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PositiveID receives patent for sample preparation technology

PositiveID's subsidiary MicroFluidic Systems has received a new international patent (WO2006/029387) from World Intellectual Property Organization covering the rapid, automated and portable sample preparation of nucleic acids, such as DNA and RNA

The technology, which detects pathogens in both field and clinical environments, purifies samples to be run on commercial PCR instruments.

The patent covers a handheld and portable extraction tool which includes a syringe-like device coupled to a nucleic acid purification chip.

The purification chip is included within a chip block which is removable from the remaining portion of the handheld and portable extraction device.

The analyte collected within the purification chip is removed and analyzed.

MFS CEO Allen Northrup said the new patent is an important addition to their repertoire of technologies aimed at automating biological sample preparation and analysis, and in particular extending it into field and clinical-based scenarios.