Selectivity enhancement of metal oxide gas sensors using a micromachined gas chromatographic column

S Zampolli, I Elmi, J Stürmann, S Nicoletti, L Dori… - Sensors and Actuators B …, 2005 - Elsevier
Indoor air quality monitoring applications require both high sensitivity and selectivity, which
are difficult to reach with solid state gas sensors. While for some gas species like, eg CO and …

A selective gas detection micro-device for monitoring the volatile organic compounds pollution

JB Sanchez, F Berger, M Fromm, MH Nadal - Sensors and Actuators B …, 2006 - Elsevier
The discrimination of various chemical compounds is generally impossible by using a single
tin dioxide-based gas sensor. This research is focused on the development of a hybrid micro …

Detection and quantification of lung cancer biomarkers by a micro-analytical device using a single metal oxide-based gas sensor

G Gregis, JB Sanchez, I Bezverkhyy, W Guy… - Sensors and Actuators B …, 2018 - Elsevier
The analysis of exhaled volatile organic compounds (VOCs) related to lung cancer is a very
promising way in medical diagnosis because it is non-invasive and much less expensive …

Multisensor microsystem for contaminants in air

P Althainz, J Goschnick, S Ehrmann, HJ Ache - Sensors and Actuators B …, 1996 - Elsevier
A novel multisensor microsystem for gas sensing, containing 39 metal oxide detectors, 2
temperature sensors and 4 heaters on an area of 8× 9 mm2, is described including design …

Application of a miniaturised packed gas chromatography column and a SnO2 gas detector for analysis of low molecular weight hydrocarbons with focus on ethylene …

A Sklorz, S Janßen, W Lang - Sensors and Actuators B: Chemical, 2013 - Elsevier
In this paper the combination and application of a silicon based miniaturised gas
chromatography (GC) column packed with Carboxen 1000 and a gas detector based on a …

Integrated pre-concentrator gas sensor microsystem for ppb level benzene detection

M Leidinger, M Rieger, T Sauerwald, C Alépée… - Sensors and Actuators B …, 2016 - Elsevier
An integrated microsystem for (indoor) air quality monitoring applications is presented. By
combining a gas pre-concentrator based on metal-organic frameworks (MOFs) and a metal …

A micromachined solid state integrated gas sensor for the detection of aromatic hydrocarbons

A Götz, I Gracia, C Cané, E Lora-Tamayo… - Sensors and Actuators B …, 1997 - Elsevier
Preliminary studies to obtain an integrated solid state gas microsensor are presented in this
work. FEM thermal simulations have been carried out to optimize the membrane and heater …

An electronic nose based on solid state sensor arrays for low-cost indoor air quality monitoring applications

S Zampolli, I Elmi, F Ahmed, M Passini… - Sensors and Actuators B …, 2004 - Elsevier
The occurrence of illnesses related with poor ventilation has driven an increasing attention
towards indoor air quality monitoring. In buildings equipped with climate control systems, the …

Monolithic thin-film metal-oxide gas-sensor arrays with application to monitoring of organic vapors

X Wang, WP Carey, SS Yee - Sensors and Actuators B: Chemical, 1995 - Elsevier
This paper presents the study of eight-element gas-microsensor arrays that have been
developed by silicon-based microfabrication and micromachining techniques combined with …

Real-time monitoring of sub-ppb concentrations of aromatic volatiles with a MEMS-enabled miniaturized gas-chromatograph

S Zampolli, I Elmi, F Mancarella, P Betti… - Sensors and Actuators B …, 2009 - Elsevier
Micromachined gas-chromatographic (GC) components in combination with high sensitivity
MOX detectors and novel pre-concentration materials were utilized to develop a …