Fig. 2: The fabrication process of the MNRs and MNR-SCs.
From: Minimizing nanorobot swarm loss for near-infrared-responsive chemo-photothermal therapy

a Chemical loading of AZO and DOX onto the surface of MNRs. b Droplet microfluidic method for fabricating the MNR-SC with encapsulated MNRs. c Bright-field image of the MNR-SCs. The scale bar is 100 μm. d Images of test tubes before and after centrifugation. e Size distribution of the MNR-SCs (n = 100).