G 25 size exclusion columns

All chemicals of the highest purity were purchased from Sigma-Aldrich (St. Louis, MO) and used as received. All DNA sequences were purchased from IDT DNA Inc. as HPLC purified grade and used without further purifications. NHS ester modified fluorophores, Zeba desalting columns (7k MWCO) were purchased from Thermo Fisher Scientific. G-25 size-exclusion columns were purchased from GE Healthcare.

All unmodified staple strands were purchased from Integrated DNA Technologies Inc. in 96-well plate format (final concentration of 200 μM/well) and mixed after arrival. All amino-functionalized DNA strands were also purchased from IDT DNA as HPLC purified grade. DyLight™ 690-B1-NHS were purchased from Thermofisher. Folic acid-PEG-NHS were purchased from Nanocs Inc. G-25 size-exclusion columns were purchased from GE Healthcare. Dimethylformamide (DMF), DOX hydrochloride (DOX⋅HCl) were purchased from Sigma aldrich. PE anti-FOLR1 (Folate Binding Protein) Antibody was purchased from Biolegend (Catalogue number 908304). 100 KDa molecular cutoff filter was purchased from Millipore. WST1 assay reagent was purchased from Merck Bioscience. Coster, black clear bottom 96-well plates were purchased from Sigma aldrich.