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Related Experiment Video

Updated: May 17, 2026

A 3D Cartographic Description of the Cell by Cryo Soft X-ray Tomography
08:47

A 3D Cartographic Description of the Cell by Cryo Soft X-ray Tomography

Published on: March 15, 2021

Nanoimaging cells using soft X-ray tomography.

Dilworth Y Parkinson1, Lindsay R Epperly, Gerry McDermott

  • 1Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|October 23, 2012
PubMed
Summary
This summary is machine-generated.

Soft X-ray tomography provides high-resolution, quantitative imaging of biological cells in a near-native state. This advanced microscopy technique allows for detailed analysis of cell structure and chemical composition with rapid data acquisition.

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Area of Science:

  • Cell Biology
  • Microscopy
  • Biophysics

Background:

  • Soft X-ray microscopy offers unique advantages for visualizing biological specimens.
  • It enables imaging of cells in a hydrated, near-native state without staining.
  • Contrast is based on differential X-ray attenuation by cellular molecules.

Purpose of the Study:

  • To detail procedures and computational methods for soft X-ray tomography.
  • To achieve high-resolution (50 nm or better) 3D reconstructions of cells.
  • To enable subsequent segmentation and analysis of volumetric cell data.

Main Methods:

  • Utilizing soft X-ray microscopy for specimen illumination.
  • Applying Beer-Lambert law for quantitative contrast analysis.
  • Performing tomographic reconstruction and computational analysis of image data.

Main Results:

  • Achieved tomographic reconstructions with 50 nm resolution or better.
  • Demonstrated quantitative measurement of cell thickness and chemical species.
  • Enabled high-throughput data collection, with full datasets acquired in minutes.

Conclusions:

  • Soft X-ray tomography is a powerful, high-fidelity imaging modality for biological cells.
  • The technique supports quantitative analysis of cellular structure and composition.
  • It is applicable to a wide range of cell types, from prokaryotes to mammalian stem cells.