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Figure 1
Step-by-step schematic of the formvar covering process. (a) Circular formvar film formed by the drop-cast method. (b) Multiple sample holding grids placed over the formvar film with the sample side facing the formvar film. (c) Top view after lowering parafilm to lift the formvar along with the grids. (d) Formvar-adhered parafilm kept for drying with parafilm at the bottom and formvar at the top. |
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