Multi-ion sensing of buffer solutions using terahertz chemical microscopy

Kosuke Akimune, Yuki Okawa, Kenji Sakai, Toshihiko Kiwa, Keiji Tsukada

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Terahertz chemical microscopy (TCM) has been proposed and developed to visualize electric potential and/or chemical changes in water solutions. To simultaneously detect two types of ions mixed in buffer solutions, five membranes for sodium ions and four membranes for potassium ions were integrated on a sensing plate, and the selectivity to each ion was evaluated. The results suggest that TCM can be used for multi-ion sensing in mixed solutions.

Original languageEnglish
Pages (from-to)122401
Number of pages1
JournalApplied Physics Express
Volume7
Issue number12
DOIs
Publication statusPublished - Dec 1 2014

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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