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Erschienen in: Tribology Letters 1/2014

01.07.2014 | Original Paper

Lubricating Medical Devices with Fullerene-Like Nanoparticles

verfasst von: Ohad Goldbart, Anastasia Sedova, Lena Yadgarov, Rita Rosentsveig, Dmitry Shumalinsky, Leonid Lobik, H. Daniel Wagner, Reshef Tenne

Erschienen in: Tribology Letters | Ausgabe 1/2014

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Abstract

In the present work, MoS2 nanoparticles with fullerene-like structure, and most particularly those doped with minute amounts of rhenium atoms, are used as additive to medical gels in order to facilitate their entry into constricted openings of soft material rings. This procedure is used to mimic the entry of endoscopes to constricted openings of the human body, like urethra, etc. It is shown that the Re-doped nanoparticles reduce the traction force used to retrieve the metallic lead of the endoscope from the soft ring by a factor close to three times with respect to the original gel. The mechanism of the mitigation of both friction and adhesion forces in these systems by the nanoparticles is discussed.

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Metadaten
Titel
Lubricating Medical Devices with Fullerene-Like Nanoparticles
verfasst von
Ohad Goldbart
Anastasia Sedova
Lena Yadgarov
Rita Rosentsveig
Dmitry Shumalinsky
Leonid Lobik
H. Daniel Wagner
Reshef Tenne
Publikationsdatum
01.07.2014
Verlag
Springer US
Erschienen in
Tribology Letters / Ausgabe 1/2014
Print ISSN: 1023-8883
Elektronische ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-014-0337-9

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