Fabrication of a GMA-co-EDMA monolith in a 2.0 mm i.d. polypropylene housing

Iacono, Marcello and Connolly, Damian and Heise, Andreas (2016) Fabrication of a GMA-co-EDMA monolith in a 2.0 mm i.d. polypropylene housing. Materials, 9 (4). ISSN 1996-1944

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Abstract

Polymers are interesting housing materials for the fabrication of inexpensive monolithic chromatography and solid phase extraction (SPE) devices. Challenges arise when polymeric monoliths are formed in non-conical, cylindrical tubes of larger diameter due to potential monolith detachment from the housing wall resulting in loss of separation performance and mechanical stability. Here, a two-step protocol is applied to ensure formation of robust homogeneous methacrylate monolith in polypropylene (PP) tubing with a diameter of 2.0 mm. Detailed Fourier-transform infrared (FTIR) spectroscopic analysis and Scanning Electron Microscopy (SEM) imaging confirm the successful pre-modification of the tubing wall with an anchoring layer of cross-linked ethylene dimethacrylate (EDMA). Subsequent formation of an EDMA-glycidyl methacrylate (GMA) monolith in the PP tube resulted in a homogeneous monolithic polymer with enhanced mechanical stability as compared to non-anchored monoliths.

Item Type: Article
Additional Information: Funding Information: This work was supported by funding from Science Foundation Ireland (07/IN1/B1792). M. I. gratefully acknowledges support from the Biomedical Diagnostic Institute (BDI) and the Irish Separation Science Cluster (ISSC) Publisher Copyright: © 2016 by the authors.
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2500
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Depositing User: Admin SSL
Date Deposited: 19 Oct 2022 23:03
Last Modified: 17 Jul 2023 07:40
URI: http://repository-testing.wit.ie/id/eprint/3821

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