Please use this identifier to cite or link to this item: https://doi.org/10.1021/cm103557h
Title: Phalloidin-functionalized hyperbranched conjugated polyelectrolyte for filamentous actin imaging in living Hela cells
Authors: Li, K.
Pu, K.-Y. 
Cai, L. 
Liu, B. 
Keywords: conjugated polyelectrolyte
F-actin
fluorescence living cell imaging
hyperbranched conjugated polymer
nanospheres
phalloidin
Issue Date: 26-Apr-2011
Source: Li, K., Pu, K.-Y., Cai, L., Liu, B. (2011-04-26). Phalloidin-functionalized hyperbranched conjugated polyelectrolyte for filamentous actin imaging in living Hela cells. Chemistry of Materials 23 (8) : 2113-2119. ScholarBank@NUS Repository. https://doi.org/10.1021/cm103557h
Abstract: A phalloidin-functionalized hyperbranched conjugated polyelectrolyte (HCPE-phalloidin) is synthesized and used for direct filamentous actin (F-actin) imaging in living Hela cells. Different from commercially available organic dye-phalloidin conjugates, which require sophisticated techniques to be delivered into living cells, simple incubation of living cells with HCPE-phalloidin leads to efficient internalization of the probe and clear visualization of F-actin due to high brightness of HCPE and good specificity between phalloidin and actin. In addition, HCPE-phalloidin possesses improved photostability as compared to that for commercially available Alexa Fluor 488-phalloidin conjugates, suggesting that the new probe is promising for long-term F-actin imaging in living cells. Further fine-tuning the fluorescent property and targeting ability of HCPE-based probes could lead to more complicated imaging applications and subcellular target detection. © 2011 American Chemical Society.
Source Title: Chemistry of Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/64394
ISSN: 08974756
DOI: 10.1021/cm103557h
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