Abstract
Organic–inorganic hybrid nanoflowers, facilely made from bovine serum albumin and copper phosphate (BSA–Cu3(PO4)2·3H2O), have attracted considerable attention for the application of biocatalysts in recent years. The improved stability and activity of above-mentioned nanoflowers enhanced the efficiency of reversible addition–fragmentation chain transfer (RAFT) polymerization of functional methacrylate monomers with the assistance of acetylacetone (ACAC) and hydrogen peroxide (H2O2) in a mixed solvent of DMF and H2O. Such RAFT strategy can be employed for the polymerization of N,N-dimethylaminoethyl methacrylate (DMAEMA) and poly(ethylene glycol) methyl ether methacrylate (PEGMA500), in which both poly(DMAEMA) and poly(PEGMA500) could be synthesized in a controllable manner with typical RAFT features, e.g., precise control of molecular weight, specific molecular structure, and narrow polydispersity index (Mw/Mn). Significantly, the low-cost nanoflowers could be easily separated from reaction mixture after p...
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