Triple-Component Drug-Loaded Nanocomposites Prepared Using a Modified Coaxial Electrospinning

Table 1

Parameters of the electrospinning processes and their products.

No.	Electrospinning	PVP content (%)	Flow rate (mL/h)			Morphology^b	Diameter (nm)
			Sheath fluid^a	Core fluid	Ratio
F1	Single	10.5	0.0	1.0	0	Linear/thick fibers	780±210
F2	Coaxial	10.5	0.1	0.9	0.11	Linear	620±120
F3	Coaxial	10.5	0.2	0.8	0.25	Beads-on-a-string	440±140
F4	Coaxial	0	0.1	0.9	0.11	Linear	610±110
F5	Coaxial	22.7	0.1	0.9	0.11	Linear	650±120

aSheath fluid was DMAc.
^bIn this column, ‘‘linear’’ morphology refers to nanofibers with few beads or spindles on them.