Ultraviolet-ozone surface cleaning of injection-molded, thermoplastic microcantilevers

被引：2

作者：

Urwyler, Prabitha ^{[1
,2
,3
]}

Pascual, Alfons ^{[4
]}

Mueller, Bert ^{[1
]}

Schift, Helmut ^{[2
,5
]}

机构：

[1] Univ Basel, Univ Hosp, Biomat Sci Ctr, CH-4031 Basel, Switzerland

[2] Paul Scherrer Inst, Lab Micro & Nanotechnol, CH-5232 Villigen, Switzerland

[3] Univ Bern, Gerontechnol & Rehabil Grp, CH-3010 Bern, Switzerland

[4] Univ Appl Sci UAS Northwestern Switzerland, Inst Polymer Engn, CH-5210 Windisch, Switzerland

[5] UAS Northwestern Switzerland, Inst Polymer Nanotechnol, CH-5210 Windisch, Switzerland

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2015年 / 132卷 / 18期

关键词：

biomedical applications; degradation; irradiation; nanostructured polymers; thermoplastics; PLASMA; UV; STERILIZATION; DEGRADATION; MICROSCOPY; RADIATION; DEVICES;

D O I：

10.1002/app.41922

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Ultraviolet-ozone (UVO) is used for the cleaning of labware from organic contamination and includes sterilization, surface roughening, and activation. A range of polymers has been treated without major effects on surface topography and surface chemistry. Even for those, which are subject to physical and chemical aging, a trade-off between damages and surface cleaning was often found. This communication presents a comprehensive overview on how to UVO-treat selected polymers known from applications in biology and medicine, in particular microcantilevers used for biosensing. The study provides well-defined thresholds below which degradation and surface damages are avoided. The impact of UVO treatments on the surface and bulk properties of the injection-molded polymers was examined by means of differential scanning calorimetry and Fourier transform infrared spectroscopy measurements. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41922.

引用

页数：9

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