Understanding how ions move through nanopores can aid in designing tools for sequencing DNA. The movie shows potassium (blue ball) and chlorine (red ball) ions moving through a smooth (annealed) pore on the left, and a raw pore with dangling atoms (oxygens in purple, silicons in green) on the right. Ions accumulate (are adsorbed) by the dangling atoms at the raw pore surface, slowing their passage through the pore.
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