A peptide encoded by mitochondrial DNA opened a new category of metabolic research.

What the "research use only" designation means and why it defines how a peptide is communicated.

Lyophilization and refrigerated handling preserve peptide integrity until research use.

Two complementary methods answer two distinct questions: what the compound is and how pure it is.

What telomeres are, why they shorten and why telomerase is a focus of cellular research.