Modular Construction of AIE-Active Supramolecular Cages with Tunable Fluorescence for NIR-II Blood Vessel Imaging
Source abstract
Abstract
Fluorescent supramolecular cages have attracted significant scientific interest owing to their widespread applications in molecular sensing, luminescent materials, and biological systems. However, the modular construction of such assemblies with tunable emission behaviors affording high-performance bioimaging applications is still challenging. Herein, we developed a general and straightforward protocol to formulate supramolecular cages with an aggregation-induced emission (AIE) tendency by using “donor–acceptor–donor (D–A–D)” adducts as building blocks. A series of box-shaped cages MA–MG with adjustable fluorescence from red to the second near-infrared (NIR-II) region were successfully prepared. In particular, the emission maximum of MG was located at 981 nm, behaving like the rare NIR-II emissive supramolecular cages thus far, and the cage-loaded nanoparticles MGNPs featured a high absolute quantum yield in the NIR-II region, which enabled them to perform well in blood vessel imaging.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence and Fluorescent Materials · Supramolecular Chemistry and Complexes · Supramolecular Self-Assembly in Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
School of Science and Engineering, Shenzhen Key Laboratory of Functional Aggregate Materials, The Chinese University of Hong Kong, Shenzhen 518172, China
Funding
China Postdoctoral Science Foundation · Natural Science Foundation of Guangdong Province for Distinguished Young Scholars · National Natural Science Foundation of China · Shenzhen Government
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