6 The Dynamics of Water Molecules Confined in the Interior of DMPC. . .
95
280K
600
500
400
300
200
100
0
0
50
100
150
200
250
290K
300K
310K
320K
t [ps]
< ∆r 2
(t ) > [Å 2
]
Fig. 6.5 The mean square displacement
→
r (t)
2
of the center of mass of water molecule in
bulk sample
0.0031
0.0032
0.0033
1/T [1/K ]
l n (D /D
0 )
0.0034
0.0035
0.0036
confined water (micelle DMPC 58)
–4.2
–4.4
–4.6
–4.8
–5.0
–5.2
–5.4
Fig. 6.6 Thermal activation (Arrhenius plot) of the translational diffusion of water molecules
confined in revers micelle formed from 58 DMPC molecules
95
280K
600
500
400
300
200
100
0
0
50
100
150
200
250
290K
300K
310K
320K
t [ps]
< ∆r 2
(t ) > [Å 2
]
Fig. 6.5 The mean square displacement
→
r (t)
2
of the center of mass of water molecule in
bulk sample
0.0031
0.0032
0.0033
1/T [1/K ]
l n (D /D
0 )
0.0034
0.0035
0.0036
confined water (micelle DMPC 58)
–4.2
–4.4
–4.6
–4.8
–5.0
–5.2
–5.4
Fig. 6.6 Thermal activation (Arrhenius plot) of the translational diffusion of water molecules
confined in revers micelle formed from 58 DMPC molecules