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?
Allows for desalting and concentrating samples in a single, fast step. Standard Workflow for Sample Prep Produced by Millipore , C4 Zip-tips are 10
Rinsing with a buffer like 0.1% trifluoroacetic acid (TFA). Produced by Millipore
Essential when working with low-abundance samples. Produced by Millipore , C4 Zip-tips are 10