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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/).
Baseline corrected and normalized spectra of the 10 blank SFN samples used for the calculation of limit of detection (LOD), limit of quantification (LOQ) and the reproducibility of the method.