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. 2017 Feb 25;9(3):76. doi: 10.3390/toxins9030076

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Example of chromatogram from the analysis of brand #15 using DNS derivatization and UHPLC-HESI-HRMS analysis for cylindrospermopsin (CYN), saxitoxin (STX), β-methylamino-l-alanine (BMAA), and diaminobutyric acid-D₃ (DAB-D₃). The analytes are represented by the integrated peaks with corresponding retention times (RT) and area (AA).