ACKNOWLEDGMENT
This work was financially supported by the Biotechnology and Biological Sciences Research Council, the Cancer and Polio Research Fund, the Human Frontiers Science Programme, and the North West Cancer Research Fund. We would like to acknowledge the supply of gold nanoparticles from BBInterna-tional, and we thank A. G. Kanaras, I. E. Sendroju, and S. Romero for the supply of experimental data which helped to confirm the
equations presented in this paper.