Capillary Electrophoresis (CE)

Capillary Electrophoresis (CE)
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Capillary electrophoresis is an analytical technique that ions are separated based on their migration rates with the use of an electric field within a capillary. The migration rate is dependent upon the charge of the molecule, the viscosity, and the atom's radius. Typically, a capillary electrophoresis system consists of a high-voltage power supply, a sample introduction system, a capillary tube made of fused silica and coated with polyimide, a temperature control device, a detector and an output device. Each side of the high voltage power supply is connected to an electrode. These electrodes help to induce an electric field to initiate the migration of the sample from the anode to the cathode through the capillary tube. Each side of the capillary tube is dipped in a vial containing the electrode and an electrolytic solution, or aqueous buffer. Separation process begins with replacing one of the reservoirs (usually at the anode) with a sample reservoir and applying an electric field. Detection is usually conducted via a small window near the cathodic end of the capillary which allows UV-VIS light to pass through the sample and measure the absorbance.
Capillary electrophoresis has a diverse application range in different industries. Some of its main applications are separations of compounds such as amino acids, chiral, vitamins, proteins, peptides, inorganic ions, organic acids, carbohydrates, and specially sizing and characterization of nanomaterials.
The appropriate place to install a capillary electrophoresis device must have the following conditions:
  • Clean, dry and stable surface
  • Suitable environmental conditions
  • Good ventilation

Product Standard

  • NanoScale Certification

    NanoScale Certification

    Standard Date : 2017/02/20

    Expire Date : 2020/02/20



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