β-Amyloid (1-38), derived from mice and rats, is a chemical compound comprising 38 amino acids, specifically residues 1-38 of the Aβ peptide. Notably, it serves as the primary constituent of amyloid plaques associated with Alzheimer's disease.
Amyloid (1-42), rat is a polypeptide composed of 42 amino acids. It is toxic to hippocampal slices and can be used in the study of alzheimer's disease.