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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Nanomedicine. 2012 Feb 17;8(8):1301–1308. doi: 10.1016/j.nano.2012.02.002

Figure 2.

Figure 2

(A) Thermogelling effect: The dispersion of IPN nanoparticles is a fluid at 21°C but is physically gelled and could not flow at 37 °C. (B) Temperature/pH dependent viscosity of dispersions of polymer nanoparticles (5%wt) of poly(oligo(ethylene glycol)) and its IPN nanoparticles. The thermogelling effect occurs only for IPN nanoparticles at pH 7.