Production of Newcastle Disease Virus by Vero Cells Grown on Cytodex 1 Microcarriers in a 2-Litre Stirred Tank Bioreactor

Table 2

3**(3-1) Fractional Factorial Design for High-Speed Centrifugation.

	Level
	−1	0	1
Sample conc.(𝐴) (%)	25	50	100
Speed (𝐵) (rpm)	6400	12800	19200
Time (𝐶) (h)	4	8	12