Assessing Antigen Presentation on the Surface of Plasmodium falciparum-Infected Erythrocytes by Photoactivated Localization Microscopy (PALM) (CAT#: STEM-MIT-0392-LJX)

Introduction

Plasmodium falciparum is one of the four plasmodium parasites that live in humans and is the pathogen that causes falciparum malaria. Plasmodium falciparum uses human and female Anopheles mosquitoes as hosts. It is often parasitic in human liver cells and red blood cells for development.<br />Super-resolution microscopy in the form of photoactivated localization microscopy (PALM) offers the possibility of counting single molecules in a cell, a cellular compartment or a molecular complex. PALM can, therefore, underpin molecular and biochemical processes with a numeric and stoichiometric understanding of the interacting players.

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Principle Applications Procedure Materials Notes Related Products

Principle

Principles of photoactivated localization microscopy: By fitting the two-dimensional Gaussian function to determine the centroid of microscope-formed light spots, a single fluorescent source (such as a fluorescent group) can be located with high precision. The accuracy of the calculation to determine the centroid depends only on the number of photons collected, and the resolution scale can be tens of nanometers or smaller. To achieve this accuracy, the density of the fluorescent molecules being tested is required to be low enough that the spots of the two fluorescent groups are unlikely to overlap.

Applications

Applied in many areas of the life sciences

Procedure

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

Materials

• Sample Type:
Erythrocytes infected by plasmodium falciparum

Notes

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

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