[1] Univ New South Wales, Ctr Adv Macromol Design, Sydney, NSW 2052, Australia
[2] Univ New South Wales, Australian Ctr Nanomed, Sch Chem Engn, Sydney, NSW 2052, Australia
[3] CSIRO Mfg, Bag 10, Clayton, Vic 3169, Australia
[4] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA
[5] Univ Calif Santa Barbara, Dept Mat Chem, Santa Barbara, CA 93106 USA
[6] Univ Calif Santa Barbara, Dept Biochem, Santa Barbara, CA 93106 USA