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Electron Microscopy Laboratory

Electron Microscope (EM) is an instrument that uses electron beams and electromagnetic lenses instead of light beams and optical lenses to magnify the micros...

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Main Instruments

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01Scanning electron microscopy (SEM)

It is commonly used to observe the surface morphology of solids, with the main applications being:1. Observing and analyzing the overall morphology, surface protrusions, and intercellular relationships of blood cells, bacteria, and cultured cells;2. Observing and analyzing the surface structure of hollow tissues such as the digestive tract, respiratory tract, and blood vessels;3. Observing and ...

02Transmission Electron Microscope (TEM)

It is commonly used for observing the ultrastructure of microscopic substances that cannot be resolved by optical microscopy, with the main application areas being:1. Ultrastructural observation and analysis of organelles and tissue organs;2. Ultrastructural observation and analysis of prokaryotic cells and viruses;3. Analysis of ultrastructural pathological changes (pathological diagnosis);4. ...

03Conventional transmission electron microscopy techniques (for ultrastructural observation of biological tissues and cells)

Conventional transmission electron microscopy technology (used for observing ultrastructure of biological tissues and cells)Negative staining technology (used for observing the shape, structure, size, and surface structure characteristics of samples such as bacteria, viruses, particulate matter, or macromolecular complexes)Immunoelectron microscopy technology (using immunogold labeling technolo...

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Applications Examples

临界点干燥仪 Leica EM CPD 300

Instrument Introduction:

Critical point drying is a commonly used method for drying biological samples. The huge surface tension generated when liquid is converted into gas can destroy the fine surface structure of the sample. However, using critical point drying can preserve these fine structures, which is beneficial for electron microscopy analysis. The Leica EM CPD 300 critical point dryer is used for sample preparation in the early stages of scanning electron microscopy.


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Department of Core Facility of Basic Medical Sciences, Shanghai Jiao Tong University School of Medicine

postcode 299925

Old Red Mansion, 280 Chongqing South Road, Shanghai, China

021-63846590x776946