What is the difference between net and gross peptide?
All peptides are delivered by gross weight unless otherwise specified. Gross peptide weight is the weight of the peptide and peptide impurities as well as components such as salts, counter ions, residual solvents, and water. Net peptide, on the other hand, is a calculation of merely the peptide present. In certain experiments, this can be critical information as the peptide content can vary widely depending primarily on the sequence.