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Article Abstract
To evaluate the contribution of host-guest chemistry in fluorescence enhancement under aqueous conditions, two benzo[]phenoxazine derivatives with the adamantyl group were prepared. After they formed stable complexes with methyl-β-cyclodextrin, their emissions at 625-825 nm were greatly increased and fluorescence quantum yields reached 11.5-12.6% in aqueous solution. Furthermore, they were successfully applied in fluorescence labeling of organelles in HeLa cells.
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