Reconstitution is where a lot of avoidable error creeps in. The principles that keep your material — and your data — clean.
Reconstitution is the process of dissolving a freeze-dried peptide back into a liquid for use in research. It sounds simple, but small mistakes here introduce contamination, degrade material, or throw off your intended concentration.
Principles That Apply Broadly
- Choose a solvent appropriate to the specific peptide; not every compound dissolves the same way.
- Add solvent slowly and let the peptide dissolve gently — avoid aggressive shaking, which can denature or foam the solution.
- Direct the solvent stream against the side of the vial rather than straight onto the powder.
- Calculate your target concentration before you start so your volumes are correct.
Keep It Sterile
Work with clean technique and sterile materials. Once reconstituted, a peptide solution is far more vulnerable than the dry powder was, so store it cold and use it within its stable window.
Label Everything
Record the compound, concentration, solvent, and date on every vial and aliquot. In a busy lab, an unlabeled tube is a lost experiment. Traceability at the bench mirrors the traceability we build into every batch.
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