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Journal of Biomedical Optics

In vivo photoacoustic imaging of mouse embryos
Author(s): Jan Laufer; Francesca C. Norris; Jon O. Cleary; Edward Z. Zhang; Bradley E. Treeby; Ben T. Cox; Sean Peter Johnson; Pete Scambler; Mark F. Lythgoe; Paul C. Beard
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Paper Abstract

The ability to noninvasively image embryonic vascular anatomy in mouse models is an important requirement for characterizing the development of the normal cardiovascular system and malformations in the heart and vascular supply. Photoacoustic imaging, which can provide high resolution non invasive images of the vasculature based upon optical absorption by endogenous hemoglobin, is well suited to this application. In this study, photoacoustic images of mouse embryos were obtained ex vivo and in vivo. The images show intricate details of the embryonic vascular system to depths of up to 10 mm, which allowed whole embryos to be imaged in situ. To achieve this, an all-optical photoacoustic scanner and a novel time reversal image reconstruction algorithm, which provide deep tissue imaging capability while maintaining high spatial resolution and contrast were employed. This technology may find application as an imaging tool for preclinical embryo studies in developmental biology as well as more generally in preclinical and clinical medicine for studying pathologies characterized by changes in the vasculature.

Paper Details

Date Published: 18 May 2012
PDF: 8 pages
J. Biomed. Opt. 17(6) 061220 doi: 10.1117/1.JBO.17.6.061220
Published in: Journal of Biomedical Optics Volume 17, Issue 6
Show Author Affiliations
Jan Laufer, Univ. College London (United Kingdom)
Francesca C. Norris, Univ. College London (United Kingdom)
Jon O. Cleary, Univ. College London (United Kingdom)
Edward Z. Zhang, Univ. College London (United Kingdom)
Bradley E. Treeby, Univ. College London (United Kingdom)
Ben T. Cox, Univ. College London (United Kingdom)
Sean Peter Johnson, Univ. College London (United Kingdom)
Pete Scambler, Univ. College London (United Kingdom)
Mark F. Lythgoe, Univ. College London (United Kingdom)
Paul C. Beard, Univ. College London (United Kingdom)

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