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Semi-custom resins originate from customer requests involving a new combination of already commercially available: pore size, particle size and ligand technologies as indicated in the following tables:
|
Pore Diameter
(Angstroms) |
Particle Size (micron) |
|
Standard Chromatographic Ligands |
|
200 |
100 |
65 |
35 |
30 |
20 |
15 |
Anion
Exchangers |
Diethylaminoethyl (DEAE)
Quaternary Anion Exchanger (QAE) |
|
>1700 |
|
X |
|
|
|
|
|
|
>1200 |
X |
X |
|
|
|
|
|
Cation
Exchangers |
Sulfopropoyl (SP)
Carboxymethyl (CM)
Sulphonic acid (S) |
|
1000 |
|
X |
X |
X |
X |
X |
X |
|
750 |
|
X |
X |
|
|
|
|
Hydrophobic
Interaction |
Hexyl
Butyl
Phenyl
Polypropylene glycol (PPG)
Ether |
|
400-500 |
X |
X |
X |
X |
X |
X |
X |
|
125 |
|
|
X |
X |
|
|
|
|
50 |
X |
X |
X |
X |
|
|
|
|
X |
commercial |
X |
experimental |
|
not yet requested | |
A more judicious selection of these characteristics can allow the customer to optimize their: dynamic binding capacity, selectivity or resolution for their specific target, feedstock or process step.
Click here to start a TRIP request with us.
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