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Related Experiment Videos

Microwave-stimulated incubation in immunoelectron microscopy: a quantitative study.

P E Zondervan1, A De Jong, C W Sorber

  • 1Department of Pathology, Erasmus University, Rotterdam, Netherlands.

The Histochemical Journal
|June 1, 1988
PubMed
Summary

Microwave irradiation significantly speeds up immunogold staining for electron microscopy by reducing incubation times. This method accelerates labeling of Lowicryl embedded specimens without increasing background noise.

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Area of Science:

  • Electron Microscopy
  • Immunohistochemistry
  • Biotechnology

Background:

  • Immunogold staining is crucial for visualizing cellular structures.
  • Traditional methods require lengthy incubation times.
  • Optimizing staining protocols is essential for efficient research.

Purpose of the Study:

  • To investigate the effect of microwave irradiation on immunogold staining efficiency.
  • To reduce the time required for labeling ultrathin sections.
  • To assess the impact on labeling intensity and background.

Main Methods:

  • Microwave irradiation applied to Lowicryl embedded specimens during incubation with gold-conjugated antibodies (goat anti-mouse, goat anti-rabbit).
  • Comparison of microwave-assisted incubation with conventional incubation.

Related Experiment Videos

  • Quantification of gold particles on cytoplasmic membranes and lysosomes using IBAS 2000 image analysis.
  • Temperature monitoring using a fiber-optic thermometer.

    • Main Results:

    • Microwave irradiation (80 W and 150 W) accelerated immunogold labeling significantly.
    • Incubation time reduced from 120 min to 25 min at 150 W microwave power.
    • Non-specific background levels remained unchanged.
    • No improvement in localization sharpness on membranes was observed.

    Conclusions:

    • Microwave irradiation offers a substantial time-saving advantage for immunogold staining.
    • The method is effective for accelerating labeling without compromising specificity.
    • This technique represents a microvolume thermal action method suitable for electron microscopy applications.