B. Timmer

Planar interdigitated conductivity sensors for low electrolyte concentrations

Wouter Olthuis, Piet Bergveld, A. van den Berg, 2001 .

Ammonia sensors and their applications - a review

A. Berg, W. Olthuis, B. Timmer, 2005 .

Miniaturized measurement system for ammonia in air

Wouter Olthuis, A. van den Berg, K. M. van Delft, 2004 .

A new ammonia sensor based on a porous SiC membrane

J. Groeneweg, W. Olthuis, P. Sarro, 2005, The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05..

A closed-loop controlled electrochemically actuated micro-dosing system

Wouter Olthuis, Piet Bergveld, P. Bergveld, 2000 .

A closed loop controlled electrochemically actuated micro dosing system for in situ sensor calibration

P. Bergveld, W. Olthuis, S. Böhm, 2000 .

Towards a miniaturized ambient ammonia detection system

R. P. Otjes, A. Berg, P. Bergveld, 2003 .

Fluorocarbon coated micromachined gas sampling device

R. P. Otjes, P. Bergveld, W. Olthuis, 2001 .

Porous SiC as an ammonia sensor

J. Groeneweg, W. Olthuis, P. Sarro, 2004, Proceedings of IEEE Sensors, 2004..

Selective low concentration ammonia sensing in a microfluidic lab-on-a-chip

A. van den Berg, W. Olthuis, B. Timmer, 2006, IEEE Sensors Journal.

Micro-evaporation electrolyte concentrator

Wouter Olthuis, Piet Bergveld, A. van den Berg, 2003 .

Non-destructive test for anodic bonding characterisation of "thick" silicon nitride bonded to glass

A. Berg, P. Bergveld, W. Olthuis, 2002 .

Sampling small volumes of ambient ammonia using a miniaturized gas sampler.

Wouter Olthuis, Albert van den Berg, A. van den Berg, 2004, Lab on a chip.