Aptagen, LLCDNA HER2 peptide Protein 18.9 nM (reported value) Hanks buffer with 0.1 mg/mL salmon sperm DNA and 1 mg/mL of BSA NA If the oligo is a known aptamer sequence: For binding studies, perform a refolding program to ensure proper function (i.e. binding to antigen or target). Refer to the aptamer reference source for the appropriate refolding parameters and binding conditions. Note: it is unknown whether aptamer functions properly without refolding. Aptamer was complexed with doxorubicin and selectively delivered doxorubicin to HER2-positive cells in vitro.