Axial Confocal Tomography of Capillary-Contained Colloidal Structures

Confocal microscopy is widely used for three-dimensional (3D) sample reconstructions. Arguably, the most significant challenge in such reconstructions is posed by the resolution along the optical axis being significantly lower than in the lateral directions. In addition, the imaging rate is lower al...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 33(2017), 46 vom: 21. Nov., Seite 13343-13349
1. Verfasser: Liber, Shir R (VerfasserIn)
Weitere Verfasser: Indech, Ganit, van der Wee, Ernest B, Butenko, Alexander V, Kodger, Thomas E, Lu, Peter J, Schofield, Andrew B, Weitz, David A, van Blaaderen, Alfons, Sloutskin, Eli
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Research Support, Non-U.S. Gov't
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520 |a Confocal microscopy is widely used for three-dimensional (3D) sample reconstructions. Arguably, the most significant challenge in such reconstructions is posed by the resolution along the optical axis being significantly lower than in the lateral directions. In addition, the imaging rate is lower along the optical axis in most confocal architectures, prohibiting reliable 3D reconstruction of dynamic samples. Here, we demonstrate a very simple, cheap, and generic method of multiangle microscopy, allowing high-resolution high-rate confocal slice collection to be carried out with capillary-contained colloidal samples in a wide range of slice orientations. This method, realizable with any common confocal architecture and recently implemented with macroscopic specimens enclosed in rotatable cylindrical capillaries, allows 3D reconstructions of colloidal structures to be verified by direct experiments and provides a solid testing ground for complex reconstruction algorithms. In this paper, we focus on the implementation of this method for dense nonrotatable colloidal samples, contained in complex-shaped capillaries. Additionally, we discuss strategies to minimize potential pitfalls of this method, such as the artificial appearance of chain-like particle structures 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Indech, Ganit  |e verfasserin  |4 aut 
700 1 |a van der Wee, Ernest B  |e verfasserin  |4 aut 
700 1 |a Butenko, Alexander V  |e verfasserin  |4 aut 
700 1 |a Kodger, Thomas E  |e verfasserin  |4 aut 
700 1 |a Lu, Peter J  |e verfasserin  |4 aut 
700 1 |a Schofield, Andrew B  |e verfasserin  |4 aut 
700 1 |a Weitz, David A  |e verfasserin  |4 aut 
700 1 |a van Blaaderen, Alfons  |e verfasserin  |4 aut 
700 1 |a Sloutskin, Eli  |e verfasserin  |4 aut 
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