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Protein Charge Variant Reagent Kit

The LabChip® protein charge variant kit is a microfluidic assay used to measure relative percentages of variant in recombinant monoclonal antibody samples.

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The LabChip® GXII Touch Capillary Electrophoresis System uses a single sipper microfluidic chip to rapidly characterize protein samples from 24-, 96- or 384-well plates. The microfluidics chip technology automatically stains distains, electrophoretically separates and analyzes the protein samples. After the LabChip instrument optics detect the laser-induced fluorescent signal, easy to use system software automatically analyzes the data and provides the user with relative protein concentration, molecular size, and percent purity using ladder and marker calibration standards.

Digital data results are immediately available for review or reporting in virtual gel, electropherogram graph or table summary form.

Choose Protein Charge Variant Assay for samples with low concentration.


  • Sizing Resolution: Comparable to IEX and conventional CZE
  • Chip Primes per Reagent Kit: 120
  • Chip Sample Lifetime: 500
  • Sample Analysis Time: 90 – 110 sec


Product Brand Name LabChip GXII
Quantity in a Package Amount 1.0 Units
Research Areas Drug Development & Manufacturing, Drug Discovery & Manufacturing, Food & Agriculture
Sample Type Protein
Shipping Condition Dry Ice
Unit Size 1 kit