Penicillin_sensor

Penicillin_sensor - M Schoening et al Sensors and Actuators...

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The Potentiometric Penicillin Sensor
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M. Thust et al., Analytica Chimica Acta 323 (1996) 115-121 Penicillin Sensor Penicillin Sensor The enzyme penicillinase hydrolyzes penicillin dissolved in aqueous solution to liberate a hydrogen ion: penicillin + H 2 0 => penicilloate - + H +
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Penicillin Sensor Penicillin Sensor Change in pH Change in surface charge Change in zeta-potential Shift in capacitance- voltage curves Adjust the voltage to keep the capacitance constant M. Thust et al., Analytica Chimica Acta 323 (1996) 115-121
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Penicillin Sensor – Long-term Stability Penicillin Sensor – Long-term Stability M. Thust et al., Analytica Chimica Acta 323 (1996) 115-121
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Unformatted text preview: M. Schoening et al., Sensors and Actuators B 47 (1998) 225–230 Penicillin Sensor – pH Reference Penicillin Sensor – pH Reference M. Schoening et al., Sensors and Actuators B 47 (1998) 225–230 Penicillin Sensor – pH Reference Penicillin Sensor – pH Reference M. Schoening et al., Sensors and Actuators B 47 (1998) 225–230 Penicillin Sensor – pH Reference Penicillin Sensor – pH Reference S. Caras and J. Janata, Anal. Chem. 52, 1935-1937 (1980) Penicillin Sensor – ISFET design Penicillin Sensor – ISFET design • Different immobilization: Lifetime only 60 days !...
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Penicillin_sensor - M Schoening et al Sensors and Actuators...

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