Please use this identifier to cite or link to this item: https://doi.org/10.1002/1522-2683(20000801)21:14<2886
Title: Field amplified stacking injection - Capillary electrophoresis for quantitative analysis of released methacrylic acid from dental composites
Authors: Sabapathy, R.
Liu, W.P.
Yap, A.U.J. 
Lee, H.K. 
Keywords: Capillary electrophoresis
Dental restorative materials
Field-amplified stacking injection
Methacrylic acid
Issue Date: 2000
Source: Sabapathy, R.,Liu, W.P.,Yap, A.U.J.,Lee, H.K. (2000). Field amplified stacking injection - Capillary electrophoresis for quantitative analysis of released methacrylic acid from dental composites. Electrophoresis 21 (14) : 2886-2890. ScholarBank@NUS Repository. https://doi.org/10.1002/1522-2683(20000801)21:14<2886
Abstract: Field-amplified stacking injection-capillary electrophoresis (FASI-CE) applied for the first time to the study of dental materials is demonstrated in this report. CE was used to separate methacrylic acid from the other degraded components. Due to the background electrolyte being weakly basic and methacrylic acid being negatively charged, in-capillary enrichment of the analyte was achieved by FASI. A detection limit of less than 50 ppb was obtained with good reproducibility (relative standard deviation &lt; 3%). The method was applied to the analysis of four commercially available dental composites. Results showed that FASI-CE was effective in monitoring the fabrication process and product quality of restorative materials fabricated from methacrylate-based composites by analyzing the amount of methacrylic acid released from the residual methacrylate monomers.
Source Title: Electrophoresis
URI: http://scholarbank.nus.edu.sg/handle/10635/77444
ISSN: 01730835
DOI: 10.1002/1522-2683(20000801)21:14<2886
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