Plain-language guides for researchers working with lyophilized peptides: reading lab reports, reconstitution, storage, shipping and choosing a supplier. Everything here is general laboratory education.
Start here: verify what is in the vialHow to Read a Peptide Certificate of Analysis (COA)Learn how to read a peptide certificate of analysis: HPLC purity, mass spectrometry, net peptide content, endotoxin and batch numbers, plus red flags that a COA is fake.Handling: dissolving a lyophilized peptideHow to Reconstitute Lyophilized Peptides: A Step-by-Step Research GuideStep-by-step guide to reconstituting lyophilized research peptides: choosing a diluent, adding it safely, mixing, calculating concentration and storing the solution.Handling: choosing the right diluentBacteriostatic Water vs Sterile Water: Choosing a Peptide DiluentCompare bacteriostatic water, sterile water and saline as diluents for lyophilized research peptides: what each contains, how long it keeps and when to use it.Handling: temperature, light and shelf lifeHow to Store Lyophilized Peptides: Temperature, Light and Shelf LifeHow to store lyophilized (freeze-dried) research peptides and reconstituted solutions: temperature, moisture, light, shelf life, and signs of degradation.Logistics: what happens in transitShipping Peptides: Heat, Transit Time and StabilityHow shipping affects lyophilized research peptides: transit time, temperature exposure, packaging, what to check on arrival and when to contact the supplier.Buying: what to look for in a supplierHow to Choose a Research Peptide Supplier: A 10-Point ChecklistA practical 10-point checklist for evaluating a research peptide supplier: third-party COAs, batch traceability, shipping, storage, transparency and red flags.Reference: plain-language definitionsPeptide Glossary: 30 Terms Every Researcher Should KnowA plain-language glossary of peptide research terms: lyophilized, HPLC, COA, net peptide content, reconstitution, endotoxin, TFA salt, aliquot, and more.Tools: reconstitution calculator · COA library · how to pay
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