Hot melt "corner point method" for attaching large plastic sections to glass slides

Area of Science:

• Materials Science
• Histotechnology

Background:

• Secure attachment of plastic sections to glass slides is crucial for histological staining procedures.
• Conventional methods can be time-consuming or prone to section detachment.
• Ethylene-vinyl acetate (EVA) copolymers offer potential as an adhesive for this application.

Purpose of the Study:

• To present a rapid and reliable method for affixing large plastic sections to glass slides using hot melt adhesive.
• To evaluate the efficacy of this method in preventing section detachment during staining.
• To explore additional applications of hot melt adhesive in specimen mounting.

Main Methods:

• Utilizing ethylene-vinyl acetate (EVA) copolymers (hot melt sticks) dissolved in xylene to create an adhesive gel.
• Applying small drops of the hot melt gel to the corners of plastic sections and the glass slide surface.
• Testing the attachment strength through standard histological staining procedures.

Main Results:

• The hot melt gel effectively adhered plastic sections to glass slides at ambient or elevated temperatures.
• The "corner point method" successfully prevented detachment of sections during staining procedures.
• Hot melt adhesive proved suitable for attaching plastic specimen blocks to various holders.

Conclusions:

• The hot melt "corner point method" provides a fast and robust technique for attaching plastic sections to glass slides.
• This method enhances the reliability of histological preparations by preventing section loss.
• Hot melt adhesive is a versatile mounting solution for diverse specimen preparation needs.