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Fabrication of Single-Chain Nanoparticles Through the Dimerization of Pendant Anthracene Groups via Photochemical Upconversion

Fabrication of Single-Chain Nanoparticles Through the Dimerization of Pendant Anthracene Groups via Photochemical Upconversion

Tamuka Chidanguro, Danielle R Blank, Alexandra Garrett, Cassandra M Reese, Jacob M Schekman, Xinjun Yu, Derek L Patton, Neil Ayres, Yoan C Simon

Dalton Trans. 2018 Jul 3;47(26):8663-8669.

PMID: 29931004

Abstract:

We report on the use of visible light as the driving force for the intramolecular dimerization of pendant anthracene groups on a methacrylic polymer to induce the formation of single-chain nanoparticles (SCNPs). Using a 532 nm green laser light source and platinum octaethylporphyrin as a sensitizer, we first demonstrated the use of TTA-UC to dimerize monomeric anthracene, and subsequently applied this concept to dilute poly((methyl methacrylate)-stat-(anthracenyl methacrylate)) samples. A combination of triple-detection size-exclusion chromatography, atomic force microscopy, and UV-visible spectroscopy confirmed the formation of the SCNPs. This report pioneers the use of TTA-UC to drive photochemical reactions in polymeric systems, and showcases the potential for TTA-UC in the development of nanoobjects.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP31248392	Platinum octaethylporphyrin		31248-39-2	Price

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