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Microchip-based chromatographic separation device has multiple independent stationary phase tracks of silicon or silicon dioxide and can be integrated into compact sensor element
Microchip-based chromatographic separation device has multiple independent stationary phase tracks of silicon or silicon dioxide and can be integrated into compact sensor element
A silicon wafer (10) has one or more, stationary phase, chromatographic tracks (11) of nano-/micro-porous silicon or silicon dioxide, typically of 30-35% porosity and 20-50 Microm pore diameter. The track compositions and operating conditions, e.g. temperature, may be the same or different.
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