Biomedical Engineering Reference
In-Depth Information
(3)
(2)
TEOS
TEP
0.22
µ
m
NH
3
(1)
(4)
CH
3
OH
H
2
O
NH
3
75
50°C
3h
100
ml
25
48 h
5 min
(6)
0.22
µ
m
(9)
(7)
(5)
0.10
µ
m
(8)
75
100
ml
25
200°C
24 h
40 min
FIGURE 15.1
Schematic representation of bioactive glass nanoparticles synthesis based on the St
¨
ber method: (1) Reaction
medium; (2) Alkoxide hydrolysis and condensation; (3) The formed sol; (4) BGNP filtration; (5) Addition of
calcium nitrate; (6) BGNP filtrations; (7) BGNP freeze drying; (8) Thermal treatment and (9) BGNP powder.
(A)
(B)
50 nm
50 nm
FIGURE 15.2
TEM images of bioactive glass nanoparticles. Images (A) and (B) show the difference between the particle sizes.
