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Polymers 2018, 10(10), 1084;

Conformation Study of Dual Stimuli-Responsive Core-Shell Diblock Polymer Brushes

College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
Authors to whom correspondence should be addressed.
Received: 30 August 2018 / Revised: 26 September 2018 / Accepted: 28 September 2018 / Published: 30 September 2018
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Stimuli-responsive nanoparticles are among the most popular research topics. In this study, two types of core-shell (polystyrene with a photoiniferter (PSV) as the core and diblock as the shell) polymer brushes (PSV@PNIPA-b-PAA and PSV@PAA-b-PNIPA) were designed and prepared using surface-initiated photoiniferter-mediated polymerization (SI-PIMP). Moreover, their pH- and temperature-stimuli responses were explored by dynamic light scattering (DLS) and turbidimeter under various conditions. The results showed that the conformational change was determined on the basis of the competition among electrostatic repulsion, hydrophobic interaction, hydrogen bonding, and steric hindrance, which was also confirmed by protein adsorption experiments. These results are not only helpful for the design and synthesis of stimuli-responsive polymer brushes but also shed light on controlled protein immobilization under mild conditions. View Full-Text
Keywords: stimuli-response; polymer brush; polyelectrolyte; bovine serum albumin stimuli-response; polymer brush; polyelectrolyte; bovine serum albumin

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Chen, K.; Cao, L.; Zhang, Y.; Li, K.; Qin, X.; Guo, X. Conformation Study of Dual Stimuli-Responsive Core-Shell Diblock Polymer Brushes. Polymers 2018, 10, 1084.

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