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Label-free neuroimaging in vivo using synchronous angular scanning microscopy with single-scattering accumulation algorithm.


ABSTRACT: Label-free in vivo imaging is crucial for elucidating the underlying mechanisms of many important biological systems in their most native states. However, the applicability of existing modalities has been limited to either superficial layers or early developmental stages due to tissue turbidity. Here, we report a synchronous angular scanning microscope for the rapid interferometric recording of the time-gated reflection matrix, which is a unique matrix characterizing full light-specimen interaction. By applying single scattering accumulation algorithm to the recorded matrix, we removed both high-order sample-induced aberrations and multiple scattering noise with the effective aberration correction speed of 10,000 modes/s. We demonstrated in vivo imaging of whole neural network throughout the hindbrain of the larval zebrafish at a matured stage where physical dissection used to be required for conventional imaging. Our method will expand the scope of applications for optical imaging, where fully non-invasive interrogation of living specimens is critical.

SUBMITTER: Kim M 

PROVIDER: S-EPMC6637127 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Label-free neuroimaging in vivo using synchronous angular scanning microscopy with single-scattering accumulation algorithm.

Kim Moonseok M   Jo Yonghyeon Y   Hong Jin Hee JH   Kim Suhyun S   Yoon Seokchan S   Song Kyung-Deok KD   Kang Sungsam S   Lee Byunghak B   Kim Guang Hoon GH   Park Hae-Chul HC   Choi Wonshik W  

Nature communications 20190717 1


Label-free in vivo imaging is crucial for elucidating the underlying mechanisms of many important biological systems in their most native states. However, the applicability of existing modalities has been limited to either superficial layers or early developmental stages due to tissue turbidity. Here, we report a synchronous angular scanning microscope for the rapid interferometric recording of the time-gated reflection matrix, which is a unique matrix characterizing full light-specimen interact  ...[more]

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