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Synthesis of morphologically diverse dual thermo- and pH-responsive nano-objects via RAFT-mediated emulsion PISA

2025/01/01 by Svetlana Lukáš Petrova, Ewa Pavlova, Martin Hrubý +1 · 1 voice · 1 citation
Chemistry · Materials Science · Biochemistry, Genetics and Molecular Biology · #Advanced Polymer Synthesis and Characterization #Pickering emulsions and particle stabilization #Hydrogels: synthesis, properties, applications

paper · pdf · doi:10.1039/d5na00779h

openalex publication_date 2025/01/01 · openalex created_date 2025/10/11 · openalex updated_date 2026/06/26

Abstract

-PDPA diblock copolymer nano-objects under conditions both below and above the LCST of PTEGMA. By systematically varying the length of the PDPA block, we accessed a wide array of morphologies-including micelles, worms, vesicles, and intricate "octopus"-like structures-simply by adjusting the polymerization temperature and hydrophobic block length. These nanostructures displayed clear dual responsiveness: thermally triggered aggregation around ∼40 °C and reversible disassembly in acidic environments. Our findings highlight the precise morphological control achievable through aqueous RAFT-PISA and underscore its potential for designing smart nanomaterials tailored for biomedical and stimuli-responsive applications.

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