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Amphiphilic Photosensitive Dextran-G-Poly(o-Nitrobenzyl Acrylate) Glycopolymers

Amphiphilic Photosensitive Dextran-G-Poly(o-Nitrobenzyl Acrylate) Glycopolymers

Soliman Mehawed Abdellatif Soliman, Ludovic Colombeau, Cécile Nouvel, Jérôme Babin, Jean-Luc Six

Carbohydr Polym. 2016 Jan 20;136:598-608.

PMID: 26572392

Abstract:

Among all photosensitive monomers reported in the literature, o-nitrobenzyl acrylate (NBA) was selected in this present study. Two strategies were compared to produce azido-terminated poly(o-nitrobenzyl acrylate) (PNBA) using controlled Single Electron Transfer-Living Radical Polymerization (SET-LRP). In a parallel way, dextran (Dex) was modified by the introduction of several alkynyl-terminated hydrophobic chains. Finally, an Huisgen-type Copper (I)-catalyzed Azide-Alkyne Cycloaddition (CuAAC) click-chemistry was carried out to produce amphiphilic Dex-g-PNBA glycopolymers with different number and length of PNBA grafts. 2D DOSY (1)H NMR was used to prove the formation of such glycopolymers. Preliminary study on Dex-g-PNBA self-assembly was done by measuring the critical water content (CWC) above which Dex-g-PNBA started to auto-organize themselves to produce nano-objects. Finally, under UV irradiation, PNBA grafts turn into poly(acrylic acid) ones giving light-sensitive properties to such amphiphilic Dex-g-PNBA. Such properties were evaluated and compared with those of PNBA.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP69678495	Poly(9H-carbazole-9-ethyl acrylate)		69678-49-5	Price
AP915376497	11-Phosphonoundecyl acrylate		915376-49-7	Price

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