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. 2021 Aug 28;15(9):687–697. doi: 10.1049/nbt2.12067

FIGURE 4.

FIGURE 4

Secondary identification and functional analysis of differential metabolites. (a) Secondary identification of differential metabolites following a 24 h zirconium oxide nanoparticle (ZrO2 NP) treatment; (b) Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis of differential metabolites following a 24 h ZrO2 NP treatment; (c) Secondary identification of differential metabolites following a 48 h ZrO2 NP treatment; (d) KEGG pathway analysis of differential metabolites following a 48 h ZrO2 NP treatment