Title: Towards Future Reference Systems for GM Analysis
Authors: TRAPMANN StefanieCORBISIER PhilippeSCHIMMEL HeinzEMONS Hendrik
Citation: ANALYTICAL AND BIOANALYTICAL CHEMISTRY vol. 396 no. 6 p. 1969-1975
Publication Year: 2010
JRC N°: JRC55725
ISSN: 1618-2642
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC55725
DOI: 10.1007/s00216-009-3321-8
Type: Articles in periodicals and books
Abstract: Despite the fact that the measurement unit for the quantification of GMOs in food and feed has not yet been unambiguously agreed upon in Europe, international trade requires reliable GMO analysis measuring comparably the GMO content in products. The two reference systems, based on mass fractions and on copy number ratios, respectibely, and their metrological traceability chains are represented and discussed. it is concludedthat properly established and expressed measurement results in copy number ratios can provide a metrological sound reference system. in that case certified reference materials used for calibration and quallity control, respectively, can be independent from each other and the uncertainty derived from calibration can be correctly be included in the overall uncertainty of the GMO measurement. However, further efforts are required to establish this metrological system
JRC Directorate:Health, Consumers and Reference Materials

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