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Sample loading and mechanical scanning schemes in the reported platform. (a) 3D-printed plastic gear for controlling focus knob. (b) Sample scanning using a mechanical kit and sample loading using a programmable robotic arm. XM: x-axis motor; YM: y-axis motor; XYG: x-y scanning gear group; ZM: z-axis motor; ZG: z-axis scanning gear. Also refer to Visualization 1 (13.1MB, MP4) and Visualization 2 (7.2MB, MP4) .
