Toyopearl QAE-550 is a strong anion exchanger useful for purification of proteins up to 100kD.  It is used for high throughput capture of feedstocks.

Structure:

Product Attributes:

Pore size (mean):  500Å  Particle size (mean): 100µm (C-grade)  Pressure rating:  3 bar  Shipping buffer:  20% ethanol  pH stability:  2-13  Shelf life:  10 years

Literature:

 

Comparative information for AIEX resins

Typical dynamic binding capacities for BSA @   100cm/hour   pKa's for Ion Exchange groups