In single-molecule electrophoresis, there is a port just big enough for a polyzwitterion (squiggly line) to pass through, while charged electrolytes (blue and red) can flow freely. (IMAGE)

University of Massachusetts Amherst

In single-molecule electrophoresis, there is a port just big enough for a polyzwitterion (squiggly line) to pass through, while charged electrolytes (blue and red) can flow freely.

Caption

In single-molecule electrophoresis, there is a port just big enough for a polyzwitterion (squiggly line) to pass through, while charged electrolytes (blue and red) can flow freely.

Credit

Lee et al.

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