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|
| Type |
Poster Presentation |
| Area |
Physical Chemistry |
| Room No. |
Event Hall |
| Time |
4월 20일 (금요일) 11:00~12:30 |
| Code |
PHYS.P-133 |
| Subject |
Isotropic-to-nematic phase transition of concentrated DNA solutions confined in an array of nanoposts |
| Authors |
Kye Hyoung Kil, Jun Soo Kim*
Department of Chemistry and Nanoscience, Ewha Womans University, Korea
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| Abstract |
Liquid crystal phase of bulk DNA has been widely studied experimentally. Computational studies also confirmed the LC ordering of DNA solutions above a critical concentration. Researching on the phase transition in confined space became important in accordance with the advances in the synthesis of confined nanostructures, including nanoslit and nanopost. We present simulation evidences that variation in dimension of nanoscale structures such as an array of nanoposts greatly affect the phase transition of DNA solution, through Monte Carlo simulations with semiflexible chain model of DNA. Our model represents 150 base pairs of DNA and has a persistence length of 50nm. During this simulation, size of nanopost and distance between adjacent nanoposts are varied. Comparing with the bulk condition, phase transition shifted towards lower concentration of DNA when the size of nanopost increased and the distance between neighboring nanoposts decreased. |
| E-mail |
wannabefree@daum.net |
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121st General Meeting of the KCS