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. Author manuscript; available in PMC: 2015 Jun 18.
Published in final edited form as: Analyst. 2015 May 18;140(11):3731–3737. doi: 10.1039/c5an00207a

Figure 5. In vivo Sensitivity and Stability.

Figure 5

A) Decreasing concentrations (2.6 – 0.52 µM uranium complex or 2.85 – 0.57 ppm uranium) of complex-NPs were implanted subcutaneously and imaged with photoacoustics. The response was linear with R2 = 0.94. The * designator indicates significance versus the 0 mg/mL control with p<0.01. B) Equimolar concentrations of complex-NPs and gold nanorods (GNRs) were imaged continuously for 15 minutes. There is no decrease in NP signal, but GNRs show a 40% decrease due to morphology chances from the excitation fluence.