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A Type of Atypical AIEgen Used for One-Photon/Two-Photon Targeted Imaging in Live Cells
Ist Teil von
ACS applied bio materials, 2020-01, Vol.3 (1), p.505-511
Ort / Verlag
United States: American Chemical Society
Erscheinungsjahr
2020
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Aggregation-induced emission luminogens (AIEgens) with a large electron donor and acceptor (D–A) conjugated system have been widely used in the development of organic light emitting diodes (OLEDs), chemosensors, and bioimaging materials due to their excellent properties such as high quantum yields, long emission wavelengths, controllable luminescence lifetimes, and nonlinear optics (NLO) properties. However, most of the AIE materials have been derived from limited classic AIE cores such as tetraphenylethene (TPE) and tetraphenylpyrazine (TPP), and thus, tedious syntheses or later modifications toward those AIEgens have always been unavoidable. In this report, a type of atypical AIEgens (designated as ASIQs) composed of large conjugated structures with a natural electron D–A system is disclosed, which shows large Stokes shifts, high photostabilities, excellent cell permeabilities, low biotoxicities, and good two-photon excited capacities, making them suitable for applications of one-photon/two-photon targeted imaging in live cells. In short, this work offers a type of atypical AIEgens which will possibly become an ideal platform leading to more structurally diverse and functionally excellent AIE-based luminescent materials.
Sprache
Englisch
Identifikatoren
ISSN: 2576-6422
eISSN: 2576-6422
DOI: 10.1021/acsabm.9b00946
Titel-ID: cdi_proquest_miscellaneous_2619216043
Format
–
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