Sandia's Sensor Microsystems effort develops sensors and sensor arrays for chemical, physical, and biological detection.
The MicroChemLab is a handheld chemical analysis system that combines sample handling, separation, and detection. MicroChemLab combines three cascaded stages; each realized using microfabricated components.
The discrimination power of analytical chemistry techniques may one day be realized with micro-analytical systems that combine sensors with means for collecting samples, preconcentrating them, and separating constituent species for identification and quantification. Work is underway to construct on-chip building blocks for these systems, including pumps, valves, preconcentrators, gas-chromatograph columns, and sensors.
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):
- Microanalytical systems combine sensor(s), sample handling, and species separation on a chip
- Micromachined gas chromatograph column separates gas-phase analytes
Chemical and biological weapon detection (NN)