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. 2017 Jan 11;7(1):10. doi: 10.3390/nano7010010

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© 2017 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Characterization of the synthesized AuNP@citrate and Au-nanobeacon; (a) Size distribution of the synthesized AuNP@citrate, Inset: Transmission electron microscopy (TEM) image of the AuNP@citrate (scale bar: 100 nm); (b) Ultra-violet (UV)-Vis spectra of the AuNP@citrate (solid black line) and Au-nanobeacon (solid grey line); (c) Hydrodynamic diameter of AuNP@citrate and Au-nanobeacon; (d) Calibration curve for the quantification of the number of hairpins per PEGylated AuNPs; (e) Zeta potential of AuNP@citrate and Au-nanobeacon.