NS	Nanofiber Sheets
Dex	Dexamethasone
Dex(b)	Water-insoluble Dexamethasone
Dex(s)	Water-soluble Dexamethasone
PCLA	Poly(ε-caprolactone-co-l-lactide)
PCL	Poly(ε-caprolactone)
PLA	Poly(lactic acid)
PLLA	Poly(l-lactide)
PGA	Poly(glycolide)
PLGA	Poly(d,l-lactic-co-glycolic acid)
MPEG	Methoxy Poly(ethylene glycol)
Mn	Number-average Molecular Weight
Mw	Molecular Weight
CL	ε-Caprolactone
LA	l-lactide
NMR	Nuclear Magnetic Resonance
GPC	Gel Permeation Chromatograph
SEM	Scanning Electron Microscopy
FE-SEM	Field Emission Scanning Electron Microscopy
PBS	Phosphate Buffered Saline
ACN	Acetonitrile
HPLC	High Performance Liquid Chromatography
SD	Sprague Dawley