Issue 19, 2024

Light-driven folding of single polymer chains via metal-complexation

Abstract

We introduce a light-driven methodology (λmax = 365 nm) to fold single polymer chains into single chain nanoparticles (SCNPs). Exploiting the photo-isomerization of spiropyran entities embedded into the backbone of polymer chains (ranging from 15 to 38 mol%) constituted of polyethylene glycol carrying monomer units (ranging from Mn = 28 500 g mol−1 to 40 000 g mol−1), we complex their open form using a range of metals, including iron, copper and cobalt. The approach offers the first direct avenue for incorporating metals into SCNPs via a photochemical folding mechanism in one step.

Graphical abstract: Light-driven folding of single polymer chains via metal-complexation

Supplementary files

Article information

Article type
Paper
Submitted
11 Meur. 2024
Accepted
12 Ebr. 2024
First published
12 Ebr. 2024

Polym. Chem., 2024,15, 1955-1961

Light-driven folding of single polymer chains via metal-complexation

A. E. Izuagbe, B. T. Tuten, P. W. Roesky and C. Barner-Kowollik, Polym. Chem., 2024, 15, 1955 DOI: 10.1039/D4PY00280F

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