Studies on erythrocytes from an evolutionary perspective by an atomic force microscope (CAT#: STEM-SMMT-0014-LJX)

Introduction

Red blood cells are the most numerous type of blood cells in the blood. They are also the main medium for transporting oxygen through the blood of vertebrates. They also have immune function.<br />The service examined atomic force microscopy (AFM) images of human, avian, reptilian, amphibian, and piscine erythrocytes to determine whether the general pattern of erythrocyte membrane architecture has been largely conserved in the course of phylogenetic evolution or relatively minor modifications have taken place.

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Principle Applications Procedure Materials Notes Related Products

Principle

Atomic force microscope (AFM) is a new type of surface analysis instrument based on the principles of physics and imaging through the interaction of scanning probe and sample surface atoms. It belongs to the third generation of microscopes after optical microscopes and electron microscopes.
AFM usually uses a sharp probe to scan the sample, which is fixed on a microcantilever that is extremely sensitive to the surface force between the probe and the sample. The deflection of the cantilever under force can cause the laser beam emitted by the laser source to shift after being reflected by the cantilever. The detector receives reflected light, and finally receives signals that are collected, processed, and formed into surface morphology images of the sample through a computer system.

Applications

Imaging of micro and nanoscale features on the surface of the sample
Suitable for research in fields such as materials science, biology, and chemistry

Procedure

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

Materials

• Sample Type:
Erythrocytes

Notes

Operate in strict accordance with the operating procedures, and shall not arbitrarily change the operating procedures

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