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Proceedings Article

Remote focusing multifocal plane microscopy for the imaging of 3D single molecule dynamics with cellular context

[+] Author Affiliations
Jerry Chao, Sungyong You, Dongyoung Kim, Raimund J. Ober

Texas A&M Univ. (United States)

Ramraj Velmurugan, E. Sally Ward

Texas A&M Univ. Health Science Ctr. (United States)

Proc. SPIE 10070, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV, 100700L (February 17, 2017); doi:10.1117/12.2251218
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From Conference Volume 10070

  • Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV
  • Thomas G. Brown; Carol J. Cogswell; Tony Wilson
  • San Francisco, California, United States | January 28, 2017

abstract

Three-dimensional (3D) single molecule fluorescence microscopy affords the ability to investigate subcellular trafficking at the level of individual molecules. An imaged single molecule trajectory, however, often reveals only limited information about the underlying biological process when insufficient information is available about the organelles and other cellular structures with which the molecule interacts. A new 3D fluorescence microscopy imaging modality is described here that enables the simultaneous imaging of the trajectories of fast-moving molecules and the associated cellular context. The new modality is called remote focusing multifocal plane microscopy (rMUM), as it extends multifocal plane microscopy (MUM) with a remote focusing module. MUM is a modality that uses multiple detectors to image distinct focal planes within the specimen at the same time, and it has been demonstrated to allow the determination of 3D single molecule trajectories with high accuracy. Remote focusing is a method that makes use of two additional objective lenses to enable the acquisition of a z-stack of the specimen without having to move the microscope’s objective lens or sample stage, components which are required by MUM to be fixed in place. rMUM’s remote focusing module thus allows the cellular context to be imaged in the form of z-stacks as the trajectories of molecules or other objects of interest are imaged by MUM. In addition to a description of the modality, a discussion of rMUM data analysis and an example of data acquired using an rMUM setup are provided in this paper. © (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Jerry Chao ; Ramraj Velmurugan ; Sungyong You ; Dongyoung Kim ; E. Sally Ward, et al.
" Remote focusing multifocal plane microscopy for the imaging of 3D single molecule dynamics with cellular context ", Proc. SPIE 10070, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV, 100700L (February 17, 2017); doi:10.1117/12.2251218; http://dx.doi.org/10.1117/12.2251218


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