PEG	Polyethylene Glycol
mPEG	Methoxy Polyethylene Glycol
FDA	Food and Drug Administration
ROA	Rout of Administration
TPP	Triphenylphosphine
PVA	Polyvinylalcohol
Ig	Immunoglobulins
MPS	Mononuclear Phagocyte System
PC: Chol	Phosphatidyl-choline: Cholesterol
ADME	Absorption, Distribution, Metabolism, and Excretion
NSG	NOD Skid Gamma mice
PDX	Patient Derived Xenograft
IV	Intravenous Injection
LAM	Lung-Associated Macrophages
OA	Osteoarthritis