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Photonics 2017, 4(3), 41; doi:10.3390/photonics4030041

Exploring the Potential of Airyscan Microscopy for Live Cell Imaging

1
Kennedy Institute for Rheumatology, Roosevelt Drive, University of Oxford, Oxford OX3 7LF, UK
2
Wolfson Imaging Centre, Weatherall Institute of Molecular Medicine, University of Oxford, Headley Way, Oxford OX3 9DS, UK
3
MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Headley Way, Oxford OX3 9DS, UK
*
Author to whom correspondence should be addressed.
Received: 1 June 2017 / Revised: 19 June 2017 / Accepted: 30 June 2017 / Published: 7 July 2017
(This article belongs to the Special Issue Superresolution Optical Microscopy)
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Abstract

Biological research increasingly demands the use of non-invasive and ultra-sensitive imaging techniques. The Airyscan technology was recently developed to bridge the gap between conventional confocal and super-resolution microscopy. This technique combines confocal imaging with a 0.2 Airy Unit pinhole, deconvolution and the pixel-reassignment principle in order to enhance both the spatial resolution and signal-to-noise-ratio without increasing the excitation power and acquisition time. Here, we present a detailed study evaluating the performance of Airyscan as compared to confocal microscopy by imaging a variety of reference samples and biological specimens with different acquisition and processing parameters. We found that the processed Airyscan images at default deconvolution settings have a spatial resolution similar to that of conventional confocal imaging with a pinhole setting of 0.2 Airy Units, but with a significantly improved signal-to-noise-ratio. Further gains in the spatial resolution could be achieved by the use of enhanced deconvolution filter settings, but at a steady loss in the signal-to-noise ratio, which at more extreme settings resulted in significant data loss and image distortion. View Full-Text
Keywords: Airyscan; microscopy; confocal and super-resolution microscopy; signal-to-noise-ratio Airyscan; microscopy; confocal and super-resolution microscopy; signal-to-noise-ratio
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Korobchevskaya, K.; Lagerholm, B.C.; Colin-York, H.; Fritzsche, M. Exploring the Potential of Airyscan Microscopy for Live Cell Imaging. Photonics 2017, 4, 41.

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