Multiview Deconvolution Two-photon Laser Scanning Microscopy
Abstract
Abstract Imaging in three dimensions is necessary for thick tissues and small organisms. This is possible with tomographic optical microscopy techniques such as confocal, two-photon and light sheet microscopy. All these techniques suffer from anisotropic resolution and limited penetration depth. In the past, Multiview microscopy - imaging the sample from different angles followed by 3D image reconstruction - was developed to address this issue for light sheet microscopy based on fluorescence signal. In this study we applied this methodology to accomplish Multiview imaging with two-photon microscopy based on fluorescence and additionally second harmonic signal from myosin and collagen. It was shown that isotropic resolution was achieved, the entirety of the sample was visualized, and interference artifacts were suppressed allowing clear visualization of collagen fibrils and myofibrils. This method can be applied to any scanning microscopy technique without microscope modifications. It can be used for imaging tissue and whole mount small organisms such as heart tissue, and zebrafish larva in 3D, label-free or stained, with at least 3-fold axial resolution improvement which can be significant for the accurate quantification of small 3D structures.
Authors 8
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Dimitrios Kapsokalyvas corresponding
Affiliation as printed
Department of Genetics & Cell Biology, Faculty of Health, Medicine and Life Sciences (FHML), Maastricht University, Maastricht, the Netherlands
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Affiliation as printed
Maastricht University
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Affiliation as printed
Maastricht University
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Affiliation as printed
Maastricht University
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Martin Strauch Aachen
Affiliation as printed
RWTH Aachen University
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Dorit Merhof Aachen
Affiliation as printed
RWTH Aachen University
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Affiliation as printed
Maastricht University
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Affiliation as printed
Maastricht University
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