An Aromatic Micelle‐Based Saccharide Cluster with Changeable Fluorescent Color and its Protein Interactions
作者:Haruna Narita、Lorenzo Catti、Michito Yoshizawa
DOI:10.1002/anie.202102547
日期:2021.6
To develop a new type of synthetic saccharideclusters with changeablefluorescent colors, we herein designed a multisaccharide-coated aromaticmicelle. The new cluster forms in water through the quantitative assembly of bent polyaromatic amphiphiles bearing three mannose groups. The spherical assembly, with a 2 nm-sized polyaromatic core and ca. 18 saccharide pendants, is stable even under high dilution
V-shaped polyaromatic amphiphiles with phenanthrene or naphthalene rings spontaneously and quantitatively formed micelle-like nanocapsules in water at room temperature. In contrast to usual polyaromatic aggregates with weak fluorescent properties, the new capsules providing spherical polyaromatic shells with diameters of similar to 2 nm show strong fluorescent emissions due to an aggregation-induced enhanced emission (AIEE) effect and moreover encapsulate a fluorescent coumarin dye to generate highly emissive host-guest composites.