Differential <i>In Vitro</i> Lung Cell Toxicity of Fresh and Photochemically Aged Smoke Aerosol Emissions from Simulated Wildland Fires of Duff and Surface Fuels.

Although the decrease in cell viability between the DMSO control (82.6%) and the Rx smoke PM extracts (75.6%) was approaching significance ( p = 0.0529) ( Figure ), the release of LDH from the BEAS-2B cells into the media was significantly increased following the 24 h exposure to the Rx smoke PM extracts (58% increase) compared to the DMSO control ( Figure a).

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