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Study of crystalloids in salivary duct cysts of the human parotid gland by scanning electron microscope technology (CAT#: STEM-MIT-0072-LJX)

Introduction

Crystalloids found in salivary duct cysts of the human parotid gland were examined by scanning electron microscopical observations with electron probe X-ray microanalysis. The cystic spaces were filled with numerous crystalloids which had a variety of forms with slight eosinophilic and glassy appearance. Scanning electron microscopically, crystalloids were hexagonal and rhombohedral in shape, and cutting the surface showed a polycyclic structure or regular parallel lamination. By electron probe X-ray microanalysis, sulphur was the only detected element.




Principle

Scanning electron microscope (SEM) is another tool to study the surface morphology, which is different from transmission electron microscope and optical microscope. SEM uses extremely narrow electron beams to scan the sample and uses point-by-point imaging to obtain an enlarged image. SEM generates secondary electron emission through the interaction between the electron beam and the sample, and the secondary electron can produce the morphologic image of the sample surface enlargement. SEM can directly utilize the material properties of the sample surface for microscopic imaging.
SEM provides the possibility to study the relationship between the three-dimensional structure of cell or tissue surface and antigen composition. The markers used in scanning electron microscopy should be able to be in the range of scanning electron microscopy, and have good localization ability to cell or tissue antigen. The selection of markers should be based on the purpose of the study. If the volume of the marker cells is large, large markers should be used, while small, easily identifiable markers should be selected to locate the receptor.

Applications

Imaging and analysis in the fields of biology, medicine, materials and chemistry

Procedure

1. Sampling
2. Preparation of slices
3. Staining (Select according to the specific experimental situation)
4. Observation

Materials

• Sample Type:
Crystalloids in salivary duct cysts of the human parotid gland

Notes

Turn off the power when the device is not in use
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