Single xanthan molecule preparation and atomic force microscopy observation

WANG Huabin1; 5 AN Hongjie2 YANG Haijun1; 5 WANG Peng1; 5 SUN Jielin4 ZHANG Yi1 LIU Zhongdong3 HU Jun1; 4 1

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Single xanthan molecule preparation and atomic force microscopy observation

更新时间：2021-03-12

- Single xanthan molecule preparation and atomic force microscopy observation
- NUCLEAR TECHNIQUES Vol. 31, Issue 12, (2008)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所,单分子探测与操纵实验室
  2. 中国科学院研究生院
  3. 天津科技大学食品工程与生物技术学院
  4. 河南工业大学粮油食品学院
  5. 上海交通大学生命科学技术学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(60575029);国家863项目(2006AA04Z309);国家重大科学研究计划(2007CB936000)资助
- DOI：
  CLC： Q53-3
- Published：01 December 2008
- 稿件说明：
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[1]王化斌,安红杰,杨海军,王鹏,刘钟栋,孙洁林,张益,胡钧.单个黄原胶分子的样品制备与原子力显微镜检测[J].核技术,2008,31(12):951-954.

WANG Huabin1, 5 AN Hongjie2 YANG Haijun1, 5 WANG Peng1, et al. Single xanthan molecule preparation and atomic force microscopy observation[J]. Nuclear techniques, 2008, 31(12): 951-954.
[1]王化斌,安红杰,杨海军,王鹏,刘钟栋,孙洁林,张益,胡钧.单个黄原胶分子的样品制备与原子力显微镜检测[J].核技术,2008,31(12):951-954. DOI：

WANG Huabin1, 5 AN Hongjie2 YANG Haijun1, 5 WANG Peng1, et al. Single xanthan molecule preparation and atomic force microscopy observation[J]. Nuclear techniques, 2008, 31(12): 951-954. DOI：

摘要

本文发展了一种新的黄原胶分子样品制备方法——多步旋涂法

并采用此方法在4种原子力显微镜研究中常用的衬底（裸云母、3-氨丙基三已氧基硅烷处理的云母、镍离子处理的云母和高序热解石墨）上制备了分散的单个黄原胶分子。利用原子力显微镜对单个黄原胶分子高度的检测和分析结果显示衬底的电学特性和亲疏水性质对黄原胶分子的形貌有显著影响。

Abstract

A newly developed sample preparation technique termed multi-step spin-coating method was used to prepare well-dispersed xanthan molecules on bare mica

3-aminopropyl triethoxysilane treated mica

nickel ion treated mica and highly oriented pyrolytic graphite

which are widely used as supporting surfaces in the atomic force microscopy (AFM) study. The substrate effects on conformation of single xanthan molecules were also investigated. We believe that this study is of great importance for the in-depth studies on xanthan molecules at the single-molecular level.

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Shanghai Institute of Nuclear Research, Chinese Academy of Science

中国科学院上海原子核研究所

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