For DLLME samples, both ESI positive and negative data, the calculated OPLS-DA models were highly significant with a p -value of 0.0006 (ESI positive) and 0.005 (ESI negative), and comprised one predictive and three orthogonal components, with a reasonable fit to the data (R 2 X ≥0.714, R 2 Y = 0.99 and Q 2 ≥0.817).
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Multi-platform metabolomic analyses of ergosterol-induced dynamic changes in Nicotiana tabacum cells.
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