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CMOS-Based Cytometer and Differential Interference Contrast Sensing

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Abstract

Many sensing applications, including ballast water or remote areas drinking water testing and point-of-care medical diagnosis, would vastly benefit from low-cost compact sensing equipment. By exploiting the full field-of-view of CMOS or CCD image sensor arrays (ISA), coupled with a computation unit and off-the-shelf optical and electrical components, one can bring down the cost and complexity of sensing devices while maintaining excellent performance. In this paper, we present two such portable devices for detecting and counting microorganisms in water, and for reading biomarker protein microarrays, respectively.

© 2017 Optical Society of America

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