Supplier Page from Thermo Fisher Scientific for Polyethyleneimine, M.W. 60,000, 50% w/w aq. soln
Dotriacontane, 97% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific