1. 1) T. Tsuruta, Adv. Polym. Sci., 126, 1 (1996).
2. 2) D. Klee and H. Höcker, Adv. Polym. Sci., 149, 1 (1999).
3. 3) B. Kasemo, Surf. Sci., 500, 656 (2002).
4. 4) C. Werner, M. F. Maitz, and C. Sperling, J. Mater. Chem., 17, 3376 (2007).
5. 5) J. M. Harris, “Poly(ethylene glycol) Chemistry: Biotechnical and Biomedical Applications”, Plenum Press, NY (1992).