Table 4 | List of studies using co-axial..

Encapsulated material and core polymer Sheath material		Solvents		Fiber diameters (nm) Total (core)	References
		Sheath	Core	Fiber diameters (nm) Total (core)	References
Proteins-BSA	PCL	DMF+ chlorofom	Water	550 to 775 (80 to 311)	Jiang et al. 2005 [41]
Lysozyme with PEG Proteins- BSA	PCL+PEG	DMF+ chloroform	Water	2000 to 5700	Jiang et al. 2006 [42]
Lysozyme with dextran protein-FitcBSA with PEG	PCL	TFE	Water	(core-not reported) 270 to 380 (100 to 200)	Zhang et al. 2006 [43]
Drug- TCH with PLLA	PLLA	Chloroform+ acetone	Methanol +chloroform	150 to 3000 (60 to 215)	He et al. 2006 [29]
Magnetic nanoparticles- FePt	PCL	TFE	Dispersion of FePt in hexane	100 to 600 (50 to 75)	Song et al. 2006 [44]
Phase change materials-octadecane, hexadecane & eicosane	PVP/Ti(OiPr)₄ composite	Acetic acid+ ethanol	None-core in melt form	100 to 150 (core-not continuous, broke-up into droplets)	McCann et al. 2006 [23] Diaz et al. [27]
Oil	PVP	DMF	None	Beaded fibers core liquid in beads (size 2 to 10 mm), total fiber diameter between the beads is 1 to 1.5µm	Diaz et al. [27]
Cell suspension	Medical grade PDMS	Not reported		Not reported	Townsend-Nicholson & Jayasinghe [28]

Table 4: List of studies using co-axial electrospinning to achieve micro-encapsulation.