The chemical and photophysical properties of a fluorescent squaraine dye are greatly enhanced when it is mechanically encapsulated inside a tetralactam macrocycle. This feature article describes the synthesis, structure, and photophysical performance of first-generation squaraine rotaxanes, and shows how they can be used as fluorescent imaging probes and chemosensors.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2854661 | PMC |
| http://dx.doi.org/10.1039/b911064j | DOI Listing |
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