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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Novel e-nose for the discrimination of volatile organic biomarkers with an array of carbon nanotubes (CNT) conductive polymer nanocomposites (CPC) sensors
Sensors and Actuators, B: Chemical, Volume 159, No. 1, Year 2011
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Description
We report the original design of a new type of electronic nose (e-nose) consisting of only five sensors made of hierarchically structured conductive polymer nanocomposites (CPC). Each sensor benefits from both the exceptional electrical properties of carbon nanotubes (CNT) used to build the conductive architecture and the spray layer by layer (sLbL) assembly technique, which provides the transducers with a highly specific 3D surface structure. Excellent sensitivity and selectivity were obtained by optimizing the amount of CNT with five different polymer matrices: poly(caprolactone) (PCL), poly(lactic acid) (PLA), poly(carbonate) (PC), poly(methyl methacrylate) (PMMA) and a biobased polyester (BPR). The ability of the resulting e-nose to detect nine organic solvent vapours (isopropanol, tetrahydrofuran, dichloromethane, n-heptane, cyclohexane, methanol, ethanol, water and toluene), as well as biomarkers for lung cancer detection in breath analysis, has been demonstrated. Principal component analysis (PCA) proved to be an excellent pattern recognition tool to separate vapour clusters. © 2011 Elsevier B.V.
Authors & Co-Authors
Castro, M.
France, Rennes
Université Européenne de Bretagne
Kumar, B.
France, Rennes
Université Européenne de Bretagne
Feller, Jean François
France, Rennes
Université Européenne de Bretagne
Haddi, Zouhair
Morocco, Meknes
Université Moulay Ismaïl
Amari, Aziz
Morocco, Meknes
Université Moulay Ismaïl
Bouchikhi, Benachir
Morocco, Meknes
Université Moulay Ismaïl
Statistics
Citations: 110
Authors: 6
Affiliations: 2
Identifiers
Doi:
10.1016/j.snb.2011.06.073
ISSN:
09254005
Research Areas
Cancer
Environmental