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Table 1 The number of molecular formulae in FA and dirty air at positive ion mode (ESI +)

From: Label-free detection and quantification of ultrafine particulate matter in lung and heart of mouse and evaluation of tissue injury

Element Combination FA (Mean ± SD) Dirty air (PM) (Mean ± SD)
CHO 83.1 ± 4.6 103.8 ± 5.3
CHN 11.3 ± 1.1 16.4 ± 2.4
CHOS 1.8 ± 0.6 3.2 ± 0.8
CHNS 1.1 ± 0.4 1.2 ± 0.1
CHON 135.7 ± 11.7 236.4 ± 13.5
CHNaO 14.2 ± 2.1 20.6 ± 3.3
CHNNa 0.5 ± 0.2 0.8 ± 0.5
CHONS 3.2 ± 0.8 8.3 ± 1.2
CHNNaO 35.2 ± 3.6 33.7 ± 4.7
CHONaS 1.2 ± 0.5 0 ± 0
CHNNaS 1.3 ± 0.6 0 ± 0
CHONSNa 0.8 ± 0.2 1.3 ± 0.3
Total 288.7 ± 17.3 426.4 ± 20.7