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Functionalized hydrogels have aroused general interest due to their versatile applications in biomaterial fields. This work reports a hydrogel network composed of gold nanoclusters linked with bivalent cations such as Ca2+, Mg2+, and Zn2+. The hydrogel exhibits both aggregation‐induced emission (AIE) and aggregation‐induced electrochemiluminescence (AIECL) effects. Most noteworthy, the AIECL effect...
Design and synthesis of new fluorophores with emission in the second near‐infrared window (NIR‐II, 1000–1700 nm) have fueled the advancement of in vivo fluorescence imaging. Organic NIR‐II probes particularly attract tremendous attention due to excellent stability and biocompatibility, which facilitate clinical translation. However, reported organic NIR‐II fluorescent agents often suffer from low...
In article number 1805549, Xiaowei Chen, Jie Liu, Hua Feng, and co‐workers prepare a new aggregation‐induced emission (AIE) luminogen (AIEgen) through molecular engineering by varying a single atom from sulfur to selenium. The resultant AIE nanoparticles have an emission tail extending to 1200 nm with a high quantum yield. The light from these nanoparticles allow for clear vessel imaging.
A fully conjugated 2D fluorescent film containing a tetraphenylethene (TPE) unit is constructed by Glaser–Hay coupling reaction on the surface of copper foil. A large‐area, freestanding fluorescent films with an average thickness 4.5 nm can be obtained through the strategy of solid–liquid interfacial synthesis. The film and the pore structure are characterized by transmission electron microscopy (TEM),...
Photodynamic therapy (PDT) and photothermal therapy (PTT) are two kinds of treatment for tumors. Herein, a new aggregation‐induced emission (AIE)gen (MeO‐TPE‐indo, MTi) is synthesized with a D–π–A conjugated structure. MTi, which has an electron donor and an acceptor on a tetraphenylethene (TPE) conjugated skeleton, can induce the effective generation of reactive oxygen species (ROS) for PDT. With...
Two‐photon photodynamic therapy (TP‐PDT) is emerging as a powerful strategy for stereotactic targeting of diseased areas, but ideal photosensitizers (PSs) are currently lacking. This work reports a smart PS with aggregation‐induced emission (AIE) feature, namely DPASP, for TP‐PDT with excellent performances. DPASP exhibits high affinity to mitochondria, superior photostability, large two‐photon absorption...
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