Discrimination of aliphatic homologues and isomers using trap and GC enhanced SAW based electronic noses
We present a new electronic nose system for discrimination of chemically related analytes and complex mixtures. The system employs a miniaturized array of eight polymer coated surface acoustic wave (SAW) sensors and a small preconcentration unit ('trap'). A GC column with atmospheric press...
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| creator | Barie, N. Rapp, M. |
| description | We present a new electronic nose system for discrimination of chemically related analytes and complex mixtures. The system employs a miniaturized array of eight polymer coated surface acoustic wave (SAW) sensors and a small preconcentration unit ('trap'). A GC column with atmospheric pressure air as the carrier gas is implemented as a separation unit. Design considerations are made with particular emphasis on the necessities arising from the interplay between sensors, coatings, trap, column, gas fluidics, and pattern recognition software. The system was tested against alkane homologues and hexane isomers. It successfully identifies n-hexane from other alkanes, even at very small concentrations ( |
| doi_str_mv | 10.1109/ICSENS.2004.1426389 |
| format | Conference Proceeding |
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The system employs a miniaturized array of eight polymer coated surface acoustic wave (SAW) sensors and a small preconcentration unit ('trap'). A GC column with atmospheric pressure air as the carrier gas is implemented as a separation unit. Design considerations are made with particular emphasis on the necessities arising from the interplay between sensors, coatings, trap, column, gas fluidics, and pattern recognition software. The system was tested against alkane homologues and hexane isomers. It successfully identifies n-hexane from other alkanes, even at very small concentrations (<1 ppm).</abstract><cop>Piscataway NJ</cop><pub>IEEE</pub><doi>10.1109/ICSENS.2004.1426389</doi></addata></record> |
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| identifier | ISBN: 0780386922 |
| ispartof | Proceedings of IEEE Sensors, 2004, 2004, p.1183-1186 vol.3 |
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| language | eng |
| recordid | cdi_ieee_primary_1426389 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Acoustic arrays Acoustic sensors Acoustic waves Chemical analysis Chemical sensors Communication, education, history, and philosophy Electron traps Electronic noses Exact sciences and technology Fundamental areas of phenomenology (including applications) General equipment and techniques Imaging and optical processing Instruments, apparatus, components and techniques common to several branches of physics and astronomy Optics Pattern recognition Physics Physics literature and publications Polymer films Sensor arrays Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Surface acoustic waves |
| title | Discrimination of aliphatic homologues and isomers using trap and GC enhanced SAW based electronic noses |
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