Glossary
The terms that appear on certificates, product pages, and vial labels, defined plainly.
- Lyophilised
- Freeze dried. The peptide is supplied as a dry powder, which is far more stable than a solution and does not require cold shipping.
- Reconstitution
- Dissolving a lyophilised peptide into a liquid, usually bacteriostatic water, to produce a solution of known concentration.
- Bacteriostatic water
- Sterile water containing a small amount of benzyl alcohol, which inhibits bacterial growth and so allows a reconstituted vial a longer usable life than plain sterile water would.
- Certificate of analysis
- A document from a testing laboratory reporting what a specific batch contained. Useful only when it names the lot number it applies to.
- COA
- Short for certificate of analysis.
- Lot number
- The identifier for one synthesis batch. It is what links a physical vial to the certificate that describes it.
- HPLC
- High performance liquid chromatography. Separates a sample into components and reports the proportion that is the target peptide, which is the purity figure.
- Mass spectrometry
- Measures molecular mass to confirm a sample is the compound it claims to be. Purity without identity is an incomplete picture.
- Purity
- The share of a sample that is the intended peptide, normally by HPLC. Stated per batch, not per product line.
- Molecular weight
- The mass of one mole of the peptide, in grams per mole. Needed to convert between mass and molar concentration.
- Peptide
- A short chain of amino acids. Shorter than a protein, and in research supply typically synthesised rather than extracted.
- Amino acid sequence
- The order of amino acids in the chain, which defines the peptide.
- GLP-1 receptor agonist
- A compound that activates the glucagon-like peptide-1 receptor. Studied extensively in metabolic research.
- Dual agonist
- A compound acting on two receptor targets, for example GIP and GLP-1.
- Triple agonist
- A compound acting on three receptor targets.
- Secretagogue
- A compound that prompts the secretion of another substance.
- GHRH analogue
- A synthetic analogue of growth hormone releasing hormone, used as a reference compound in endocrine research.
- In vitro
- Literally in glass. Research performed outside a living organism, in cell culture or an analytical instrument. This is the only intended use for everything Vantra supplies.
- Research use only
- The material is intended for laboratory research and is not for human or animal consumption, and is not a therapeutic product.
- -20 C
- The recommended long term storage temperature for lyophilised research peptides.
- Insulin syringe unit
- A graduation on a 100 unit insulin syringe. 100 units equals 1 millilitre, so 10 units is 0.1 mL.
- Vial
- The sealed glass container the peptide is supplied in.