The effect of macromolecular architecture in nanomaterials: A comparison of site isolation in porphyrin core dendrimers and their isomeric linear analogues.

Harth, E. M.; Hecht, S.; Helms, B.; Malmstrom, E. E.; Frechet, J. M. J. and Hawker, C. J.;
J. Am. Chem. Soc.
2002
124, 3926-3938.