Knowledge base

Articles

Background on peptide quality, analysis methods, reconstitution and storage. Written for researchers, factual and without usage advice.

Batch number, chromatogram, retention time, mass and residual values: what to check, and in which order, before you use material.

How solid-phase peptide synthesis, purification and lyophilization work, and where in that process impurities arise.

The difference between research materials, medicines and supplements, and what that means for delivery within the EU.

Purity describes the ratio between the target peptide and everything else in the vial. How HPLC measures it, and where certificates go wrong.

Why you add along the wall, why you swirl instead of shake, and how to calculate the concentration.

Temperature, light, moisture and freeze-thaw cycles: the four factors that determine shelf life.

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