1. 1) Shi J, Votruba AR, Farokhzad OC, Langer R. Nanotechnology in drug delivery and tissue engineering: from discovery to applications. Nano Lett., 10, 3223–3230 (2010).
2. 2) Ishida T, Iden D, Allen T. A combinatorial approach to producing sterically stabilized (Stealth) immunoliposomal drugs. FEBS Lett., 460, 129–133 (1999).
3. 3) Matsumura Y, Maeda H. A new concept for macromolecular therapeutics in cancer chemotherapy: mechanism of tumoritropic accumulation of proteins and the antitumor agent smancs. Cancer Res., 46, 6387–6392 (1986).
4. 4) Hatakeyama H, Akita H, Harashima H. A multifunctional envelope type nano device (MEND) for gene delivery to tumours based on the EPR effect: a strategy for overcoming the PEG dilemma. Adv. Drug Deliv. Rev., 63, 152–160 (2011).
5. 5) Bartlett DW, Su H, Hildebrandt IJ, Weber WA, Davis ME. Impact of tumor-specific targeting on the biodistribution and efficacy of siRNA nanoparticles measured by multimodality in vivo imaging. Proc. Natl. Acad. Sci. U.S.A., 104, 15549–15554 (2007).