Unusual Nature of Fingerprints and the Implications for Easy-to-Clean Coatings

Irrespective of the technology, we now rely on touch to interact with devices such as smart phones, tablet computers, and control panels. As a result, touch screen technologies are frequently in contact with body grease. Hence, surface deposition arises from localized inhomogeneous finger-derived co...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 32(2016), 2 vom: 19. Jan., Seite 619-25
1. Verfasser: Stoehr, Bastian (VerfasserIn)
Weitere Verfasser: McClure, Stuart, Höflich, Alexander, Al Kobaisi, Mohammad, Hall, Colin, Murphy, Peter J, Evans, Drew
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Fatty Acids Lipids Salts Water 059QF0KO0R
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520 |a Irrespective of the technology, we now rely on touch to interact with devices such as smart phones, tablet computers, and control panels. As a result, touch screen technologies are frequently in contact with body grease. Hence, surface deposition arises from localized inhomogeneous finger-derived contaminants adhering to a surface, impairing the visual/optical experience of the user. In this study, we examined the contamination itself in order to understand its static and dynamic behavior with respect to deposition and cleaning. A process for standardized deposition of fingerprints was developed. Artificial sebum was used in this process to enable reproducibility for quantitative analysis. Fingerprint contamination was shown to be hygroscopic and to possess temperature- and shear-dependent properties. These results have implications for the design of easily cleanable surfaces 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a McClure, Stuart  |e verfasserin  |4 aut 
700 1 |a Höflich, Alexander  |e verfasserin  |4 aut 
700 1 |a Al Kobaisi, Mohammad  |e verfasserin  |4 aut 
700 1 |a Hall, Colin  |e verfasserin  |4 aut 
700 1 |a Murphy, Peter J  |e verfasserin  |4 aut 
700 1 |a Evans, Drew  |e verfasserin  |4 aut 
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