Figure 4.

(A) In vivo PA image of relative C_Hb in a living mouse ear, revealing the vascular anatomy. Reproduced with permission ¹⁹. Copyright 2011 Optical Society of America. (B) In vivo PA images of C_Hb and sO₂ in human finger cuticle. Reproduced with permission ²⁴. Copyright 2013 Biophysical Society. (C) In vivo PA images of C_Hb, sO₂, and blood flow speed in a nude mouse ear. Reproduced with permission ²⁵. Copyright 2015 Optical Society of America. (D) In vivo PA images of orthotopically implanted 786-O kidney tumors. Left: anatomical image; middle: total hemoglobin concentration (HbT) image; right: IRDye800-2DG concentration (DG) image; HK: healthy kidney; HM: hypermetabolic. Reproduced with permission ¹⁰⁹. Copyright 2012 SPIE