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Materials with long‐wavelength second near‐infrared (NIR‐II) emission are highly desired for in vivo dynamic visualizating of microstructures in deep tissues. Herein, by employing an atom‐programming strategy, a series of highly fluorescent semiconducting oligomers (SOMs) with tunable NIR‐IIb emissions are developed for bioimaging applications. After self‐assembly into nanoparticles (NPs), they show...
Traditional photosensitizers (PSs) show reduced singlet oxygen (1O2) production and quenched fluorescence upon aggregation in aqueous media, which greatly affect their efficiency in photodynamic therapy (PDT). Meanwhile, non‐targeting PSs generally yield low efficiency in antibacterial performance due to their short lifetimes and small effective working radii. Herein, a water‐dispersible membrane...
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