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Cytotoxicity of BEAS-2B exposed to ADE/non-ADE PM10 organic extracts from the urban site after ENX inhibition with Polymyxin B (PMB). A value <80% was considered cytotoxic. The positive control (+CNT) of toxicity and negative controls are DMSO at 0.1% and PMB at 10 µg/mL. Bars represent mean cell viability ± SEM, ∗∗∗ p < 0.001 of three independent experiments. Asterisks above line represent statistical significance between adjacent columns.
