Application of a flow-through type pH/CO2 sensor system based on ISFET for evaluation of the glucose dependency of the metabolic pathways in cultured cells

Satoshi Mohri, Akira Yamada, Noriko Goda, Michihiro Nakamura, Keiji Naruse, Fumihiko Kajiya

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We have previously reported that a flow-through type pH/CO2 sensor system using two ion sensitive field effect transistors (ISFETs) could be utilized to evaluate the production rate of total carbonate (secreted CO2 + secreted bicarbonate ion) and free lactic acid (secreted lactic acid - secreted bicarbonate ion). To validate the usefulness of this system, we applied it to the quantitative analysis of metabolic switching by the change of glucose concentrations in cultured bovine arterial endothelium cell, human umbilical vein endothelium cell and rat cardiac muscle cell. In all of these cell species, a decrease of glucose concentration increased total carbonate that represents the cellular respiration activity and decreased free lactic acid that represents glycolysis activity. We firstly analyzed a switching of metabolic pathways from glycolysis to respiration with a decrease of glucose quantitatively. This ISFET system can be applicable to many biological investigations by analyzing metabolic activity and give dynamic cellular information.

Original languageEnglish
Pages (from-to)447-450
Number of pages4
JournalSensors and Actuators, B: Chemical
Volume134
Issue number2
DOIs
Publication statusPublished - Sep 25 2008

Fingerprint

Ion sensitive field effect transistors
pH sensors
Lactic acid
cultured cells
glucose
lactic acid
Glucose
Lactic Acid
carbonates
field effect transistors
Carbonates
Cells
glycolysis
Bicarbonates
endothelium
evaluation
sensors
respiration
ions
cells

Keywords

  • Carbon dioxide
  • Energy metabolism
  • Extracellular acidification
  • Glycolysis
  • ISFET
  • Lactic acid
  • Respiration

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

Application of a flow-through type pH/CO2 sensor system based on ISFET for evaluation of the glucose dependency of the metabolic pathways in cultured cells. / Mohri, Satoshi; Yamada, Akira; Goda, Noriko; Nakamura, Michihiro; Naruse, Keiji; Kajiya, Fumihiko.

In: Sensors and Actuators, B: Chemical, Vol. 134, No. 2, 25.09.2008, p. 447-450.

Research output: Contribution to journalArticle

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