

FOLLOWUS
a.Zhejiang Province Key Laboratory of Quantum Technology and Device, Department of Physics, Zhejiang University, Hangzhou 310027, China
b.Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
c.Department of Physics, Taizhou University, Taizhou 318000, China
luomengbo@zju.edu.cn
Received:13 March 2019,
Revised:2019-5-9,
Accepted:13 May 2019,
Online First:28 June 2019,
Published:2019-12
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Fu, Y.; Wu, F.; Huang, J. H.; Chen, Y. C.; Luo, M. B. Simulation study on the extension of semi-flexible polymer chains in cylindrical channel. Chinese J. Polym. Sci. 2019, 37, 1290–1297.
Yu Fu, Fan Wu, Jian-Hua Huang, et al. Simulation Study on the Extension of Semi-flexible Polymer Chains in Cylindrical Channel[J]. Chinese Journal of Polymer Science, 2019, 37(12): 1290-1297.
Fu, Y.; Wu, F.; Huang, J. H.; Chen, Y. C.; Luo, M. B. Simulation study on the extension of semi-flexible polymer chains in cylindrical channel. Chinese J. Polym. Sci. 2019, 37, 1290–1297. DOI: 10.1007/s10118-019-2291-3.
Yu Fu, Fan Wu, Jian-Hua Huang, et al. Simulation Study on the Extension of Semi-flexible Polymer Chains in Cylindrical Channel[J]. Chinese Journal of Polymer Science, 2019, 37(12): 1290-1297. DOI: 10.1007/s10118-019-2291-3.
The scaling relations among the mean end-to-end distance of polymer along the channel
<
R
||
>
the polymer length
N
and the effective diameter of channel
D
e
were investigated for flexible and semi-flexible polymer chains confined in long cylindrical channels. For the flexible polymer chain
scaling relation
<
R
||
>
~
ND
e
–0.7
was found in the classic de Gennes regime at
l
p
2
/
b
<
D
e
<
R
g
with
l
p
the persistence length
b
the bond length
and
R
g
the radius of gyration of polymer. For the semi-flexible polymer
<
R
||
>
~
ND
e
–1
in the transition regime
l
p
<
D
e
<
xl
p
(
x
>
1) and
<
R
||
>
~
D
e
–0.7
in the classic de Gennes regime at larger
D
e
>
xl
p
were observed. The simulation results revealed that the scaling relation in the transition regime was due to the rod-like behavior of the semi-flexible polymer in the small regime
l
p
<
D
e
<
xl
p
.
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