Have you experienced how Nickel-charged chromatography columns used for purifying His-tagged proteins lose their blue color, become a bit yellow and can’t bind your protein anymore? It can happen after only one use. No amount of washing will..
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- August 12, 2020
- The Bio-Works Team
Do you find yourself having to deal with a very low yield of your target protein after the expression? Are you using a His-tag? Here are some ideas to help you with your purification.
Read More- December 4, 2019
- The Bio-Works Team
A critical and fundamental factor in both analytical and preparative chromatography is the use of true buffers. In other words, mobile phases with buffering capacity. For example, in peptide purification, there are concentrated bands of various..
Read More- November 18, 2019
- The Bio-Works Team
Peptide therapeutic agents are enjoying increasing success but they are challenging to produce and, not least, to purify. Purity requirements are, in fact, approaching those for small molecules. Synthesis generates a crude mixture containing..
Read More- May 29, 2019
- The Bio-Works Team
The global diabetes pandemic has created a massive demand for insulin, especially in China, which is expected to soon have half the world’s diabetes patients. Meeting this demand means developing extremely efficient production methods that can..
Read More- May 16, 2019
- The Bio-Works Team
The purity requirements for therapeutic peptides are very stringent, but synthesis generates a crude peptide mixture containing failed sequences and chemical variants, while recombinant peptides have a considerable bioburden from the host cell...
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