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. 2017 Mar 6;12:1803–1813. doi: 10.2147/IJN.S113366

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© 2017 Xia et al. This work is published and licensed by Dove Medical Press Limited

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Time versus photoacoustic signal intensity.

Notes: Photoacoustic signal intensity of ABN gradually increased with time to reach a peak, and then gradually decreased with time. The NH₄HCO₃ solution reached a peak in a short period of time, and decreased soon after. (A) ABN. (B) NH₄HCO₃ solution.

Abbreviations: ABN, ammonium bicarbonate-encapsulating nanoparticles; NH₄HCO₃, ammonium bicarbonate.