Research Blog
Peptide Research: Testing, Stability & Methods
Cited, educational articles on peptide chemistry, HPLC and mass spec testing, stability, storage and research methods. For research use only.
Compounds
Compound Profiles Thymosin Alpha-1: A 28-Residue Thymic Peptide
The acetylated 28-residue peptide from thymosin fraction 5: its sequence, its precursor, in vitro signaling studies, and how it differs from thymosin beta-4 and thymalin.
DODaniel Okafor~5 min read
Compounds
Compound Profiles Pinealon: Glu-Asp-Arg and the Short-Peptide Bioregulator Concept
The chemistry of the Glu-Asp-Arg tripeptide, the preclinical work behind it, and why its DNA-binding hypothesis remains unconfirmed.
DODaniel Okafor~5 min read
Compounds
Compound Profiles Epitalon (Epithalon): A Synthetic Tetrapeptide Bioregulator
The chemistry of the Ala-Glu-Asp-Gly tetrapeptide, where it came from, and why its cell-culture literature still needs independent replication.
DODaniel Okafor~6 min read
Compounds
Compound Profiles DSIP (Delta Sleep-Inducing Peptide): Structure and Research History
DSIP was isolated in 1977, yet its gene and receptor remain unknown. Its structure, discovery history and the challenges of studying it.
DODaniel Okafor~5 min read
Compounds
Compound Profiles Semax: An ACTH(4-10) Analogue Peptide
Semax pairs the ACTH(4-7) segment with a Pro-Gly-Pro tail. Its structure, preclinical findings and methionine-related analytical checks explained.
DODaniel Okafor~5 min read
Compounds
Compound Profiles Selank: A Tuftsin-Derived Heptapeptide
Selank extends tuftsin with a Pro-Gly-Pro tail. Here is its structure, stability profile and what rodent and in vitro studies report.
DODaniel Okafor~5 min read
CompoundsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Compound Profiles Melanotan II (MT-2): Structure and Melanocortin Receptor Pharmacology
How melanotan II was designed from alpha-MSH, why its lactam ring matters, and how it behaves at melanocortin receptors in cell-based assays.
DODaniel Okafor~5 min read
CompoundsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Compound Profiles PT-141 (Bremelanotide): A Cyclic Melanocortin Receptor Agonist
Sequence, lactam ring chemistry and melanocortin receptor pharmacology of PT-141 (bremelanotide), with notes on cAMP assays and identity testing.
DODaniel Okafor~6 min read
CompoundsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Compound Profiles CJC-1295 With and Without DAC: What the Difference Is
Both CJC-1295 forms share four substitutions on GHRH(1-29); only one carries the albumin-binding DAC. Here is the chemistry and how to tell them apart.
DODaniel Okafor~4 min read
Educational content for research use only. Not for human consumption. Nothing here is medical advice or a claim about safety or efficacy.