AF4	Asymmetric Flow Field Flow Fractionation
BSA	Bovine Serum Albumin
CDER/FDA	Center for Drug Evaluation and Research/U.S. Food and Drug Administration
CQA	Critical Quality Attribute
Dg	Diameter of gyration
Dh	Hydrodynamic diameter
DLS	Dynamic Light Scattering
EU NCL	European Nanomedicine Characterization Laboratory
MALS	Multi-Angle Light Scattering
NP	Nanoparticle
NTA	Nanoparticle Tracking Analysis
PBS	Phosphate Buffered Saline
PDI	Polydispersity Index
PSD	Particle Size Distribution
PVAL-COOH	Carboxyl-modified Poly(Vinyl Alcohol)
PVAL-COOH SPIONs	Maghemite core SPIONs coated with PVAL-COOH
PVAL-NH2	Poly(Vinyl Alcohol-Co-Vinyl Amine)
PVAL-NH2 (+) SPIONs	Maghemite core SPIONs coated with low ratio PVAL-NH2/PVAL-OH
PVAL-NH2 (++) SPIONs	Maghemite core SPIONs coated with high ratio PVAL-NH2/PVAL-OH
PVAL-OH	Polyvinyl Alcohol
PVAL-OH SPIONs	Maghemite core SPIONs coated with PVAL-OH
SPIONs	Superparamagnetic Iron Oxide Nanoparticles
TEM	Transmission Electron Microscopy
TRPS	Tunable Resistive Pulse Sensing