Abstract
This paper describes the synthesis of gold nanoparticles (GNPs) stabilized with intelligent poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA). First, the dithioester-terminated PDMAEMA was prepared by the reversible addition-fragmentation chain transfer technique. Then, the dithioester-terminated PDMAEMA was reduced to a thiol-terminated polymer PDMAEMA-SH. PDMAEMA coated GNPs (Au@PDMAEMA NPs) were synthesized in situ from HAuCl4 aqueous solution by using NaBH4 as a reductant and thiolated PDMAEMA as a stabilizer through Au–S bond. The optical and physical properties of GNPs were characterized by UV–Vis spectroscopy, transmission electron microscopy, X-ray diffraction as well as thermogravimetric analysis. The size and shape of GNPs could be controlled by tuning both the [PDMAEMA]:[HAuCl4] molar ratio and the solution pH. It is believed that these highly biocompatible GNPs have potential biomedical applications.
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Financial support from the Science and Technology Development Program of Henan province of China (132300410235 and 122102210228) is gratefully acknowledged.
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Zhai, C., Liu, X., Chen, X. et al. Facile Synthesis of Intelligent Polymers Modified Gold Nanoparticles in Aqueous Solution. J Inorg Organomet Polym 25, 687–693 (2015). https://doi.org/10.1007/s10904-014-0146-5
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DOI: https://doi.org/10.1007/s10904-014-0146-5