The ultramicrotome superstage: a versatile aid for section manipulation

Area of Science:

• Materials Science
• Microscopy Techniques
• Laboratory Equipment Design

Background:

• Ultramicrotomy requires precise handling of delicate ultrathin sections.
• Current methods for section placement can be challenging and time-consuming.
• Accurate section localization is crucial for subsequent microscopic examination.

Purpose of the Study:

• To introduce a novel accessory for the Porter-Blum MT-2 ultramicrotome.
• To enhance the ease and precision of handling ultrathin and 1-micron sections.
• To facilitate improved workflow in electron and light microscopy preparation.

Main Methods:

• Design and fabrication of a rigid, box-like
• Placement of the device on the knife stage of a Porter-Blum MT-2 ultramicrotome.
• Evaluation of the device's utility as a hand/tool rest and wind screen.
• Testing the device's effectiveness in locating ultrathin sections on grids and 1-micron sections on slides.

Main Results:

• The superstage provides a stable hand and tool rest.
• It effectively shields the knife boat from air currents.
• Facilitates precise central location of ultrathin section rafts on electron microscopy grids.
• Enables accurate and reproducible placement of 1-micron sections on glass slides for light microscopy.

Conclusions:

• The developed superstage is a valuable accessory for ultramicrotomy.
• It significantly improves the handling and precise placement of ultrathin and 1-micron sections.
• This device enhances efficiency and accuracy in preparing specimens for both electron and light microscopy.