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  2. Gel electrophoresis - Wikipedia

    en.wikipedia.org/wiki/Gel_electrophoresis

    Gel electrophoresis is an electrophoresis method for separation and analysis of biomacromolecules (DNA, RNA, proteins, etc.) and their fragments, based on their size and charge through a supportive medium.

  3. Gel electrophoresis of nucleic acids - Wikipedia

    en.wikipedia.org/wiki/Gel_electrophoresis_of...

    Gel electrophoresis of nucleic acids is an analytical technique to separate DNA or RNA fragments by size and ... This observation may be termed the "caterpillar ...

  4. Agarose gel electrophoresis - Wikipedia

    en.wikipedia.org/wiki/Agarose_gel_electrophoresis

    The limit of resolution for standard agarose gel electrophoresis is around 750 kb, but resolution of over 6 Mb is possible with pulsed field gel electrophoresis (PFGE). [7] It can also be used to separate large proteins, and it is the preferred matrix for the gel electrophoresis of particles with effective radii larger than 5–10 nm.

  5. Gel electrophoresis of proteins - Wikipedia

    en.wikipedia.org/wiki/Gel_electrophoresis_of...

    During electrophoresis in a discontinuous gel system, an ion gradient is formed in the early stage of electrophoresis that causes all of the proteins to focus into a single sharp band. The formation of the ion gradient is achieved by choosing a pH value at which the ions of the buffer are only moderately charged compared to the SDS-coated proteins.

  6. Gel doc - Wikipedia

    en.wikipedia.org/wiki/Gel_doc

    An example Gel documentation system, showing the results of gel electrophoresis on a connected monitor.. A gel doc, also known as a gel documentation system, gel image system or gel imager, refers to equipment widely used in molecular biology laboratories for the imaging and documentation of nucleic acid and protein suspended within polyacrylamide or agarose gels.

  7. QPNC-PAGE - Wikipedia

    en.wikipedia.org/wiki/QPNC-PAGE

    QPNC-PAGE, or Quantitative Preparative Native Continuous Polyacrylamide Gel Electrophoresis, is a bioanalytical, one-dimensional, high-resolution and high-precision electrophoresis technique applied in biochemistry and bioinorganic chemistry to quantitatively separate proteins by isoelectric point and by continuous elution from a gel column.

  8. Molecular-weight size marker - Wikipedia

    en.wikipedia.org/wiki/Molecular-weight_size_marker

    The first type of molecular marker developed and run on gel electrophoresis were allozymes. These markers are used for the detection of protein variation. The word "allozyme" (also known as "alloenzyme") comes from "allelic variants of enzymes." [28] When run on a gel, proteins are separated by size and charge. Although allozymes may seem dated ...

  9. Temperature gradient gel electrophoresis - Wikipedia

    en.wikipedia.org/wiki/Temperature_gradient_gel...

    When an electric field is applied, the DNA will begin to move through the gel, at a speed roughly inversely proportional to the length of the DNA molecule (shorter lengths of DNA travel faster) — this is the basis for size dependent separation in standard electrophoresis. In TGGE there is also a temperature gradient across the gel.

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