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(A) Schematic representation of the formation of an amide-based ATRP Initiator Layer on mesoporous silica nanoparticles (MSNs) surface. (B) Synthesis of PTBAEMA brush from an initiator-functionalized MSNs surface via ATRP in water/isopropyl alcohol at 40 °C. (C) Suggested surface modification of PTBAEMA brush layer when using iodoethanol at pH 8.5 and 40 °C.
