Preparation and Characterization of Coaxial Electrospinning rhBMP2-Loaded Nanofiber Membranes

Table 1

The ingredients of each sample for test.

Sample	Inner layer	Outer layer	Abbreviations
1	PLLA/HFIP 6 wt.%	Zein/HFIP (14 wt.%)	Zein/PLLA
2	PLLA/HFIP 6 wt.%	Zein/HFIP (14 wt.%)+DEX	Zein-DEX/PLLA
3	PLLA/HFIP 6 wt.% + 12 μg rhBMP2	Zein/HFIP (14 wt.%)	Zein/PLLA-rhBMP2 (12 μg)
4	PLLA/HFIP 6 wt.% + 30 μg rhBMP2	Zein/HFIP (14 wt.%)	Zein/PLLA-rhBMP2 (30 μg)
5	PLLA/HFIP 6 wt.% + 48 μg rhBMP2	Zein/HFIP (14 wt.%)	Zein/PLLA-rhBMP2 (48 μg)
6	PLLA/HFIP 6 wt.% + 12 μg rhBMP2	Zein/HFIP (14 wt.%)+DEX	Zein-DEX/PLLA-rhBMP2 (12 μg)
7	PLLA/HFIP 6 wt.%+30 μg rhBMP2	Zein/HFIP (14 wt.%)+DEX	Zein-DEX/PLLA-rhBMP2 (30 μg)
8	PLLA/HFIP 6 wt.%+48 μg rhBMP2	Zein/HFIP (14 wt.%)+DEX	Zein-DEX/PLLA-rhBMP2 (48 μg)