BC	black carbon;
EC	elemental carbon;
CO	carbon monoxide;
HC	hydrocarbons;
NOx	nitrogen oxides;
NO2	nitrogen dioxide;
PM	Particulate Matter;
OR	Odds Ratio;
DEP	diesel engine exhaust particles;
ROS	reactive oxygen species;
HUVECs	human umbilical vein endothelial cells;
LO2	human normal liver cells;
GE	gasoline exhaust;
DE	diesel exhaust;
NEDC	New European Driving Cycle;
SMPS	Scanning Mobility Particle Sizer;
APS	Aerodynamic Panicle Sizer;
TC	Total Cholesterol;
TG	Total Triglycerides;
HDLc	High-Density Lipoprotein Cholesterol;
LDLc	Low-Density Lipoprotein Cholesterol;
ALP	alkaline phosphatase;
ALT	alanine aminotransferase;
AST	aspartate aminotransferase;
SOD	Superoxide Dismutase;
MDA	Malondialdehyde;
GSH-Px	Glutathione Peroxidase;
ELISA	enzyme-linked immunosorbent assay;
CCK-8	Cell Counting Kit-8;
OD	optical density.