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Related Experiment Videos

A two-channel four-dimensional image recording and viewing system with automatic drift correction.

T R Bürglin1

  • 1Division of Cell Biology, Biozentrum, University of Basel, Klingelbergstrasse 70, CH-4056 Basel, Switzerland. Thomas.Buerglin@ubaclu.unibas.ch

Journal of Microscopy
|September 30, 2000
PubMed
Summary

A new software solution for MacOS compensates for microscope stage drift during four-dimensional (4D) image acquisition. This enables stable, two-channel imaging for developmental studies, including live green fluorescent protein (GFP) tracking in Caenorhabditis elegans.

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Area of Science:

  • Microscopy and Imaging
  • Developmental Biology
  • Bioinformatics

Background:

  • Four-dimensional (4D) imaging is crucial for analyzing developmental processes, such as Caenorhabditis elegans cell lineage.
  • Microscope stage mechanical slippage causes sample drift, leading to out-of-focus images and data loss.
  • Affordable two-channel imaging systems are needed to correlate gene expression (e.g., using green fluorescent protein - GFP) with developmental changes.

Purpose of the Study:

  • To develop a software-only solution to compensate for Z-axis drift in 4D microscopy.
  • To enable stable, two-channel imaging for developmental studies, particularly those involving GFP.
  • To create a user-friendly MacOS application for viewing and annotating 4D image stacks.

Main Methods:

  • A device-independent, software-only solution for MacOS was created to correct Z-axis drift.

Related Experiment Videos

  • An autofocus principle using a reference object beside the main sample maintains focus.
  • Computer control of microscope Z-axis drives, shutters, and video camera switching between light levels was implemented.

    • Main Results:

    • The software effectively compensates for mechanical drift, enabling stable 4D recordings.
    • Two-channel imaging, including live GFP recordings, can be performed.
    • A MacOS viewing application was developed for stack visualization and annotation.

    Conclusions:

    • The developed software provides an effective solution for Z-axis drift correction in 4D microscopy.
    • This facilitates more reliable and affordable 4D imaging for developmental biology research.
    • The system supports two-channel imaging and analysis on MacOS, enhancing GFP studies.