Bioinspired Photo-Cross-Linked Nanofibers from Uracil-Functionalized Polymers

被引：21

作者：

Wang, Yeh-Sheng ^{[1
]}

Cheng, Chih-Chia ^{[1
]}

Ye, Yun-Sheng ^{[1
]}

Yen, Ying-Chieh ^{[1
]}

Chang, Feng-Chih ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Inst Appl Chem, Hsinchu 300, Taiwan

来源：

ACS MACRO LETTERS | 2012年 / 1卷 / 01期

关键词：

THYMINE MOIETIES; DNA-LIKE; FIBERS; RAMAN; RECOGNITION; POLYMERIZATION; FABRICATION; COPOLYMERS; MORPHOLOGY; BEHAVIOR;

D O I：

10.1021/mz200009x

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this study, we used electrospinning to fabricate nucleobase-functionalized and photo-cross-linkable poly[1-(4-vinylbenzyl uracil)] (PVBU) nanofibers. PVBU of high-molecular-weight (M-n > 250 550 g/mol) possessed a high thermal stability and sufficient chain entanglement to produce uniform fibers without forming beads. These uracil-functionalized nanofibers were further photo-cross-linked through exposure to UV light at a wavelength of 254 nm. After immersing in N,N-dimethylacetamide, the pristine PVBU fibers dissolved, while the cross-linked PVBU fibers maintained their shape; thus, the cross-linked PVBU nanofibers exhibited good dimensional stability and improved solvent resistance.

引用

页码：159 / 162

页数：4

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