Fig. 3
From: Preparation, toxicity reduction and radiation therapy application of gold nanorods
(Reproduced with permission [26]. Copyright 2012, American Chemical Society)
A UV–vis-NIR absorption spectra of growth solutions with addition of different volume of NaBH4 (0.01 M) at pH 2: A 2, B 5, C 10, and D 15 μL; TEM images of GNRs prepared with the seeded method (B) and seedless method (C). The aspect ratio (4.8) of the two GNRs is nearly the same. The bar indicates 20 nm for (B) and 100 nm for (C), respectively