Figure 1 | Scientific Reports

Figure 1

From: Magnetophoretic sorting of microdroplets with different microalgal cell densities for rapid isolation of fast growing strains

Figure 1

Schematic showing the separation of magnetic microdroplets with different cell densities. All magnetic droplets are attracted by the same magnetic force because they contain the same number of magnetic nanoparticles. There are differences in the number of encapsulated cells that can make different cell densities in the magnetic droplets. The net force on the magnetic microdroplet can be expressed by the difference in the magnetic and drag force. From Newton’s second law of motion, the mass of the microdroplet can determine the lateral displacement of the droplet due to the difference in the acceleration. Therefore, it is possible to separate the magnetic microdroplets with different cell densities using a magnetic field.

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