Abstract

White-light diffraction tomography (WDT) is a recently developed 3D imaging technique based on a quantitative phase imaging system called spatial light interference microscopy (SLIM). The technique has achieved a sub-micron resolution in all three directions with high sensitivity granted by the low-coherence of a white-light source. Demonstrations of the technique on single cell imaging have been presented previously; however, imaging on any larger sample, including a cluster of cells, has not been demonstrated using the technique. Neurons in an animal body form a highly complex and spatially organized 3D structure, which can be characterized by neuronal networks or circuits. Currently, the most common method of studying the 3D structure of neuron networks is by using a confocal fluorescence microscope, which requires fluorescence tagging with either transient membrane dyes or after fixation of the cells. Therefore, studies on neurons are often limited to samples that are chemically treated and/or dead. WDT presents a solution for imaging live neuron networks with a high spatial and temporal resolution, because it is a 3D imaging method that is label-free and non-invasive. Using this method, a mouse or rat hippocampal neuron culture and a mouse dorsal root ganglion (DRG) neuron culture have been imaged in order to see the extension of processes between the cells in 3D. Furthermore, the tomogram is compared with a confocal fluorescence image in order to investigate the 3D structure at synapses.

Original languageEnglish (US)
Title of host publicationQuantitative Phase Imaging
EditorsYongKeun Park, Gabriel Popescu
PublisherSPIE
ISBN (Electronic)9781628414264
DOIs
StatePublished - Jan 1 2015
Event1st Conference on Quantitative Phase Imaging, QPI 2015 - San Francisco, United States
Duration: Feb 7 2015Feb 10 2015

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume9336
ISSN (Print)1605-7422

Other

Other1st Conference on Quantitative Phase Imaging, QPI 2015
CountryUnited States
CitySan Francisco
Period2/7/152/10/15

Fingerprint

neurons
Neurons
Tomography
tomography
Diffraction
Neural networks
Imaging techniques
Light
diffraction
Fluorescence
fluorescence
mice
cells
Interference Microscopy
synapses
Light interference
Spinal Ganglia
temporal resolution
imaging techniques
Imaging systems

Keywords

  • Interference
  • Label-free
  • Microscopy
  • Neurons
  • Phase shifting
  • Quantitative phase imaging
  • SLIM
  • Tomography
  • WDT

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Radiology Nuclear Medicine and imaging

Cite this

Kim, T., Liu, S. C., Iyer, R., Gillette, M. U., & Popescu, G. (2015). 3D quantitative phase imaging of neural networks using WDT. In Y. Park, & G. Popescu (Eds.), Quantitative Phase Imaging [93361V] (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 9336). SPIE. https://doi.org/10.1117/12.2080070

3D quantitative phase imaging of neural networks using WDT. / Kim, Taewoo; Liu, S. C.; Iyer, Raj; Gillette, Martha U.; Popescu, Gabriel.

Quantitative Phase Imaging. ed. / YongKeun Park; Gabriel Popescu. SPIE, 2015. 93361V (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 9336).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kim, T, Liu, SC, Iyer, R, Gillette, MU & Popescu, G 2015, 3D quantitative phase imaging of neural networks using WDT. in Y Park & G Popescu (eds), Quantitative Phase Imaging., 93361V, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 9336, SPIE, 1st Conference on Quantitative Phase Imaging, QPI 2015, San Francisco, United States, 2/7/15. https://doi.org/10.1117/12.2080070
Kim T, Liu SC, Iyer R, Gillette MU, Popescu G. 3D quantitative phase imaging of neural networks using WDT. In Park Y, Popescu G, editors, Quantitative Phase Imaging. SPIE. 2015. 93361V. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE). https://doi.org/10.1117/12.2080070
Kim, Taewoo ; Liu, S. C. ; Iyer, Raj ; Gillette, Martha U. ; Popescu, Gabriel. / 3D quantitative phase imaging of neural networks using WDT. Quantitative Phase Imaging. editor / YongKeun Park ; Gabriel Popescu. SPIE, 2015. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE).
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