Refine
Year of publication
Document Type
- Article (95)
- Conference Proceeding (11)
- Part of a Book (2)
- Report (1)
Keywords
- light-addressable potentiometric sensor (2)
- Biosensor (1)
- Chemical imaging (1)
- Field-effect device (1)
- I3S 2005 (1)
- International Symposium on Sensor Science (1)
- Light-addressable Potentiometric Sensor (1)
- Light-addressable potentiometric sensor (1)
- Potentiometry (1)
- acetoin (1)
- acetoin reductase (1)
- actuator-sensor system (1)
- alcoholic beverages (1)
- aseptic parameters (1)
- biosensors (1)
- capacitive field-effect sensors (1)
- chemical sensor (1)
- enzymatic biosensor (1)
- enzyme kinetics (1)
- gaseous hydrogen peroxide (1)
Online-Messsysteme für die automatisierte Charakterisierung von feldeffektbasierten Biosensoren
(2007)
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.