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Jun'An Liu, Xiaolei Wei, Jianhua Cao, Hong Jiang, "CdTe Quantum dots Modified by Polyamidoamine Dendrimers for Cell Imaging", Journal of Chemistry, vol. 9, Article ID 195897, 4 pages, 2012. https://doi.org/10.1155/2012/195897
CdTe Quantum dots Modified by Polyamidoamine Dendrimers for Cell Imaging
Abstract
Water soluble CdTe quantum dots have shown potential as a platform for development of live cell imaging, but their cytotoxicity limits their biological applications. To decrease their cytotoxicity, an approach to modify CdTe quantum dots (QDs) with polyamidoamine (PAMAM) was employed by forming covalent bonds between them. The resultant nanocomposites as a cell imaging bioprobe for live PK15 and their in vitro toxicity were also investigated. The results showed that the prepared nanocomposites were able to enter PK15 cells with good biocompatibility and low cellular toxicity.
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Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
