Dehydrated samples were coated with gold particles for 4 min. The images were taken using SEM (Quanta-200, FEI Ltd., Eindhoven, The Netherlands) at an accelerating voltage of 10 kV. The micrographs were taken at 1200 magnification.
Dehydrated samples werecoated with gold particles for 4 min. The images were taken usingSEM (Quanta-200, FEI Ltd., Eindhoven, The Netherlands) at anaccelerating voltage of 10 kV. The micrographs were taken at1200 magnification.