ΔHm	enthalpy changes
AFM	atomic force microscopy
ANOVA	analysis of variance
API	active pharmaceutical ingredients
BBB	blood-brain barrier
CH	cholesterol
CMAs	Critical Material Attributes
CPPs	Critical Process Parameters
CQAs	Critical Quality Attributes
DCP	dicetyl phosphate
DLS	dynamic light scattering
DoE	Design of Experiments
DOPC	1,2-dioleoyl-sn-glycero-3-phosphocholine
DOPE	1,2-dioleoyl-sn-glycero-3-phosphoethanolamine
DPPE	1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine
DS	Design Space
DSC	differential scanning calorimetry
DSPC	1,2-distearoyl-sn-glycero-3-phosphocholine
DSPE-PEG2000	1,2-distearoyl-sn-glycero-3-phosphoethanolamine-n-[methoxy(polyethyleneglycol)-2000]
EMA	European Medicines Agency
EPC	egg phosphatidylcholine
FITC	fluorescein isothiocyanate
FT-IR	Fourier transform infrared spectroscopy
GC-MS	gas chromatography-mass spectrometry
GDNF	glial cell-line derived neurotrophic factor
ICH	International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use
KCl	potassium chloride
K2HPO4	dipotassium phosphate
KH2PO4	potassium dihydrogen phosphate
MIR	mid-infrared spectroscopy
Na2HPO4 × 2 H2O	disodium hydrogen phosphate dihydrate
NaCl	sodium chloride
NBCDs	non-biologically complex drugs
PBS pH 5.6	phosphate-buffered saline pH 5.6
PBS pH 7.4	phosphate-buffered saline pH 7.4
PC	L-α-phosphatidylcholine
PdI	polydispersity index
QbD	Quality by Design
QTPP	Quality Target Product Profile
RA	Risk Assessment
RES	reticuloendothelial system
SA	stearylamine
Saline solution	sodium chloride physiological solution
Span 60	sorbitan monostearate
SPC	soy phosphatidylcholine
Tg	glass transition temperature
TG	thermogravimetric measurements
TGA	thermogravimetric analysis
Tm	phase transition temperature
Tween 20	sorbitan monolaurate/Polysorbate 20
Tween 80	sorbitan monooleate/Polysorbate 80