Rapid detection of hemagglutination using restrictive microfluidic channels equipped with waveguide-mode sensors

Hiroki Ashiba, Makoto Fujimaki, Koichi Awazu, Mengying Fu, Yoshimichi Ohki, Torahiko Tanaka, Makoto Makishima

研究成果: Article査読

7 被引用数 (Scopus)

抄録

Hemagglutination is utilized for various immunological assays, including blood typing and virus detection. Herein, we describe a method of rapid hemagglutination detection based on a microfluidic channel installed on an optical waveguide-mode sensor. Human blood samples mixed with hemagglutinating antibodies associated with different blood groups were injected into the microfluidic channel, and reflectance spectra of the samples were measured after stopping the flow. The agglutinated and nonagglutinated samples were distinguishable by the alterations in their reflectance spectra with time; the microfluidic channels worked as spatial restraints for agglutinated red blood cells. The demonstrated system allowed rapid hemagglutination detection within 1 min. The suitable height of the channels was also discussed.

本文言語English
論文番号027002
ジャーナルJapanese journal of applied physics
55
2
DOI
出版ステータスPublished - 2016 2月

ASJC Scopus subject areas

  • 工学一般
  • 物理学および天文学一般

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