Ag	silver
ALI	air-liquid interface
BAL	bronchoalveolar lavage
BEAS-2B	human bronchial epithelial cell line
C	carbon
COPD	chronic obstructive pulmonary disease
CF	cystic fibrosis
ENP	engineered nanoparticles
HBE	human bronchial epithelia
ICP-MS	inductively coupled plasma mass spectrometry
IL	interleukin
LAORA	Life Alliance Organ Recovery Agency
LDH	lactate dehydrogenase
MCP	monocyte chemotactic protein
NACIVT	Nano Aerosol Chamber for In Vitro Toxicity
NP	nanoparticles
p-free	particle-free
PM	particulate matter
PSL	polystyrene latex particles
RH	relative humidity
SMPS	scanning mobility particle sizer
TEM	transmission electron microscope/microscopy
TNF	tumor necrosis factor