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Stoddart Mechanostereochemistry Group
   

22 Apr 2015

Exposing Knock–Offs with Heterorotaxane-Based Security Inks - The dynamic nature of a heterorotaxane with tunable solid–state fluorescent emissions can be enabled through reversible manipulation of its aggregation by supramolecular encapsulation. When this integrated system is introduced into fluorescent security inks, the information encoded in polychromic images can be protected in such a way that is close to impossible to reverse engineer. The system is described in Nature Communications published on 22 April 2015. For how it can be used to thwart counterfeiters, see the piece in The Conversation as well as on the NU Website.

 

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