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Control of Aharonov-Bohm oscillations in a AlGaAs/GaAs ring by asymmetric and symmetric gate biasing
(2001)
Light-addressable potentiometric sensors (LAPS) are field-effect-based sensors. A modulated light source is used to define the particular measurement spot to perform spatially resolved measurements of chemical species and to generate chemical images. In this work, an organic-LED (OLED) display has been chosen as a light source. This allows high measurement resolution and miniaturisation of the system. A new developed driving method for the OLED display optimised for LAPS-based measurements is demonstrated. The new method enables to define modulation frequencies between 1 kHz and 16 kHz and hence, reduces the measurement time of a chemical image by a factor of 40 compared to the traditional addressing of an OLED display.
Penicillin detection by means of field-effect based sensors: EnFET, capacitive EIS sensor or LAPS?
(2000)
Thin film chemical sensors based on chalcogenide glasses for „electronic tongue“ applications
(2001)
The hybrid K+/Ca2+ sensor based on laser scanned silicon transducer for multi-component analysis
(2002)
Optimization of passivation layers for corrosion protection of silicon-based microelectrode arrays
(2000)
An ISFET-based penicillin sensor with high sensitivity, low detection limit and long lifetime
(2001)
Penicillin detection by means of field-effect based sensors: EnFET, capacitive EIS sensor or LAPS?
(2001)
Novel concepts for flow-rate and flow-direction determination by means of pH-sensitive ISFETs
(2001)