Morphological study of dengue virus by transmission electron microscopy technology (CAT#: STEM-MIT-0002-LJX)

Introduction

Dengue virus is mainly transmitted by vector insects such as Aedes ae-gyPti and Aedesalbopictus, which cause dengue fever, dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS), which is high morbidity and mortality. Patients and recessive infected persons are the main sources of infection, and primates in the jungle are the animal reservoirs that maintain the circulation of the virus in nature.

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Principle Applications Procedure Materials Notes Related Products

Principle

Transmission electron microscopy (TEM) is to project the accelerated and concentrated electron beam onto a very thin sample, and the electron collides with the atoms in the sample and changes the direction, thus generating the stereo scattering Angle. The size of the scattering Angle is related to the density and thickness of the sample, so the image can be formed with different shades. The image can be enlarged, focused and displayed on imaging devices such as fluorescent screens, film and photosensitive coupling components. The resolution of transmission electron microscope is much higher than that of optical microscope, can reach 0.1~0.3nm, magnification of tens of thousands to millions of times. Therefore, transmission electron microscopy can be used to observe the fine structure of the sample.

Applications

Microscopic imaging in materials science or biology.

Procedure

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

Materials

• Sample Type:
Cells or tissues infected with the dengue virus

Notes

Pay attention to air humidity
Voltage needs to be stabilized

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