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. 2021 Jan 15;9(1):80. doi: 10.3390/biomedicines9010080

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Schematic illustration and representative images of a PACT system. (A) Typical configurations of PACT. Array transducer is used to acquire PA images. (B) Representative PACT images of mouse brain in vivo. PA, photoacoustic; PACT, photoacoustic computed tomography; TR, ultrasound transducer; US, ultrasound; DAQ, data acquisition module; BS, brain stem; HY, hypothalamus; ICA, internal carotid artery; LCH, left cerebral hemisphere; RCH, right cerebral hemisphere; ACA, anterior cerebral artery; ZMI, zygomatic muscle interface. The images are reproduced with permission from [42].