Simple method to isolate single polymer chains for the direct measurement of the desorption force

被引：59

作者：

Cui, SX ^{[1
]}

Liu, CJ ^{[1
]}

Zhang, X ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Key Lab Supramol Struct & Mat, Changchun 130023, Peoples R China

来源：

NANO LETTERS | 2003年 / 3卷 / 02期

关键词：

D O I：

10.1021/nl025892a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We propose a simple method to isolate polymer chains individually at the quartz surface by utilizing the defects in the self-assembled monolayers of organosilane. This method allows us to measure the desorption force of a single polyelectrolyte chain from a substrate directly.

引用

页码：245 / 248

页数：4

共 23 条

[21] Force spectroscopy study on poly(acrylamide) derivatives: Effects of substitutes and buffers on single-chain elasticity [J].

Wang, C ;

Shi, WQ ;

Zhang, WK ;

Zhang, X ;

Katsumoto, Y ;

Ozaki, Y .

NANO LETTERS, 2002, 2 (10) :1169-1172

[22] Chain length and concentration dependence of β-cyclodextrin ferrocene host guest complex rupture forces probed by dynamic force spectroscopy [J].

Zapotoczny, S ;

Auletta, T ;

de Jong, MR ;

Schönherr, H ;

Huskens, J ;

van Veggel, FCJM ;

Reinhoudt, DN ;

Vancso, GJ .

LANGMUIR, 2002, 18 (18) :6988-6994

[23] Desorption force of poly(4-vinylpyridine) layer assemblies from amino groups modified substrates [J].

Zhang, WK ;

Cui, SX ;

Fu, Y ;

Zhang, X .

JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (49) :12705-12708

← 1 2 3 →