Chromatography Chemistries

PROTEOPEP™ II ProteoPep™ II produces sharper peaks with less noise than ProteoPep™. C18, 300 Å pore material excellent for both hydrophobic and hydrophilic peptides Exceptional peak shape for peptide analysis with trace (0.005%) or no TFA High peak counts — high resolution Peptide mapping and purification Synthetic peptide purification 5 µm particle size

Standard Chemistries

ProteoPep™
• C18, 300 Å
• Exceptional peak shape for peptide analysis with trace (0.005%) or no TFA
• Recommended for intact proteins
• 5 µm particle size

BioBasic^®
• C18, C8 and C4, 300 Å
• Highly deactivated
• Ideal for proteins and peptides
• Extremely stable bonding chemistry
• 5 µm particle size

AQUASIL
• C18, 100 Å
• Immune to retention loss by pure water
• Deactivated acids or bases
• Good performance with low TFA
• 5 µm particle size

Strong Cation Exchange
• SCX, 85Å
• 5 µm particle size

Biphasic PicoFrit^® Columns

• Analyzes hundreds of proteins in a single run
• Combines high-quality cation exchange material with ProteoPep™ II C18 or any of our other premier chemistries

Biphasic PicoFrit^® Column

(Washburn, M.P., D. Wolters, J.R. yates. Nature Biotechnology 19 (2001): 242-247.)