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A Chaperonin as Protein Nanoreactor for Atom-Transfer Radical Polymerization

Renggli, Kasper and Nussbaumer, Martin G. and Urbani, Raphael and Pfohl, Thomas and Bruns, Nico. (2014) A Chaperonin as Protein Nanoreactor for Atom-Transfer Radical Polymerization. Angewandte Chemie. International edition in English, Vol. 53, H. 5. pp. 1443-1447.

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Official URL: http://edoc.unibas.ch/dok/A6233672

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Abstract

The group II chaperonin thermosome (THS) from the archaea Thermoplasma acidophilum is reported as nanoreactor for atom-transfer radical polymerization (ATRP). A copper catalyst was entrapped into the THS to confine the polymerization into this protein cage. THS possesses pores that are wide enough to release polymers into solution. The nanoreactor favorably influenced the polymerization of N-isopropyl acrylamide and poly(ethylene glycol)methylether acrylate. Narrowly dispersed polymers with polydispersity indices (PDIs) down to 1.06 were obtained in the protein nanoreactor, while control reactions with a globular protein–catalyst conjugate only yielded polymers with PDIs above 1.84.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie
05 Faculty of Science > Departement Chemie > Chemie > Makromolekulare Chemie (Meier)
UniBasel Contributors:Nussbaumer, Martin and Urbani, Raphael and Bruns, Nico and Renggli, Kasper and Pfohl, Thomas
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:VCH
ISSN:1521-3773
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:02 Oct 2015 10:00
Deposited On:27 Mar 2014 13:13

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