Lab Handling
How to Reconstitute Tirzepatide for In Vitro Research
Reconstituting research tirzepatide: stock solutions, mg/mL to micromolar conversion at 4813.5 Da, dilution for cell assays, low-binding plastics and storage.
BEHIND THE ARTICLES
Jesse Brooks
Areas of expertise: Peptide lead discovery & screening, structural modification & stability optimization, pharmacodynamics & mechanism of action
Published articles
Lab Handling
How to Reconstitute Retatrutide: Lab Method and Math
Reconstituting lyophilized retatrutide for research: solvent choice for a lipidated peptide, concentration tables for 5–60 mg vials, mixing and storage.
Lab Handling
Reconstituting NAD+: Concentrations, Buffers and Stability
How to reconstitute NAD+ powder for research: concentration tables for 100-1000 mg vials, molar conversion at 663.4 g/mol, buffer choice and stability.
Testing & Quality
GHK-Cu Powder: Why It Is Blue and How to Check Quality
Why GHK-Cu powder and solutions are blue, what colour changes mean, how copper content and purity are tested, and how to store and dissolve the powder.
Lab Handling
Does Bacteriostatic Water Need to Be Refrigerated?
Unopened bacteriostatic water is labelled for room temperature (20–25 °C). What changes after opening, how long a vial lasts, and when it should be discarded.
Comparisons
CJC-1295 With DAC vs Without DAC: What DAC Means
DAC (drug affinity complex) lets CJC-1295 bind albumin, turning a short-acting GHRH analogue into one with a ~1-week half-life. How the two forms differ.
Comparisons
BPC-157 vs TB-500: Structure, Pathways and Evidence
BPC-157 and TB-500 are often grouped together but differ in origin, size and pathway. A side-by-side comparison of structure, mechanisms and published evidence.
Research Reviews
BPC-157 Half-Life: What Published Studies Report
BPC-157's plasma half-life is under 30 minutes in rats and dogs. What the PK study measured, how the peptide is cleared, and what it means in the lab.
Lab Handling
Bacteriostatic Water vs Sterile Water: Lab Differences
Bacteriostatic water has 0.9% benzyl alcohol and multi-dose vials; sterile water has no preservative and is single-use. Which suits peptide work.
Lab Handling
Bacteriostatic Water vs Saline and Reconstitution Solution
Is 'reconstitution solution' the same as bacteriostatic water? How bac water compares with bacteriostatic saline, sterile water and acetic acid.
Comparisons
AHK-Cu vs GHK-Cu: Copper Tripeptides Compared
AHK-Cu and GHK-Cu differ by one amino acid: alanine instead of glycine. How that changes structure and mass, and what each copper peptide has been studied for.
Peptide Profiles
What Is Tirzepatide? Structure, Receptors and Research
Tirzepatide is a 39-residue lipidated peptide acting on GIP and GLP-1 receptors. Its structure, discovery, pharmacokinetics and key trial data.