Definition of fractionate in English:



[with object]Chemistry
  • 1Divide into fractions or components.

    ‘samples were fractionated by electrophoresis’
    • ‘Two sets of samples were fractionated on 1.0% agarose gels and transferred to nylon membranes.’
    • ‘The blood samples were fractionated and stored at - 80° C.’
    • ‘This is an equipment which fractionates proteins according to their isoelectric point.’
    • ‘Our fractograms show colloid size distributions with major peaks centered at 50 to 60 nm for samples that were size fractionated immediately following the preconcentration step.’
    • ‘Sap collection from one same leaf was fractionated into several samples of 15-80 mm volume that were immediately stored at - 80°C for subsequent analyses.’
    split, cut up, cleave, carve up, slice up, chop up, split up
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    1. 1.1 Separate (a mixture) by fractional distillation.
      ‘the products were fractionated with boiling acetone in a Soxhlet apparatus’
      • ‘The resulting products were fractionated on an agarose gel.’
      • ‘In this experiment, mitochondrial proteins were fractionated using a long gel, which allowed the separation of all major mitochondrial proteins.’
      • ‘Cell debris was removed by centrifugation, and the supernatant was fractionated by ammonium sulfate precipitation.’
      • ‘The extract is then carefully fractionated by chromatographic separation methods.’
      • ‘The obtained extracts were fractionated by acetone precipitation.’
      purify, refine, filter, treat, process
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