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| 1 | Running-in friction of hip joint replacements can be significantly reduced:The effect of surface-textured acetabular cup显示文摘Hip joint replacements represent the most effective way of treatment for patients suffering from joint diseases.Despite the rapid improvement of implant materials over the last few decades,limited longevity associated with wear-related complications persists as the main drawback.Therefore,improved tribological perfor-mance is required in order to extend the service life of replacements.The effect of surface texturing of ultra-high molecular weight polyethylene(UHMWPE)acetabular cup was investigated in the present study.Unique tilling method was utilized for manufacturing the dimples with controlled diameter and depths on the contact surface of the cup.The experiments with four commercial femoral components and two model lubricants were realized.The main attention was paid to a coefficient of friction considering the differences between the original and the dimpled cups.Results showed remarkable lowering of friction,in general.Focusing on the simulated human synovial fluid,friction was reduced by 40%(alumina ceramic),38.8%(zirconia toughened ceramic),25.5%(metal),and 9.9%(oxinium).In addition,the dimples helped to keep the friction stable without fluctuations.To conclude,the paper brings a new insight into frictional behaviour of the hip replacements during running-in phase which is essential for overall implant lifespan.It is believed that proper surface texturing may rapidly improve the life quality of millions of patients and may lead to considerable financial savings. | David NECAS Hatsuhiko USAMI Tatsuya NIIMI Yoshinori SAWAE Ivan KRUPKA Martin HARTL | 2020 | Friction2020，8，6： | 2 |
| 2 | NOD2 mutations predict the risk for surgery in pediatric-onset Crohn’s disease显示文摘 | Martin Lacher Johanna Helmbrecht Sebastian Schroepf Sibylle Koletzko Antje Ballauff Martin Classen Holm Uhlig Jochen Hubertus Dominik Hartl Peter Lohse Dietrich von Schweinitz Roland Kappler | 2010 | Journal of Pediatric Surgery2010，，8： | 1 |
| 3 | Prevention of protein denaturation under heat stress by the chaperonin Hsp60 显示文摘 | MARTIN J HORWICH A L HARTL F U | 1992 | Science1992，258，5084： | 1 |
| 4 | Chaperone-assisted protein folding 显示文摘 | MARTIN J HARTL F U | 1997 | Curr Opin Struct Biol1997，7，： | 1 |
| 5 | Molecular chaperones in cellular protein folding 显示文摘 | HARTL F U MARTIN J | 1995 | Curr Opin Struct Biol1995，5，1： | 1 |
| 6 | Investigation of the tribological performance of ionic liquids in non-conformal EHL contacts under electric field activation显示文摘Real-time external alteration of the internal properties of lubricants is highly desirable in all mechanical systems. However, fabricating a suitable and effective smart lubricant is a long-lasting experimental process. In this study, the film thickness and frictional response of ionic liquid-lubricated non-conformal contacts to an electric field excitation under elastohydrodynamic conditions were examined. Film thickness was evaluated using a 'ball-on-disc' optical tribometer with an electric circuit. Friction tests were carried on a mini traction machine (MTM) tribometer with a 'ball-on-disc' rotation module and an electric circuit for contact area excitation. The results demonstrate that there is a difference in the behaviour of the ionic liquid during electric field excitation at the evaluated film thicknesses. The results of evaluated film thicknesses demonstrate that there is a difference in the behaviour of the ionic liquid during electric field excitation. Therefore, the ionic liquids could be a new basis for the smart lubrication of mechanical components. Moreover, the proposed experimental approach can be used to identify electrosensitive fluids. | Michal MICHALEC Petr SVOBODA Ivan KRUPKA Martin HARTL Aleksandar VENCL | 2020 | Friction2020，8，5： | 1 |
| 7 | Effect of graft steatosis on liver function and organ survival after liver transplantation显示文摘 | Martin K. Angele Markus Rentsch Wolfgang H. Hartl Benedikt Wittmann Christian Graeb Karl Walter Jauch Florian Loehe | 2008 | The American Journal of Surgery2008，，2： | 1 |
| 8 | Molecular chaperones in cellular protein folding显示文摘 | Hartl FU Martin J | 1996 | Nature1996，381，6583： | 1 |
| 9 | A symmetrical interaction of GroEL and GmES in atpase cycle of assisted protein folding 显示文摘 | Hayer-Hart M K Martin J Hartl F U | 1995 | Science1995，269，5225： | 1 |
| 10 | Mitochon- drial heat-shock protein hsp60 is essential for assembly of proteins imported into yeast mitochondria显示文摘 | CHENG M Y HARTL F U MARTIN J etal | 1989 | Nature1989，337，： | 1 |
| 11 | A multi-level pore-water sampler for permeable sediments显示文摘 | MARTIN J B HARTL K M CORBETT D R | 2003 | Journal of Sedimentary Research2003，73，1： | 1 |
| 12 | Synthesis and biological activity of 5-alkyl-6-(alkylsulfanyl)-or 5-alkyl-6-(arylsulfanyl)pyrazine-2-carboxamides and corresponding thioamides显示文摘 | Jana Krinková Martin Doleal Ji Hartl | 2002 | Ⅱ Farmaco2002，57，1： | 1 |
| 13 | Mitochondrial heat-shock protein hsp60 is essential for assembly of proteins imported into yeast mitochondria显示文摘 | CHENG M Y HARTL F U MARTIN J | 1989 | Nature1989，337，： | 1 |
| 14 | Prevention of protein denaturation under heat stress by the chaperonin Hsp60 显示文摘 | MARTIN J HORWICH A HARTL F | 1992 | Science1992，258，： | 1 |
| 15 | Chaperone-assisted protein folding 显示文摘 | Martin J and Hartl F U | 1997 | Current Opinion in Structural Biology1997，7，1： | 1 |
| 16 | Prophylactic Lymph Node Dissection for Papillary Thyroid Cancer Less Than 2 cm: Implications for Radioiodine Treatment显示文摘 | Stéphane Bonnet Dana Hartl Sophie Leboulleux Eric Baudin Jean D. Lumbroso Abir Al Ghuzlan Linda Chami Martin Schlumberger Jean Paul Travagli | 2009 | The Journal of Clinical Endocrinology & Metabolism2009，，4： | 1 |
| 17 | Molecular chaperones in cellular protein folding显示文摘 | HARTL F U MARTIN J | 1995 | Curr Opin Struct Biol1995，5，1： | 1 |
| 18 | A symmetrical interaction of GroEL and GroES in ATpase cycle of assisted protein folding 显示文摘 | Hayer-Hartl M K Martin J Hartl F U | 1995 | Science1995，269，5225： | 1 |
| 19 | Effect of real longitudinal surface roughness on lubrication film for- mation within line elastohydrodynamic contact 显示文摘 | Ivan Krupka Petr Sperka Martin Hartl | 2010 | Tribology International2010，43，12： | 1 |
| 20 | Strong predictors for alcohol recidivism after liver transplantation: Non-acceptance of the alcohol problem and abstinence of <3 months显示文摘 | Janine Hartl Marcus N. Scherer Martin Loss Andreas Schnitzbauer Stefan Farkas Lucia Baier Alexander Szecsey Juergen Schoelmerich Hans-Juergen Schlitt Gabriele I. Kirchner | 2011 | Scandinavian Journal of Gastroenterology2011，，10： | 1 |
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