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A flexural-plate-wave microbial sensor

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3 Author(s)
B. J. Costello ; California Univ., Berkeley, CA, USA ; A. W. Wang ; R. M. White

Flexural-plate-wave sensors have been used for the monitoring of the metabolism of gel-immobilized yeast. In one configuration, gel layers directly on the sensor contain the microbes and also prevent non-specific adsorption of proteins and cells onto the sensor surface. In other experiments, sensors have measured the density of solution flowing into and out of a test tube filled with yeast-containing gel beads. From the theoretical sensitivity of flexural-plate-wave sensors to perturbations in liquid density, the authors have related observed frequency shifts to physiological variables.<>

Published in:

Solid-State Sensor and Actuator Workshop, 1992. 5th Technical Digest., IEEE

Date of Conference:

22-25 June 1992