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Open AccessJournal ArticleDOI

Label-free photoacoustic imaging of the cardio-cerebrovascular development in the embryonic zebrafish.

TLDR
This paper applies optical resolution photoacoustic microscopy (ORPAM) to image the whole-body vasculature of the embryonic zebrafish with a special focus on the development of the cardio-cerebrovascular system, and suggests that ORPAM has the potential to investigate the cardiovascular and cerebrov vascular diseases of human in the future.
Abstract
Zebrafish play an important role in biology, pharmacology, toxicology, and medicine. The cardio-cerebrovascular development of zebrafish is particularly critical to understand both brain disorders and cardiovascular diseases in human. In this paper, we applied optical resolution photoacoustic microscopy (ORPAM) to image the whole-body vasculature of the embryonic zebrafish with a special focus on the development of the cardio-cerebrovascular system. Using the intrinsic optical absorption contrast of the embryo, we successfully visualized the formation of the cardio-cerebrovascular network in high-resolution using a 10 × objective, and monitored the whole-body vascular development using a 4 × objective. In addition, we evaluated the impact of the eggshell and pigment inhibitor on the image quality. Our results suggest that ORPAM is capable of studying the cardio-cerebrovascular development of zebrafish in the embryonic stage, and thus has the potential to investigate the cardiovascular and cerebrovascular diseases of human in the future.

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Journal ArticleDOI

Cardiovascular optoacoustics: From mice to men - A review.

TL;DR: Progress with fast-tuning lasers, parallel detection and advanced image reconstruction and data-processing algorithms have recently transformed optoacoustics from a laboratory tool to a promising modality for small animal and clinical imaging.
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Functional optical coherence tomography and photoacoustic microscopy imaging for zebrafish larvae.

TL;DR: This functional and non-invasive imaging system is applied to image zebrafish larvae, demonstrating its capability to extract both morphological and hemodynamic parameters in vivo in small animals, which are essential and critical in preclinical imaging for physiological, pathophysiological and drug response studies.
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Evaluation of visible NIR-I and NIR-II light penetration for photoacoustic imaging in rat organs.

TL;DR: This study proposes the optimal selection of illumination wavelengths for photoacoustic macroscale imaging in rat organs, which enables the best signal-to-noise ratio (SNR) of the observed target.
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Progress of clinical translation of handheld and semi-handheld photoacoustic imaging.

TL;DR: In this paper, the authors summarize handheld and semi-handheld systems in terms of photo-acoustic computed tomography (PACT), optoacoustic mesoscopy (OAMes), and photoacoustic microscopy (PAM).
Journal ArticleDOI

Photoacoustic F-Mode imaging for scale specific contrast in biological systems

TL;DR: In this paper, a frequency domain technique for image formation, termed F-Mode, was proposed to identify vessels and microspheres of different size in phantoms, enhance visualization of organelles in cultured cells, and selectively display single blood vessels in vivo in zebrafish larvae.
References
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Journal ArticleDOI

Stages of embryonic development of the zebrafish.

TL;DR: A series of stages for development of the embryo of the zebrafish, Danio (Brachydanio) rerio is described, providing for flexibility and continued evolution of the staging series as the authors learn more about development in this species.
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Photoacoustic Tomography: In Vivo Imaging from Organelles to Organs

TL;DR: A review of the state of the art of photoacoustic tomography for both biological and clinical studies can be found in this paper, where the authors discuss the current state-of-the-art and discuss future prospects.
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Photoacoustic imaging in biomedicine

TL;DR: An overview of the rapidly expanding field of photoacoustic imaging for biomedical applications can be found in this article, where a number of imaging techniques, including depth profiling in layered media, scanning tomography with focused ultrasonic transducers, image forming with an acoustic lens, and computed tomography using unfocused transducers are introduced.
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Biomedical photoacoustic imaging

TL;DR: The underlying physical principles of the technique, its practical implementation, and a range of clinical and preclinical applications are reviewed.
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The vascular anatomy of the developing zebrafish: an atlas of embryonic and early larval development.

TL;DR: A highly dynamic but also highly stereotypic pattern of vascular connections is found, with different sets of primitive embryonic vessels severing connections and rewiring in new configurations according to a reproducible plan.
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