Abstract
Novel glucose and temperature dual-responsive monodispersed hollow nanospheres have been successfully fabricated via the one-pot two-step “self-removing” approach based on the consecutive radical (co)polymerization. Their diameter became smaller and their shells became porous with the increase of the feeding content of the glucose-responsive monomer (3-acrylamidophenylboronic acid (APBA)). The hollow nanospheres are glucose responsive at a pH value near the pKa (8.86) of the phenylboronic acid (PBA) derivative, with a swelling degree proportional to the concentration of glucose. Their volume phase transition temperature (VPTT) was obviously lower than that of the poly(N-isopropylacrylamide) (PNIPAM) hollow nanospheres and its transition temperature range also became wider.
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