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Module for Aberration Correction and Fast Volumetric Imaging in a Light Sheet Fluorescence Microscope

Project description

Improved light-sheet microscopy prototype enables a better view of cell dynamics

Light-sheet fluorescence microscopy (LSFM) is a technique in which a very thin slice of a sample is illuminated by a laser source perpendicularly to the direction of observation. The EU-funded MAFIn project developed a universally compatible module capable of fast volumetric imaging that combines LSFM with waveform coding. The latter introduces a phase mask in the detection arm of the LSFM platform to extend the depth of field. A deconvolution operation needs to be applied as the phase mask inevitably distorts the obtained images. The project provided a calibration procedure with optimised deconvolution strategies so that LSFM with wavefront coding can be performed in a simple way. The new prototype holds great promise for higher-resolution imaging of cell dynamics.

Objective

The aim of this proposal is to evolve the current set-up used in the FET Open project MESOBRAIN to a functional prototype capable of running the full hardware and any related software, in an easy, stable and modular way, which can be operated by an inexperienced user. The current set-up is capable of fast volumetric imaging under high resolution (x, y, z) conditions and is based on the combination of a light sheet fluorescence microscope (LSFM) with Wavefront coding (WFC) techniques. This allows obtaining high resolution images at a speed approaching 100Volumes/sec. Beyond the WFC capabilities, the new MAFIn module will be based on the implementation of adaptive optics (AO) strategies for aberration compensations. Therefore, the module will be also able to correct for the aberration introduced by the system and by the sample itself. As a result, this module for aberration correction and fast volumetric imaging will be universal, as it will be able to be adapted to any existing LSFM, either to current commercial systems or to custom-made setups in research labs, and easy to use by non-experts in life sciences applications. This unique MAFIn prototype will be able to observe the fast cellular and intracellular dynamics that occur in biological samples in 3D with high resolutions. Therefore, MAFIn will significantly expand the impact of the FET Open project MESOBRAIN.

Call for proposal

H2020-FETOPEN-2018-2020

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Sub call

H2020-FETOPEN-2018-2019-2020-03

Coordinator

FUNDACIO INSTITUT DE CIENCIES FOTONIQUES
Net EU contribution
€ 100 000,00
Address
AVINGUDA CARL FRIEDRICH GAUSS 3
08860 Castelldefels
Spain

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Region
Este Cataluña Barcelona
Activity type
Research Organisations
Links
Total cost
€ 100 000,00