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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5907_Библиотеки_им_академика_М_И_Перельмана.pdf
124
Nano Physical Pharmaceutics of Inorganic Nanoparticles
Figure 4.1 Preparation of iron oxide nanoparticles.
preparation
method.
Preparation of Inorganic Nanoparticles
125
Polyol
preparation
method.
method
via organic
medium
decomposition.
pyrolysis
preparation
method.
126
Nano Physical Pharmaceutics of Inorganic Nanoparticles
4.3 Effects on Inorganic Nanoparticle
Formation
DG = DG
DG
DG
= gbN
DG
NkT ln S
g
b
N
k T S is the
Effects on Inorganic Nanoparticle Formation
127
C
C
4.3.1 Nucleation Mechanism of Inorganic Nanoparticles
128
Nano Physical Pharmaceutics of Inorganic Nanoparticles
C
4.3.2 Growth Mechanism of Inorganic Nanoparticles
Effects on Inorganic Nanoparticle Formation
129
4.3.3 Morphology Control Strategy
130
Nano Physical Pharmaceutics of Inorganic Nanoparticles
Figure 4.2 Nanoparticles with an evenly distributed parcle size generated
in dierent growth phases.
4.3.3.1 Control of nucleation rate
4.3.3.2 Control of growth phases
Effects on Inorganic Nanoparticle Formation
131
132
Nano Physical Pharmaceutics of Inorganic Nanoparticles
4.3.4 Dynamic Stability
4.3.4.1 Brownian motion
Effects on Inorganic Nanoparticle Formation
133
4.3.4.2 Sedimentation and sedimentation equilibrium
A
r
N N
xx
g
dx
N
RT ⋅ t
x
=
L
r
⋅
p
h
x
th,
R L is
is
the
the