Non-invasive 3D and 360° optical imaging of micro-particles
Abstract Scanning electron microscopy and X-ray microtomography are useful methods for high resolution shape imaging. Visible microscopy is also common, however, developing a low-cost and customizable system for surface and shape investigation of optically active particles is challenging. In this wo...
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Nature Portfolio
2017
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oai:doaj.org-article:5cb03e4955cd4344b89830fad615daac2021-12-02T11:52:41ZNon-invasive 3D and 360° optical imaging of micro-particles10.1038/s41598-017-06830-82045-2322https://doaj.org/article/5cb03e4955cd4344b89830fad615daac2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06830-8https://doaj.org/toc/2045-2322Abstract Scanning electron microscopy and X-ray microtomography are useful methods for high resolution shape imaging. Visible microscopy is also common, however, developing a low-cost and customizable system for surface and shape investigation of optically active particles is challenging. In this work, we demonstrate an assembly offering good light sensitivity, flexibility of illumination and contrasts from varying angles. The design was applied, together with recent programs for focus-stacking, to analyze crystals of taurine, L-glutamic acid, acetylsalicylic acid, and copper sulfate, along with digital 3D-360° modelling of phosphorescent [Ru(bpy)3]Cl2 and strontium aluminate particles. We further tested the approach for real time monitoring of size, shape and texture analysis of fat filled milk particles and acid whey powders. The findings show proof of concept for detailed feature imaging of particles directly from the process environment.Toufic El ArnaoutP. J. CullenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017) |
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Medicine R Science Q Toufic El Arnaout P. J. Cullen Non-invasive 3D and 360° optical imaging of micro-particles |
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Abstract Scanning electron microscopy and X-ray microtomography are useful methods for high resolution shape imaging. Visible microscopy is also common, however, developing a low-cost and customizable system for surface and shape investigation of optically active particles is challenging. In this work, we demonstrate an assembly offering good light sensitivity, flexibility of illumination and contrasts from varying angles. The design was applied, together with recent programs for focus-stacking, to analyze crystals of taurine, L-glutamic acid, acetylsalicylic acid, and copper sulfate, along with digital 3D-360° modelling of phosphorescent [Ru(bpy)3]Cl2 and strontium aluminate particles. We further tested the approach for real time monitoring of size, shape and texture analysis of fat filled milk particles and acid whey powders. The findings show proof of concept for detailed feature imaging of particles directly from the process environment. |
format |
article |
author |
Toufic El Arnaout P. J. Cullen |
author_facet |
Toufic El Arnaout P. J. Cullen |
author_sort |
Toufic El Arnaout |
title |
Non-invasive 3D and 360° optical imaging of micro-particles |
title_short |
Non-invasive 3D and 360° optical imaging of micro-particles |
title_full |
Non-invasive 3D and 360° optical imaging of micro-particles |
title_fullStr |
Non-invasive 3D and 360° optical imaging of micro-particles |
title_full_unstemmed |
Non-invasive 3D and 360° optical imaging of micro-particles |
title_sort |
non-invasive 3d and 360° optical imaging of micro-particles |
publisher |
Nature Portfolio |
publishDate |
2017 |
url |
https://doaj.org/article/5cb03e4955cd4344b89830fad615daac |
work_keys_str_mv |
AT touficelarnaout noninvasive3dand360opticalimagingofmicroparticles AT pjcullen noninvasive3dand360opticalimagingofmicroparticles |
_version_ |
1718394986864574464 |