A low-cost photonic lab-on-a-chip with three different working regimes for cell screening is presented: scattering, scattering+absorbance and absorbance. A Limit of Detection (LOD) of 53 ± 1 cells has been obtained. It has also been used for measuring dead/live cell ratios, obtaining a LOD of 6.7 ± 0.3% of dead cells.
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