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Electronics, Medical
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D004582 |
[The research and development of ELECTRICAL EQUIPMENT AND SUPPLIES for such medical applications as diagnosis, therapy, research, anesthesia control, cardiac control, and surgery. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
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Electrons
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D004583 |
[Stable elementary particles having the smallest known negative charge, present in all elements; also called negatrons. Positively charged electrons are called positrons. The numbers, energies and arrangement of electrons around atomic nuclei determine the chemical identities of elements. Beams of electrons are called CATHODE RAYS.
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Electronystagmography
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D004584 |
[Recording of nystagmus based on changes in the electrical field surrounding the eye produced by the difference in potential between the cornea and the retina.
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Electrooculography
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D004585 |
[Recording of the average amplitude of the resting potential arising between the cornea and the retina in light and dark adaptation as the eyes turn a standard distance to the right and the left. The increase in potential with light adaptation is used to evaluate the condition of the retinal pigment epithelium.
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Electroosmosis
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D053841 |
[The motion of a liquid through a membrane (or plug or capillary) consequent upon the application of an electric field across the membrane. (Oxford Dictionary of Biochemistry and Molecular Biology, 2001)
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Electrophoresis
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D004586 |
[An electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an electric current.
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Electrophoresis, Agar Gel
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D004587 |
[Electrophoresis in which agar or agarose gel is used as the diffusion medium.
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Electrophoresis, Capillary
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D019075 |
[A highly-sensitive (in the picomolar range, which is 10,000-fold more sensitive than conventional electrophoresis) and efficient technique that allows separation of PROTEINS; NUCLEIC ACIDS; and CARBOHYDRATES. (Segen, Dictionary of Modern Medicine, 1992)
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Electrophoresis, Cellulose Acetate
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D004588 |
[Electrophoresis in which cellulose acetate is the diffusion medium.
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Electrophoresis, Disc
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D004589 |
[Electrophoresis in which discontinuities in both the voltage and pH gradients are introduced by using buffers of different composition and pH in the different parts of the gel column. The term 'disc' was originally used as an abbreviation for 'discontinuous' referring to the buffers employed, and does not have anything to do with the shape of the separated zones.
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Electrophoresis, Gel, Pulsed-Field
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D016521 |
[Gel electrophoresis in which the direction of the electric field is reversed periodically.
, Gel electrophoresis in which the application of the electric field is alternated between two perpendicular directions.
, Gel electrophoresis in which the angle of the electric field is changed periodically.
, Gel electrophoresis in which the direction of the electric field is changed periodically. This technique is similar to other electrophoretic methods normally used to separate double-stranded DNA molecules ranging in size up to tens of thousands of base-pairs. However, by alternating the electric field direction one is able to separate DNA molecules up to several million base-pairs in length.
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Electrophoresis, Gel, Two-Dimensional
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D015180 |
[Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separate components resulting from the first electrophoresis. This technique is usually performed on polyacrylamide gels.
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Electrophoresis, Microchip
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D046209 |
[A highly miniaturized version of ELECTROPHORESIS performed in a microfluidic device.
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Electrophoresis, Paper
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D004590 |
[Electrophoresis in which paper is used as the diffusion medium. This technique is confined almost entirely to separations of small molecules such as amino acids, peptides, and nucleotides, and relatively high voltages are nearly always used.
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Electrophoresis, Polyacrylamide Gel
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D004591 |
[Electrophoresis in which a polyacrylamide gel is used as the diffusion medium.
, Polyacrylamide gel electrophoresis using SODIUM DODECYL SULFATE to denature proteins and separate them on the basis of their molecular weights.
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Electrophoresis, Starch Gel
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D004592 |
[Electrophoresis in which a starch gel (a mixture of amylose and amylopectin) is used as the diffusion medium.
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Electrophoretic Mobility Shift Assay
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D024202 |
[An electrophoretic technique for assaying the binding of one compound to another. Typically one compound is labeled to follow its mobility during electrophoresis. If the labeled compound is bound by the other compound, then the mobility of the labeled compound through the electrophoretic medium will be retarded.
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Electrophorus
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D004593 |
[A genus of fish, in the family GYMNOTIFORMES, capable of producing an electric shock that immobilizes fish and other prey. The species Electrophorus electricus is also known as the electric eel, though it is not a true eel.
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Electrophysiologic Techniques, Cardiac
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D022062 |
[Methods to induce and measure electrical activities at specific sites in the heart to diagnose and treat problems with the heart's electrical system.
, Measurements of the electrical activities of specific areas of the heart, taken from inside the ESOPHAGUS.
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Electrophysiological Phenomena
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D055724 |
[The electrical properties, characteristics of living organisms, and the processes of organisms or their parts that are involved in generating and responding to electricity.
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