News
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Sharing a Purification Process Scheme for High-Purity RNase A
Ribonuclease A Ribonuclease A (RNase A), abbreviated as RNase A, is a single-chain polypeptide containing four disulfide bonds, with a molecular weight of approximately 13.7 kDa (amino acid sequence). RNase... -
Desalt Sample? G25 Purification Column Helps
Tandex G25 Tandex G25 is a kind of bead medium formed by 3 chlorine-1,2 propylene oxide cross-linked dextran, which is suitable for desalination and buffer replacement of biological macromolecules with... -
Purify Antibodies? Welch Comes to Help
Monoclonal antibodies are widely used in the diagnosis, prevention and treatment of diseases. Since the first monoclonal antibody drug was launched in 1986, nearly 40 kinds of McAb drugs have... -
His-tagged protein purification with Ni column, so simple!
Introduction In 1975, Porath et al. proposed a new purification method - immobilized metal chelate chromatography. This method uses coordination-chelation interaction of metal ions (Ni2+, Cu2+, etc.) with residues on...