Peptide Laboratory Glossary

Essential research definitions in 1–2 concise sentences.

Sterile non-pyrogenic water containing 0.9% benzyl alcohol added as a preservative to inhibit bacterial growth in multi-dose vials.

Freeze-dried peptide solid in a glass vial requiring liquid reconstitution prior to research use.

Standard insulin syringe calibrated such that 100 graduation tick marks equal exactly 1.0 milliliter (mL) of fluid.

The mass of dissolved compound per unit volume of liquid (e.g. 2.5 milligrams per milliliter or mg/mL).

Unit of mass measurement equal to one-thousandth of a milligram (1 mg = 1,000 mcg).

Unit of mass measurement equal to one-thousandth of a gram (1 g = 1,000 mg).

Unit measuring the biological activity or potency of a substance (such as Somatropin HGH or HCG).

The process of dissolving a lyophilized powder into a liquid diluent to create an injectable solution.

A single vial containing two or more co-lyophilized peptide compounds for simultaneous reconstitution.

The solvent liquid (such as Bacteriostatic Water or Sterile Saline) used to dissolve dry peptide powder.