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SEM visualization of glycosylated surface molecules using lectin-coated microspheres
1University of Texas Dental Branch, Houston 77225, USA.
Journal of Electron Microscopy Technique
|January 1, 1985
Summary
This study introduces a faster method to visualize glycosylated surface molecules using scanning electron microscopy. Concanavalin A-coated microspheres bind to these molecules on palatal shelf epithelium for SEM imaging.
Area of Science:
- Cell Biology
- Microscopy Techniques
- Biochemistry
Background:
- Scanning electron microscopy (SEM) is crucial for visualizing cell surface structures.
- Localizing glycosylated molecules on cell surfaces presents technical challenges.
- Existing SEM methods for glycosylated molecule localization can be complex and time-consuming.
Purpose of the Study:
- To develop a simple and rapid SEM-based method for localizing glycosylated surface molecules.
- To adapt existing techniques for improved efficiency in visualizing specific cell surface components.
Main Methods:
- Modification of Grinnell's technique for SEM.
- Utilizing microspheres coated with Concavalin A.
- Binding microspheres to glycosylated regions of palatal shelf epithelium.
- Visualization via scanning electron microscopy (SEM).
Main Results:
- Successful localization of glycosylated regions on palatal shelf epithelium.
- Demonstration of a rapid and straightforward SEM imaging protocol.
- Effective use of Concavalin A-coated microspheres as probes.
Conclusions:
- The developed method offers a significant improvement in speed and simplicity for localizing glycosylated surface molecules via SEM.
- This technique provides a valuable tool for studying cell surface glycoconjugates in biological samples.
- The findings facilitate further research in cell surface biology and glycobiology.