QF Thiophilic Gel - Data Sheet



QF Thiophilic Gel technical data sheet

Ligand �OCH2CH2SO2CH2CH2SCH2CH2OH
Ligand density No less than 35 μmol thioether per ml medium
Spacer 3-atom
Specific binding pair member IgG
Dinamic binding capacity (protein-dependent) At least 15-20 mg of IgG per ml medium
Matrix Quick Flow Beads
Particle size 80 - 100 μm
Recommended flow rate No more than 150 cm/h
Short term pH stability 4-13 (less than 2 hours)
Long term pH stability 4-12 (less than 1 week)
pH stability, short term refers to the pH interval for regeneration and cleaning
pH stability, long term refers to the pH interval where the medium is stable over period of time without adverse effects on its subsequent chromatographic performance.
cm/h is flow velocity (linear flow rate) = volumetric flow rate [ml/h] / cross sectional area of column [cm2].

Quick Flow Beads Benefits

  1. Quick Flow Beads are produced on basis of beaded cellulose. The matrix has heterogeneous structure forming both crystalline and amorphous fields of cellulose polymer chains with polymerization degree between 300 and 500 monomers. 
  2. The mechanical stability of Quick Flow Beads is remarkable. Unique chemical modification dramatically reduces nonspecific protein binding and improves flow characteristics. As well as due to presence of a large number of hydroxyl groups on the matrix, Quick Flow Beads are a highly hydrophilic support matrix. The intermolecular structure of Quick Flow Beads is stabilized by hydrogen bonding and to some extent by cross-linking.

Quick Flow Beads features:

  1. Highly hydrophilic matrix.
  2. Easy to modify for ligand attachment.
  3. Easy to handle due to excellent mechanical stability even for gel with large pores.
  4. Resistant to fines generation by stirring.
  5. Rigid spherical particles.
  6. High flow throughput of the gels at a low drop in pressure.
  7. Narrow particle size distribution.
  8. High chemical resistance and compatibility with most commonly used solvents and buffers.
  9. Applicability in wide range of pH (1-14) and salt concentrations with minimal swelling or shrinking
  10. High temperature stability allows sterilization by autoclaving.
  11. High porosity of matrix allows good capacity and recovery.