S-1 Supporting Information Achieving Effective Terminal Exciton Delivery in Quantum Dot Antenna-Sensitized Multistep DNA Photonic Wires Christopher M. Spillmann, Mario G. Ancona, Susan Buckhout-White, Walter Russ Algar, Michael H. Stewart, Kimihiro Susumu, Alan L. Huston, Ellen R. Goldman and Igor L. Medintz DHLA-PEG 750 -OMe n~15 Figure S1. Structure of the PEG-appended dihydrolipoic acid DHLA-PEG-methoxy (OMe) terminated ligand used to make the QDs soluble. The structure is shown with the thiols in reduced form.