A High‐Affinity “Synthavidin” Receptor for Squaraine Dyes
Federica Balduzzi,
Patrick Stewart,
Soumen K. Samanta
et al.
Abstract:Strong‐binding host–guest pairings in aqueous media have potential as “supramolecular glues” in biomedical techniques, complementing the widely‐used (strept)avidin‐biotin combination. We have previously found that squaraine dyes are bound very strongly by tetralactam macrocycles possessing anthracenyl units as cavity walls. Here we show that replacing the anthracenes with pentacyclic 5,7,12,14‐tetrahydro‐5,7,12,14‐tetraoxapentacene (TOP) units generates receptors which bind squaraines with increased affinities… Show more
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