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Table 1 ICG-derived photoacoustic on different concentration

From: Photoacoustic imaging of tumour vascular permeability with indocyanine green in a mouse model

ICG concentration (mg/ml) Photoacoustic signal (a.u.)
0.0 0.143 ± 0.014
1.0 0.391 ± 0.070
2.5 0.710 ± 0.109a
5.0 1.206 ± 0.101b
  1. Data are means ± SD. a.u. = arbitrary units
  2. aSignificant difference compared to ICG concentration 1.0 mg/ml (p < 0.010)
  3. bSignificant difference compared to ICG concentration 1.0 and 2.5 mg/ml (p < 0.001)