From: Mycosynthesis of silver nanoparticles from endophytic Aspergillus flavipes AUMC 15772: ovat-statistical optimization, characterization and biological activities
Variables
Symbol
Level
Low (− 1)
High (+ 1)
AgNO3 concentration
X1
1Â Mm
2Â mM
pH
X2
7
8
Incubation time
X3
3Â days
5Â days
Mycelial filtrate concentration
X4
10%
30%
Illumination
X5
Dark
Light