C4zip Review

Produced by Millipore , C4 Zip-tips are 10 µL pipette tips containing a specialized C4 (butyl) stationary phase resin. Unlike the more common C18 tips used for peptides, the C4 resin is optimized for larger, more hydrophobic molecules like intact proteins and large polypeptides. Why C4 over C18?

Perfect for recovering larger proteins without losing them to the resin. Produced by Millipore , C4 Zip-tips are 10

Preparing the resin with a wetting solution (e.g., 50:50 acetonitrile in water). Produced by Millipore