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Micro and Nano Systems Letters
Fig. 5 | Micro and Nano Systems Letters

Fig. 5

From: High-throughput magnetic particle washing in nanoliter droplets using serial injection and splitting

Fig. 5

Fluorescence measurements of droplet concentration after washing. a Droplets from outlets W1, W2, and C1 were pooled from the two-stage device, imaged and fluorescence intensity recorded. b Fluorescence images of droplets collected individually from outlets W1 (left), W2 (center), and C1 (right). c Droplets from outlets W1, W2 and C1 pooled from a two-stage device in an experiment with 22 µm diameter magnetic microparticles in the input droplets. The auto-fluorescent magnetic microparticles are present only in droplets with low solution fluorescence

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