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In vivo noninvasive PA vascular structural images of a rat. (A) Control PA image acquired before GNB injection. (B) PA image acquired 156 min after injection of GNBs. (C) Pharmacokinetics of GNBs in a blood vessel after injection (blue arrow: point of GNBs injection). (Reprinted with permission from ref 124. Copyright 2009 Wiley InterScience.)
