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Micro and Nano Systems Letters
Fig. 1 | Micro and Nano Systems Letters

Fig. 1

From: Magnetic micropump embedded in contact lens for on-demand drug delivery

Fig. 1

a Schematic illustration of the proposed thin magnetic micropump integrated in contact lens. In the cross-sectional view, it shows the drug can be released from the micropump into the post-lens tear film through the aperture in the PDMS membrane. b–c The working principle of the proposed micropump: the status of the micropump under no actuation and actuation of magnetic field pulse, respectively. d The resulting on-demand drug release under an external controllable magnetic field pulse

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