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|Title:||Towards Future Reference Systems for GM Analysis|
|Authors:||TRAPMANN Stefanie; CORBISIER Philippe; SCHIMMEL Heinz; EMONS Hendrik|
|Citation:||ANALYTICAL AND BIOANALYTICAL CHEMISTRY vol. 396 no. 6 p. 1969-1975|
|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 Institute:||Health, Consumers and Reference Materials|
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