Figure 1: Concepts of mini-microscopy and expansion microscopy.

(A) Photograph showing the mini-microscope; scale bar: 5 mm. (B,C) Mini-microscope images of a hemocytometer at 8X and 20X, respectively; scale bars: 100 μm and 50 μm. (D,E) Mini-microscope images of NIH/3T3 fibroblasts at 8X and 20X, respectively; scale bars: 200 μm and 100 μm. (F) Principle of expansion microscopy (ExM).