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Ultraviolet–ozone surface cleaning of injection‐molded, thermoplastic microcantilevers
Author(s) -
Urwyler Prabitha,
Pascual Alfons,
Müller Bert,
Schift Helmut
Publication year - 2015
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.41922
Subject(s) - polymer , materials science , ultraviolet , differential scanning calorimetry , composite material , fourier transform infrared spectroscopy , sterilization (economics) , chemical engineering , nanotechnology , optoelectronics , physics , engineering , thermodynamics , monetary economics , economics , foreign exchange market , foreign exchange
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. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 41922.

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