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Microsensors

Micro ChemLab



The µChemLab is a handheld chemical analysis system that combines sample handling, separation, and detection. µChemLab combines three cascaded stages; each realized using microfabricated components.

Stage one collects and concentrates samples.
Stage two is a gas chromatography (GC) column used to achieve sample separations.
Stage three is an array of surface acoustic wave (SAW) sensors used to detect the sample.

For more information, select a stage from the image below or download the brochure (pdf):

Stage 1 Stage 2 Stage 3 Microchem

Preconcentrator
Stage 1

Separation
Stage 2
Detection
Stage 3

Overview

  • Microanalytical systems combine sensor(s), sample handling, and species separation on a chip

  • Micromachined gas chromatograph column separates gas-phase analytes

Applications

  • Explosive detection

  • DNA Sequencing

  • Chemical and biological weapon detection (NN)
separtaion
separation

Please address comments or questions to MGA@sandia.gov.


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