Surface Correlation in A Nano-confined DNA Film

被引：1
|
作者：
Biswas, Nupur [1 ]
Chakraborty, Sreeja [2 ]
Datta, Alokmay [1 ]
Sarkar, Munna [2 ]
Mukhopadhyay, Mrinmay K. [1 ,3 ]
Bera, Mrinal K.
Seto, Hideki [4 ]
机构：
[1] Saha Inst Nucl Phys, Appl Mat Sci Div, 1-AF Bidhannagar, Kolkata 700064, India
[2] Saha Inst Nucl Phys, Div Chem Sci, Kolkata 700064, India
[3] Univ Chicago, Ctr Adv Radiat Sources, Chicago, IL 60637 USA
[4] High Energy Accelerator Org, Inst Mat Struct Sci, KENS & CMRC, Tsukuba, Ibaraki 3050801, Japan
来源：
SOLID STATE PHYSICS, PTS 1 AND 2 | 2012年 / 1447卷
关键词：
DNA; Thin films; Polyelectrolyte; X-ray scattering;
D O I：
10.1063/1.4709944
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Molecules of natural polyelectrolyte DNA, fully neutralized in brine water, show formation of well defined thin films under nano-confinement. The X-ray scattering studies reveal film thickness similar to 1.5 times of DNA chain width, indicating lateral entanglement whereas the film has self-affine correlation in plane when probing scale is small (with Atomic Force Microscopy) but when probed at large length scale (with diffuse X-ray scattering) they show liquid like correlation due to quasi-equilibrium condition.
引用
收藏
页码：189 / +
页数：2
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