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Deposition of silicon doped and pure hydrogenated amorphous carbon coatings on quartz crystal microbalance sensors for protein adsorption studiesKargl, Rupert ...In this study hydrogenated amorphous carbon films (a-C:H) and silicon doped hydrogenated amorphous carbon films (a-C:H:Si) with different hydrogen and silicon contents were deposited onto sensors of ... a quartz crystal microbalance with dissipation detection (QCM-D). The resulting films were investigated with regard to their structural and elemental compositions using Raman spectroscopy, elastic recoil detection analysis and Rutherford backscattering spectroscopy. Furthermore the surface free energy (SFE) of the films was determined using contact angle measurements. The polar part of SFE of the a-C:H:Si films was found to be adjustable by the silicon content in these films and increased by increasing amounts of silicon. Carbon films with a broad range of chemical composition showed similar structure and properties when deposited on QCM-D sensors as compared with the deposition on silicon wafers. Subsequently, the amorphous carbon coated QCM-D sensors were used to study the adsorption of human serum albumin. These QCM-D results were related to the surface properties of the films.Source: Thin solid films. - ISSN 0040-6090 (Vol. 520, iss. 1, 2011, str. 83-89)Type of material - article, component partPublish date - 2011Language - englishCOBISS.SI-ID - 15488534
Author
Kargl, Rupert |
Kahn, Markus |
Köstler, Stefan |
Reischl, Martin |
Doliška, Aleš |
Stana-Kleinschek, Karin |
Waldhauser, Wolfgang E. |
Ribitsch, Volker
Topics
biocompatibility |
protein adsorption |
surface energy |
amorphous carbon films |
biomaterial |
Raman spectroscopy |
human serum albumin |
quartz crystal microbalance
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Database name | Field | Year |
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Kargl, Rupert | 36303 |
Kahn, Markus | |
Köstler, Stefan | |
Reischl, Martin | |
Doliška, Aleš | 17577 |
Stana-Kleinschek, Karin | 07814 |
Waldhauser, Wolfgang E. | |
Ribitsch, Volker | 15077 |
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