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Observation of thickness measurements on V79-4 cells by laser scanning confocal microscopy technology (CAT#: STEM-MIT-0125-LJX)

Introduction

V79 cells, derived from lung tissue of a female Chinese hamster, were established by FordandYerganian in 1958 as V cell line. In 1958 Elkind renamed it V79 and used it to study X-ray-induced damage and repair in cultured mammalian cells. The G1 phase of V79 cells, which is either absent or very short, has also been used in studies of G1 growth. V79 cells have been well demonstrated in toxicological studies, and their karyotype and morphological stability make them suitable for genotoxicity assay with low background aberration. V79 cells do not express endogenous cytochrome P450 and have been used to insert and express P450 in humans, rats, mice, and fish. Immunoglobulin products and Epstein-Barr virus were negative. V79 cells express Fas antigen and are sensitive to TNF and anti-Fas antibodies.




Principle

Laser scanning confocal microscope is a high-tech microscope. It is based on fluorescence microscope imaging and equipped with a laser scanning device, which uses ultraviolet or visible light to excite the fluorescence probe, thereby obtaining fluorescence images of the internal microstructure of cells or tissues.
The laser beam is used as the light source in the laser scanning confocal microscope. The laser beam passes through the illuminating pinhole and is reflected to the objective lens through the spectroscope. The laser beam is focused on the sample, and every point on the focal plane of the specimen is scanned. If there is a fluorescent substance that can be excited in the tissue sample, the fluorescence emitted after excitation is directly reversed back to the spectroscope through the original incident light path, and is first focused when passing through the detection pinhole. The focused light is detected and collected by the photomultiplier tube (PMT), and the signal is sent to the computer, and the image is displayed on the computer monitor after processing.

Applications

Imaging and analysis in the fields of morphology, molecular cell biology, neuroscience, pharmacology, genetics

Procedure

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

Materials

• Sample Type:
V79-4 hamster cells

Notes

Operate in strict accordance with the operating procedures, and shall not arbitrarily change the operating procedures
In the starting sequence of the switch and in the scanning process, try to do fast and orderly, to protect the laser
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