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The test uses the principles of gel electrophoresis to separate out the various types of hemoglobin and is a type of native gel electrophoresis.After the sample has been treated to release the hemoglobin from the red cells, it is introduced into a porous gel (usually made of agarose or cellulose acetate) and subjected to an electrical field, most commonly in an alkaline medium.
Serum protein electrophoresis (SPEP or SPE) is a laboratory test that examines specific proteins in the blood called globulins. [1] The most common indications for a serum protein electrophoresis test are to diagnose or monitor multiple myeloma , a monoclonal gammopathy of uncertain significance (MGUS), or further investigate a discrepancy ...
A schematic of hemoglobin electrophoresis, showing the banding which is typical of various types of hemoglobin. Note that sickle cell disease (SCD) gives a single, bold band whereas sickle cell trait gives two slightly fainter bands. Where SCD is suspected, a number of tests can be used.
Electrophoresis is the motion of charged dispersed particles or dissolved charged molecules relative to a fluid under the influence of a spatially uniform electric field. As a rule, these are zwitterions with a positive or negative net charge. [1] Electrophoresis is used in laboratories to separate macromolecules based on their charges.
A blood smear is made by placing a drop of blood on one end of a slide, and using a spreader slide to disperse the blood over the slide's length. The aim is to get a region, called a monolayer, where the cells are spaced far enough apart to be counted and differentiated.
Hemoglobin electrophoresis is a test that can detect different types of hemoglobin. Hemoglobin is extracted from the red cells, then introduced into a porous gel and subjected to an electrical field. This separates the normal and abnormal types of hemoglobin which can then be identified and quantified.
The grieving father, who served as a helicopter pilot in the Army for 20 years, said he believes the commercial jet involved in the incident was following proper procedures. “From what I can see ...
Hemoglobin A2 is a crucial role for screening and measuring for the beta-thalassemia trait. Various laboratory methods exist, each providing different outcomes of accuracy. The different quantification methods of HbA2 relies on how effective it can be separated from other hemoglobin variants. [ 3 ]