Development of a planar type ion sensor for urine testing

Kenji Sakai, T. Yamamoto, R. Sugai, Toshihiko Kiwa, Keiji Tsukada

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A new planar-type ion sensor with an Ag/AgCl electrode without a standard solution and liquid junction was proposed for urine testing. The proposed sensor integrates a reference electrode onto a single chip, and thus, it is possible to manufacture a compact planar-type ion sensor. The potential change of the developed sensor is proportional to the Na+ and K+ concentration. Although the Ag/AgCl electrode without a standard solution and liquid junction reacted to Cl-, AC impedance analysis was used to compensate the effect of Cl-on the potential change. Therefore, the proposed planar-type ion sensor can be used for routine urine testing because the proposed sensor is low cost, disposable, and also has a simple structure.

Original languageEnglish
Pages (from-to)706-710
Number of pages5
JournalSensor Letters
Volume13
Issue number8
DOIs
Publication statusPublished - Aug 1 2015

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urine
sensors
Sensors
Ions
Testing
ions
Electrodes
electrodes
Liquids
liquids
alternating current
chips
impedance
Costs

Keywords

  • AC impedance
  • Ion sensor
  • Reference electrode
  • Urine testing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Development of a planar type ion sensor for urine testing. / Sakai, Kenji; Yamamoto, T.; Sugai, R.; Kiwa, Toshihiko; Tsukada, Keiji.

In: Sensor Letters, Vol. 13, No. 8, 01.08.2015, p. 706-710.

Research output: Contribution to journalArticle

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