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. 2024 Feb 28;14:4841. doi: 10.1038/s41598-024-55356-3

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© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2024

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Non-background compounds identified by MS² spectral library matching. (a) Number of non-background compounds from MS¹ ions with corresponding MS² spectra with match scores greater than 70 to a reference spectrum in NIST_2020_MSMS or mzCloud from polar and non-polar fractions analyzed in positive ( +) and negative (-) ion mode; (b) Number of non-background compounds from MS¹ ions with corresponding MS² spectra with match scores greater than 70 to a reference spectrum in NIST_2020_MSMS or mzCloud from polar fractions analyzed in positive ( +) ion mode per AcquireX ID file.