A vibrating probe thermal biochemical sensor

Bruce C. Towe, Eric J. Guilbeau

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Rapid vibration of small enzyme-thermopile biochemical sensors in solution has been observed to substantially improve their thermal noise rejection. Millimeter-order 20 Hz vibratory excursions of a thermal biosensor by a piezoelectric bender element were found to be effective in eliminating the need for temperature controlled dewars, flow streams, or special thermal environments ordinarily required to operate these sensors. Vibrated thermopiles have been made into biochemical sensors by attaching thin membrane hollow fibers to the thermopile sensing region and perfusing the lumen of the fiber with small quantities of an enzyme solution. This process can give the biosensor an extended lifetime by allowing easy replacement of the enzyme. Vibrated enzyme-thermopile biochemical sensors can be realized in a convenient and compact probe-type configuration that is directly immersible into a test solution.

Original languageEnglish (US)
Pages (from-to)247-252
Number of pages6
JournalBiosensors and Bioelectronics
Volume11
Issue number3
DOIs
StatePublished - 1996

Fingerprint

Thermopiles
Enzymes
Hot Temperature
Sensors
Biosensing Techniques
Biosensors
Dewars
Thermal noise
Fibers
Vibration
Membranes
Temperature

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Electrochemistry

Cite this

A vibrating probe thermal biochemical sensor. / Towe, Bruce C.; Guilbeau, Eric J.

In: Biosensors and Bioelectronics, Vol. 11, No. 3, 1996, p. 247-252.

Research output: Contribution to journalArticle

Towe, Bruce C. ; Guilbeau, Eric J. / A vibrating probe thermal biochemical sensor. In: Biosensors and Bioelectronics. 1996 ; Vol. 11, No. 3. pp. 247-252.
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