Добавил:
Sekretar
kiopkiopkiop18@yandex.ru
t.me/Prokururor I Вовсе не секретарь, но почту проверяю
Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз:
Предмет:
Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5386_Библиотеки_им_академика_М_И_Перельмана.pdf
134
Nano Physical Pharmaceutics of Inorganic Nanoparticles
Ndx ×
pr r − r g
A
Ad
cRT c
−Ad
=− ARTdc =− ART
dN
L
RT ln
=−p
r
r − r
−x
N
gLx
N
4.3.4.3 Interparticle interactions
Effects on Inorganic Nanoparticle Formation
135
Va
Vr
Va Vr
136
Nano Physical Pharmaceutics of Inorganic Nanoparticles
4.3.5 Thermodynamic Stability
particles in an electrolyte solution as described by DLVO theory. Cited from
reference [34] in Chapter 1.
Effects on Inorganic Nanoparticle Formation
137
4.3.5.1 Electrical double layer theory and zeta potential
Figure 4.4 Schematic of the electrical double layer formed in aqueous solution.
138
Nano Physical Pharmaceutics of Inorganic Nanoparticles
4.3.5.2 Electrolyte
The z
j j
z
z
Effects on Inorganic Nanoparticle Formation
139
> C
> K > Na
> Cl
140
Nano Physical Pharmaceutics of Inorganic Nanoparticles
4.3.5.3 DLVO theory
Effects on Inorganic Nanoparticle Formation
141
Va Vr
H
r
Va
va =−
Ar
H
A
v
H
v ≈ kr j
−kH
r e
k is a constant, e
j
H
C
V
= k
r
p(−k
C
)
C k
C
V
r
k
142
Nano Physical Pharmaceutics of Inorganic Nanoparticles
r
j
r
v = va vr
dv
=, v =
dH
The concentration C
is the concentration when v
C k
=⋅
g
Az
C k
is the constant, A γ
A
γ
z
C 1/z6
4.3.5.4 Stability in aqueous system
Effects on Inorganic Nanoparticle Formation
143
k
A
AD C −C
k =
L
D
L C C
s