Figure 8.
Photoacoustic imaging (PAI) of different concentrations of Au-UCNPs-DSPE-PEG2K, (a): 0 µg/mL, (b): 100 µg/mL, (c): 200 µg/mL, (d): 300µg/mL, (e): 400 µg/mL, (f):500 µg/mL.
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