Transcutaneous lactate monitoring with a micro-planar amperometric biosensor

N. Ito, T. Matsumoto, S. Nakamoto, H. Fujiwara, Y. Matsumoto, S. Kayashima, T. Arai, M. Kikuchi, I. Karube

研究成果: Paper査読

抄録

A transcutaneous lactate monitoring method has been developed by combining a suction effusion fluid (SEF) collecting technique with a micro-planar amperometric biosensor. SEF is an interstitial fluid obtained by applying suction to corneum layer-stripped skin. The micro-planar amperometric biosensor, was developed for determining lactate concentrations in very small SEF samples. The biosensor utilizes a lactate oxidase immobilized membrane on a micro-planar platinum electrode to yield a lactate sensor. Linearity in the lactate sensor output was obtained from 0.5 mM to 25 mM and the response time was about 10 seconds. The sensor was applied to measure the SEF lactate in a rabbit after a high lactate level had been induced in the animal. Lactate concentrations obtained for SEF corresponded well with those obtained directly for whole blood, suggesting the feasibility of transcutaneous lactate monitoring without the use of blood sampling.

本文言語English
ページ458-461
ページ数4
出版ステータスPublished - 1995
外部発表はい
イベントProceedings of the 1995 8th International Conference on Solid-State Sensors and Actuators and Eurosensors IX. Part 1 (of 2) - Stockholm, Sweden
継続期間: 1995 6月 251995 6月 29

Other

OtherProceedings of the 1995 8th International Conference on Solid-State Sensors and Actuators and Eurosensors IX. Part 1 (of 2)
CityStockholm, Sweden
Period95/6/2595/6/29

ASJC Scopus subject areas

  • 工学(全般)

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