3D array integrated cells for the sampling and detection of...

Measuring and testing – Sampler – sample handling – etc. – With constituent separation

Reexamination Certificate

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C073S863110, C417S413300, C417S413100

Reexamination Certificate

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06889567

ABSTRACT:
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible diaphragm disposed through cavities or pumping chambers formed between two opposing electrostatically chargeable material layers. Fluid is pumped through the chambers by sequentially moving the diaphragm toward the first chargeable layer, then towards the second chargeable layer, which can pull and push the fluid through a series of chambers, and past the sensor. One group of sensors utilizes multiple and varied chemoresistive sensors which can vary in resistance differently in response to the presence of various analytes. Another group of sensors utilizes chemo-fluorescent sensors that fluoresce in the presence of particular analytes. Some mesopump-sensor systems can be manufactured using MEMS technology and can be coupled to controllers for sequencing the pumps and analyzing sensor outputs using methods including Principle Component Analysis.

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