The Light Scattering Profile (LSP) of an individual cell provides a fast and accurate characterization of its morphological properties. By combining a camera-based small angle light scattering apparatus with a microfluidic-induced particle migration technique, it is possible to characterize cells in microfluidic flows. The scattering profile of an individual cell can be fully characterized by our optimized optical light collection system. Viscoelastic-induced particle migration by polyethylene oxide implemented in a low-cost microfluidic device composed of an alignment section and a measuring section opens the possibility of precise, label-free, individual cell analysis. We have studied living cells in microfluidic flows by our light scattering apparatus and by a Digital Holographic Microscope (DHM) system. Our DHM measurements provided an accurate 3D position tracking even in multiple cell conditions.
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