Mechanical tightening of a synthetic molecular knot (IMAGE)

University of Liège

Mechanical tightening of a synthetic molecular knot

Caption

Depiction of the interfacing of the molecular knot between the AFM tip and the substrate. The knot (in blue) conformation is maintained by coordination to a Lu3+ ion (in green). Two poly(ethylene glycol) chains are used as tethers for the trapping of the knot between the tip and the substrate. The mechanical tightening of the knot is associated with an incremental distance of 1.1 nm.

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©University of Liège / AS Duwez

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