Andrea Geupel

A novel sensor principle for the detection of low levels of NO and NO2

Ralf Moos, Andrea Geupel, Gregor Beulertz, 2011 .

Platform for a Hydrocarbon Exhaust Gas Sensor Utilizing a Pumping Cell and a Conductometric Sensor

Maximilian Fleischer, Kerstin Wiesner, Ralf Moos, 2009, Sensors.

Determination of the NOx Loading of an Automotive Lean NOx Trap by Directly Monitoring the Electrical Properties of the Catalyst Material Itself

Ralf Moos, Andrea Geupel, Sebastian Reiß, 2011, Sensors.

Integrating nitrogen oxide sensor: A novel concept for measuring low concentrations in the exhaust gas

Ralf Moos, Andrea Geupel, David J. Kubinski, 2010 .

Accumulating gas sensor principle – how to come from concentration integration to real amount measurements

Ralf Moos, Andrea Geupel, Gregor Beulertz, 2011 .

Integrating NOx Sensor for Automotive Exhausts : a Novel Concept

Ralf Moos, Andrea Geupel, David J. Kubinski, 2011 .