Please use this identifier to cite or link to this item: https://doi.org/10.1021/nn800442q
Title: The synthesis of SERS-active gold nanoflower tags for in vivo applications
Authors: Xie, J. 
Zhang, Q. 
Lee, J.Y. 
Wang, D.I.C.
Keywords: Gold
Limited ligand protection
Living cells
Nanoflowers
Raman tags
SERS
Issue Date: 23-Dec-2008
Source: Xie, J., Zhang, Q., Lee, J.Y., Wang, D.I.C. (2008-12-23). The synthesis of SERS-active gold nanoflower tags for in vivo applications. ACS Nano 2 (12) : 2473-2480. ScholarBank@NUS Repository. https://doi.org/10.1021/nn800442q
Abstract: This paper reports a simple, one-pot, template-free synthesis of flower-like Au nanoparticles (three-dimensional branched nanoparticles with more than 10 tips) with high yield and good size monodispersity at room temperature. The size of the Au nanoflowers could be tuned by controlling the composition of the starting reaction mixture. The key synthesis strategy was to use a common Good's buffer, HEPES, as a weak reducing and particle stabilizing agent to confine the growth of the Au nanocrystals in the special reaction region of limited ligand protection (LLP). Time-course measurements by UV-vis spectroscopy and TEM were used to follow the reaction progress and the evolution of the flower-like shape. The Au nanoflowers exhibited strong surface-enhanced effects which were utilized in the design of an efficient, stable, and nontoxic Raman-active tag for in vivo applications. © 2008 American Chemical Society.
Source Title: ACS Nano
URI: http://scholarbank.nus.edu.sg/handle/10635/64721
ISSN: 19360851
DOI: 10.1021/nn800442q
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