Research outputs 2011, Journal of the American Chemical Society, 133(2), 279-285 DOI: Type: article 2011, Chemical Communications, 47(13), 3717-3735 DOI: Type: article Afaf H. El-Sagheer & Tom Brown, 2010, Proceedings of the National Academy of Sciences of the United States of America, 107(35), 15329-15334 DOI: Type: article