Effect of the chemical nature and length of spacer arms on the covalent grafting of fluorinated molecular probes at the surface of poly(ethylene terephthalate) membrane

被引：13

作者：

Biltresse, S ^{[1
]}

Descamps, D ^{[1
]}

Henneuse-Boxus, C ^{[1
]}

Marchand-Brynaert, J ^{[1
]}

机构：

[1] Catholic Univ Louvain, Unite Chim Organ & Med, B-1348 Louvain, Belgium

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2002年 / 40卷 / 06期

关键词：

poly(ethylene terephthalate); track-etched membrane; surface wet chemistry; surface-reactivity assay; fluorinated label; spacer arm; X-ray photoelectron spectroscopy; ESCA/XPS; membrane; interfaces;

D O I：

10.1002/pola.10156

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of fluorinated molecular probes were synthesized that are characterized by spacer arms of various lengths and polarities. Previous molecules (1, 2a, 2b, 2c, 3a, 3b) were covalently fixed on the surface of poly(ethlylene terephthalate) (PET) membranes via activated hydroxyl chain endings. X-ray photoelectron microscopic analysis of the grafted samples allowed us to quantify the PET surface reactivity; the results were within 40-50 pmol/cm(2) of fixed probes, independent of the length and hydrophilicity of the spacer arms. (C) 2002 Wiley Periodicals, Inc.

引用

页码：770 / 781

页数：12

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