, Hiroko Yokouchi, Noriyuki Nakamura, Tadashi Matsunaga

研究成果: Article査読

15 被引用数 (Scopus)

抄録

A safe, simplified, and rapid method for detection of allergen has been developed. Serotonin, a chemical mediator secreted during an allergic reaction, was used as a marker in electrochemical detection. A 20-μL drop of whole blood was used for the electrochemical detection of allergen using an array microelectrode. When cyclic voltammetry was carried out on whole blood samples containing 1 μg/mL serotonin, an anodic peak current appeared at around 350 mV versus a silver/silver chloride electrode using a Nation-coated array microelectrode. Allergen was selectively detected using whole blood samples by applying a constant potential of 350 mv after 40 min incubation with addition of allergen. The results obtained by the electrochemical detection method correlated well with the diagnosis obtained from the amount of IgE antibody.

本文言語English
ページ(範囲)480-484
ページ数5
ジャーナルBiotechnology and Bioengineering
65
4
DOI
出版ステータスPublished - 1999 11 20
外部発表はい

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

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