Gel electrophoresis apparatus - An agarose gel is placed in this buffer-filled box and electrical current is applied via the power supply to the rear. The negative terminal is at the far end (black wire), so DNA migrates toward the camera.
Gel electrophoresis is a group of techniques used by scientists to separate molecules based on physical characteristics such as size, shape, or isoelectric point.
Pulsed-Field Gel Electrophoresis (PFGE)
An electrophoresis technique for separation of large DNA. Alternating electrical field is applied to run DNA through a low density agarose gel matrix.
Other Resources ...
Gel electrophoresis
The process of separating charged species by subjecting them to a voltage gradient. A gel (made of agarose or polyacrylamide) provides mechanical support and prevents mixing of the molecules being separated.
gel electrophoresis
(jell eh-lek-troh-for-ee-sis)
The separation of nucleic acids or proteins, on the basis of their size and electrical charge, by measuring their rate of movement through an electrical field in a gel.
gene ...
Gel electrophoresis See: electrophoresis
Gene The fundamental physical and functional unit of heredity.
Agarose gel electrophoresis. A matrix composed of a highly purified form of agar that is used to separate larger DNA and RNA molecules ranging 20,000 nucleotides. (See Electrophoresis.) ...
Gel electrophoresis
- Technique for separtaing nucleic acid molecules on the basis of their movement through a gel matrix under the influence of an electric field
Gene ...
Gel electrophoresis: A method to analyze the size of DNA (or RNA) fragments. In the presence of an electric field, larger fragments of DNA move through a gel slower than smaller ones.
2D Gel Electrophoresis to Identify Cellular Proteins
While computer-based methods are powerful, they can only predict the function of proteins for which some information is already available.
AGAROSE GEL ELECTROPHORESIS - A method for separating nucleic acids (DNA or RNA) within a gel made of agarose in a suitable buffer under the influence of an electrical field.
Animation of Gel Electrophoresis
"Blot" them with a nitrocellulose filter. For unknown reasons, the molecules stick tightly to the filter and will retain their relative positions when flooded with fluid at the next step.
Agarose gel electrophoresis
Following DNA digestion, the resulting DNA fragments are separated by size via electrophoresis in agarose gels. During electrophoresis, DNAs which are negatively charged migrate toward the positive electrode.
Polyacrylamide gel electrophoresis (PAGE)
Technique for separating protein components by molecular weight on the basis of passing through an acrylamide gel under the influence of an applied electric field.
Pulsed field gel electrophoresis A technique of electrophoresis which is able to resolve very large DNA molecules by periodic alterations of the direction of the applied electric field.
Denaturing gradient gel electrophoresis (DGGE)
A method for separating DNA fragments according to their mobilities under increasingly denaturing conditions (usually increasing formamide/urea concentrations).
gel electrophoresis the process by which nucleic acids (DNA or RNA) or proteins are separated by size according to movement of the charged molecules in an electrical field.
Denaturing gradient gel electrophoresis (DGGE)
Denaturing high-performance liquid chromatography (DHPLC)
dendrites
Denhardt's solution
denominator element
density
density-gradient centrifugation
dentate nucleus ...
Short for Sodium Dodecyl Sulfate (SDS) - PolyAcrylamide Gel Electrophoresis (PAGE). Method to seperate proteins by exposing them to the anionic detergent SDS and PAGE.
Related Terms:
Electrophoresis ...
Autoradiography A technique that uses X-ray film to visualize radioactively labeled molecules or fragments of molecules; used in analyzing length and number of DNA fragments after they are separated by gel electrophoresis.
The method involves using gel electrophoresis to separate the sample's proteins. The separated proteins are transferred out of the gel to the surface of a membrane. The membrane is exposed to an antibody specific to the target protein.
a technique for transferring DNA fragments separated by agarose gel electrophoresis to a nitrocellulose filter on which specific DNA fragments can be detected using specific radioactive DNA probes; devised by E. Southern ...
The DNA is digested using restriction enzymes and separated using gel electrophoresis as described above.
The fragments on the gelatin are transferred to a filter by blotting.
SDS-polyacrylamide gel electrophoresis The electrophoresis of proteins in a polyacrylamide medium; the detergent SDS renders the movement of the proteins inversely proportional to molecular weight (see also electrophoresis).
Polyacrylamide gel electrophoresis (← links)
Dideoxy sequencing (← links)
Dielectrolysis (← links)
Coagulate (← links)
Karyolymph (← links)
Dna sequence analysis (← links)
Molecular sieve (← links)
Hyaloid body (← links) ...
The gel can be made so that its pores are just the right dimensions for separating molecules within a specific range of sizes and shapes. Smaller fragments usually travel further than large ones. The process is sometimes called gel electrophoresis.
amplification using primers complementary to the adaptor sequences. The multiple rounds of amplification are used to reduce the complexity of the PCR product population so that the amplified fragments can be easily resolved by gel electrophoresis.
This is because, mutations apart, the phage sequence will always be the same, and so EcoR1 cutting sites will always be present in the same places. The fragments can be separated and their sizes determined by agarose gel electrophoresis.
 See also: Electrophoresis, Gel, DNA, Sequence, Protein
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