Friday, November 11, 2011

Electrophoresis


ElectrophoresisElectrophoresis is an electrokinetic phenomenon of the movement of dispersed particles (of colloid or protein solution) in a fluid or gaseous medium under the influence of an electric field. The phenomenon was discovered in 1809 by the professor of Moscow University, Ferdinand Friedrich Reiss.There are two main varieties of electrophoresis. In cataphoresis the processed surface has a negative electric charge, ie it is connected to a negative contact of the current source. In anaphoresis the surface charge is positive.Electrophoresis is widely used in medicine. It is often called a heating procedure as there is a feeling of light burning caused by the passage of an electric current.A medical substance is applied on the pads which go under the electrodes. The substance penetrates into the body through skin or mucous membranes under the influence of electric field. It influences physiological and pathological processes directly in the place where it is introduced. The electric current also has a neuroreflex and humoral effect.Medical electrophoresis has several main advantages. It is possible to introduce a small but significantly effective dosage of the active substance without saturating lymph, blood, and other internal environments. It is possible to accumulate the substance and also form a depot. Electrophoresis has a long acting effect, and medical substances are introduced in the form of ions which is the most chemically active form. Besides, a low ...

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