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https://hdl.handle.net/10316/4466| Title: | Positron lifetime studies in vinyl polymers of medical importance | Authors: | Marques, M. F. Ferreira Gordo, P. M. Gil, C. Lopes Kajcsos, Zs. Gil, M. H. Mariz, M. J. Lima, A. P. de |
Keywords: | Vinyl polymers; Positronium; Intra-ocular lenses; Pore size; Free volume | Issue Date: | 2003 | Citation: | Radiation Physics and Chemistry. 68:3-4 (2003) 485-488 | Abstract: | Vinyl polymers used as artificial lens implants in ophthalmology were investigated by positron lifetime spectroscopy. The structure of these polymers with free volumes offers the possibility of charging them with anti-inflammatory drugs for sustained release. A correlation between the amount of normalised free volume and the ratio of the methyl methacrylate to ethyl-hexyl-acrylate, used as polymerisation monomers, was found. | URI: | https://hdl.handle.net/10316/4466 | DOI: | 10.1016/S0969-806X(03)00213-5 | Rights: | openAccess |
| Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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|---|---|---|---|---|
| file0540f2d0b4ab4460b491ec2acf9e2f55.pdf | 99.62 kB | Adobe PDF | View/Open |
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