Method and apparatus for low quantity detection of bioparticles in small sample volumes

Abstract

A novel apparatus and method is described for detection of very small quantities (a few hundred molecules) of bioparticles in nanoliter/picoliter quantities of a sample. The apparatus involves a very small and low cost apparatus that contains a fluorometer. The detection process uses the fluorescence of nanoparticles. Dielectrophoresis is used to concentrate, mix and position the target particles with regard to the light sensor such that maximum detection efficiency is achieved. This allows low cost implementation of low cost point of care tests for disease (animal and plant), infection, food-borne bacteria detection, nucleotide sequencing and pathogen detection (bioterrorism) in real world applications.

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