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. 2014 May 27;9:2635–2653. doi: 10.2147/IJN.S59834

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© 2014 Salunke et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Figure 1A–C — Ultraviolet-visible spectra of nanoparticles synthesized from PZRE at 37°C as a function of time. (A) AgNPs from PZRE in 1 mM AgNO₃; (B) AuNPs from PZRE in 1 mM HAuCl₄; (C) AgAuNPs from PZRE in 1 mM AgNO₃ and HAuCl₄ solution in the ratio 1:1.

Abbreviations: HAuCl₄, chloroauric acid; AgNO₃, silver nitrate; PZRE, Plumbago zeylanica root extract; AgNPs, silver nanoparticles; AuNPs, gold NPs; AgAuNPs, bimetallic NPs; OD, optical density.