TRPV1 and TRPA1 in Lung Inflammation and Airway Hyperresponsiveness Induced by Fine Particulate Matter (PM_2.5)

Table 1

Biochemical analyses of PM_2.5. Total organic carbon (TOC) (%) represents the proportion of TOC in the qualitative PM_2.5 samples.

Assay item	Value
TOC (%)	14.38
Endotoxin (EU/μg)	0.68
PAHs (mg/g)	710.56
Negative ion (mg/g)
F^-	1.434
Cl^-	33.33
SO4^2-	54.194
NO3^-	49.332
Br^-	0.354
PO4^3-	1.606
Positive ion (mg/g)
Li^+	0.6952
Na^+	25.442
NH4^+	20.612
K^+	4.2252
Mg^2+	1.694
Ca^2+	13.1648

PAHs: polycyclic aromatic hydrocarbons.