Bioactive Glass-Based Coatings and Modified Surfaces: Strategies for the Manufacture, Testing, and Clinical Applications for Regenerative Medicine - Biological and Biomedical Coatings: Processing and Characterization - page 423

(a) (b) (c)

1 µm 1 µm 1 µm

(e)

(d)

Si

O

C

Ca

P

Ca

1.00 2.00 3.00 4.00

100 nm

Energy (keV)

FIGURE 9.21
Bioactive glass fibers produced by electrospinning and heat treatment at 700ºC. (From Kim et al., Adv. Funct.
Mater. , 16(12), 1529-1535, 2006. With permission [64].) (a-c) SEM of nanofibers made from varying sol concentra-
tion (1, 0.5, and 0.25m, respectively). (d) TEM of nanofiber, where diameter has been measured to be approxi-
mately 84 nm. (e) EDS profile of a nanofiber.

(a)

Gas jet

(b)

Precursor
material

Molten
material

200 µm

Elongated
fluid filament

CACTI LEI 3.0 KV ×2.000 10 µm WD 152 mm

FIGURE 9.22
(a) Laser spinning fabrication of melt-derived bioactive glasses (45S5 composition and 52S4.6 composition).
(b) Left image shows the FESEM of as produced glass fibers; right image shows TEM of nanofiber with inset
SAED image showing amorphous structure. (From Quintero et al., Adv. Funct. Mater. , 19(19), 3084-3090, 2009.
With permission [65].)