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

页码：189 / +

页数：2

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