Toward controlling folding in synthetic polymers: Fabricating and characterizing supramolecular single-chain nanoparticles

E.B. Berda, E.J. Foster, E.W. Meijer

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Abstract

We discuss in detail our facile method for producing supramolecular polymeric nanoparticles from the collapse of single polymer chains. A new family of poly(methyl methacrylate)-based nanoparticles confirm that our method is general and can be easily tuned toward a variety of applications. Thorough AFM characterization elucidates the conditions required to visualize single particles as well as complex assemblies of particles mediated by the evaporation of solvent. AFM studies also indicate that the intramolecular collapse resembles the cooperative folding process witnessed in biomacromolecules and that the particles possess a complex morphology that implies the internal organization of the UPy dimers used to induce the intramolecular collapse. Thermal studies support these observations in addition to confirming the applicability of this system in the fabrication of processable high-performance supramolecular materials.
Original languageEnglish
Pages (from-to)1430-1437
Number of pages7
JournalMacromolecules
Volume43
Issue number3
DOIs
Publication statusPublished - 2010

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Polymers
Nanoparticles
Polymethyl Methacrylate
Polymethyl methacrylates
Dimers
Evaporation
Fabrication
Hot Temperature

Cite this

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Toward controlling folding in synthetic polymers: Fabricating and characterizing supramolecular single-chain nanoparticles. / Berda, E.B.; Foster, E.J.; Meijer, E.W.

In: Macromolecules, Vol. 43, No. 3, 2010, p. 1430-1437.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Toward controlling folding in synthetic polymers: Fabricating and characterizing supramolecular single-chain nanoparticles

AU - Berda, E.B.

AU - Foster, E.J.

AU - Meijer, E.W.

PY - 2010

Y1 - 2010

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AB - We discuss in detail our facile method for producing supramolecular polymeric nanoparticles from the collapse of single polymer chains. A new family of poly(methyl methacrylate)-based nanoparticles confirm that our method is general and can be easily tuned toward a variety of applications. Thorough AFM characterization elucidates the conditions required to visualize single particles as well as complex assemblies of particles mediated by the evaporation of solvent. AFM studies also indicate that the intramolecular collapse resembles the cooperative folding process witnessed in biomacromolecules and that the particles possess a complex morphology that implies the internal organization of the UPy dimers used to induce the intramolecular collapse. Thermal studies support these observations in addition to confirming the applicability of this system in the fabrication of processable high-performance supramolecular materials.

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