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A photovoltage-based integrated sensor for nephrotoxicity evaluation under drug stimulation

  • J. Wang
  • , H. Yu
  • , H. Cai
  • , L. P. Du
  • , Q. J. Liu
  • , P. Wang
  • Key Lab of the Ministry of Education for Process Control and Efficiency Egineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

A monolithically integrated sensor based on photovoltage technique is developed for kidney metabolism detection under drug toxicity. The sensor utilizes the light-addressable potentiometric sensor with an electrolyte-insulator-semiconductor (EIS) structure for measuring cellular metabolic rate, and a gold metal layer is deposited on partial surface of silicon dioxide for extracellular redox (reduction-oxidation) potential detection. The neonatal rat's kidney cells are confined to a flow chamber with a volume of 50 μl, in which the constructed sensor continuously monitoring the rate of acid metabolites, and the redox potential in extracellular microenvironment. The synthesis parameters detected reflect the cellular metabolic and active condition after drug stimulation, which demonstrates the potentials for nephrotoxicity evaluation and preclinical drug screening.

Original languageEnglish
Title of host publication2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages2122-2125
Number of pages4
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China
Duration: 5 Jun 2011 → 9 Jun 2011

Publication series

Name2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11

Conference

Conference2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Country/TerritoryChina
CityBeijing
Period5/06/11 → 9/06/11

Keywords

  • Drug screening
  • Integrated chemical sensor
  • Photovoltage technique

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