Spiral volumetric optoacoustic tomography visualizes multi-scale dynamics in mice.

Spiral volumetric optoacoustic tomography visualizes multi-scale dynamics in mice.
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DOI:
10.1038/lsa.2016.247
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发表时间:
2017-04
期刊:
Light, science & applications
影响因子:
--
通讯作者:
Razansky D
Razansky D
中科院分区:
其他
文献类型:
--
作者:
Deán-Ben XL;Fehm TF;Ford SJ;Gottschalk S;Razansky D

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在不同的时间和空间尺度上的成像动力学对于理解活生物体的生物复杂性、疾病状态和进展是必不可少的。光声成像已被证明在多个尺度上具有独特的适用性,在深层组织观察中具有出色的光学对比度和高分辨率。然而,由于图像采集时间和有效视场之间的低效权衡,多尺度动态的有效可视化仍然难以利用最先进的系统。在这里,我们介绍了螺旋体积光声断层扫描技术,提供了频谱丰富的高分辨率对比度跨多个时空尺度。小鼠体内实验展示了广泛的动态成像能力,从运动器官的三维高帧率可视化和选定区域的造影剂动力学到具有前所未有的图像质量的全身纵向研究。新引入的多尺度动力学成像的范式转变增加了光声技术为结构、功能和分子成像提供的各种优势。
Imaging dynamics at different temporal and spatial scales is essential for understanding the biological complexity of living organisms, disease state and progression. Optoacoustic imaging has been shown to offer exclusive applicability across multiple scales with excellent optical contrast and high resolution in deep-tissue observations. Yet, efficient visualization of multi-scale dynamics remained difficult with state-of-the-art systems due to inefficient trade-offs between image acquisition time and effective field of view. Herein, we introduce the spiral volumetric optoacoustic tomography technique that provides spectrally enriched high-resolution contrast across multiple spatiotemporal scales. In vivo experiments in mice demonstrate a wide range of dynamic imaging capabilities, from three-dimensional high-frame-rate visualization of moving organs and contrast agent kinetics in selected areas to whole-body longitudinal studies with unprecedented image quality. The newly introduced paradigm shift in imaging of multi-scale dynamics adds to the multifarious advantages provided by the optoacoustic technology for structural, functional and molecular imaging.
DOI: 10.1038/srep10133
发表时间: 2015-07-01
期刊: Scientific reports
影响因子: 4.6
作者:
Deán-Ben XL;Ford SJ;Razansky D
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