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Biodegradation of a magnesium alloy implant in the intercondylar femoral notch showed an appropriate response to the synovial membrane in a rabbit model in vivo

Ezechieli, Marco; Diekmann, Julia; Weizbauer, Andreas; Becher, Christoph; Willbold, Elmar; Helmecke, Patrick; Lucas, Arne; Schavan, Robert; Windhagen, Henning (London : SAGE Publications Ltd., 2014)

Degradable magnesium alloys are promising biomaterials for orthopedic applications. The aim of this study was to evaluate the potential effects on both the synovial membrane (synovialis) and the synovial fluid (synovia) ...
Comparative in vitro study and biomechanical testing of two different magnesium alloys

Weizbauer, Andreas; Modrejewski, Christian; Behrens, Sabine; Klein, Helmut; Helmecke, Patrick; Seitz, Jan-Marten; Windhagen, Henning; Möhwald, Kai; Reifenrath, Janin; Waizy, Hazibullah (London : SAGE Publications Ltd., 2014)

In this in vitro study, magnesium plates of ZEK100 and MgCa0.8 alloy similar to common titanium alloy osteosynthesis plates were investigated as degradable biomedical materials with a focus on primary stability. Immersion ...
Comparison of two pore sizes of LAE442 scaffolds and their effect on degradation and osseointegration behavior in the rabbit model

Augustin, Julia; Feichtner, Franziska; Waselau, Anja‐Christina; Julmi, Stefan; Klose, Christian; Wriggers, Peter; Maier, Hans Jürgen; Meyer‐Lindenberg, Andrea (Hoboken, NJ : Wiley, 2020)

The magnesium alloy LAE442 emerged as a possible bioresorbable bone substitute over a decade ago. In the present study, using the investment casting process, scaffolds of the Magnesium (Mg) alloy LAE442 with two different ...
Considerations about the effectiveness and cost effectiveness of therapies in the treatment of hyperphosphataemia

Plagemann, Thomas; Prenzler, Anne; Mittendorf, Thomas (Heidelberg : Springer Verlag, 2011)

Because of an elevated serum phosphate level, patients who suffer from chronic kidney failure frequently tend to have cardiovascular calcification and are therefore exposed to a higher probability of a fatal event. Phosphate ...
Constraints on the evolution of magmas from diffusion-driven chemical and Fe-Mg isotopic zoning in natural olivines analyzed by femtosecond-LA-ICP-MS

Oeser-Rabe, Martin Alexander (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2015)

[no abstract]
Diet-dependent net endogenous acid load of vegan diets in relation to food groups and bone health-related nutrients: Results from the German Vegan Study

Ströhle, Alexander; Waldmann, Annika; Koschizke, Jochen; Leitzmann, Claus; Hahn, Andreas (Basel : S. Karger AG, 2011)

Background/Aims:Dietary composition has been shown to affect acid-base homeostasis and bone health in humans. We investigated the potential renal acid load (PRAL) and the estimated diet-dependent net acid load (net endogenous ...
Effects of degradable Mg-Ca alloys on dendritic cell function

Feser, K.; Kietzmann, M.; Bäumer, W.; Krause, C.; Bach, F.W. (London : SAGE Publications Ltd., 2011)

Degradable magnesium alloys are new materials for implants used in orthopedic and trauma surgery. The aim of this study was to investigate the influence of degradable magnesium alloys on the function of dendritic cells ...
Evaluation of the soft tissue biocompatibility of MgCa0.8 and surgical steel 316L in vivo: A comparative study in rabbits

Erdmann, Nina; Bondarenko, Alexandr; Hewicker-Trautwein, Marion; Angrisani, Nina; Reifenrath, Janin; Lucas, Arne; Meyer-Lindenberg, Andrea (London : BioMed Central Ltd., 2010)

Background: Recent studies have shown the potential suitability of magnesium alloys as biodegradable implants. The aim of the present study was to compare the soft tissue biocompatibility of MgCa0.8 and commonly used ...
In vitro corrosion of ZEK100 plates in Hank's Balanced Salt Solution

Waizy, Hazibullah; Weizbauer, Andreas; Modrejewski, Christian; Witte, Frank; Windhagen, Henning; Lucas, Arne; Kieke, Marc D.K.; Denkena, Berend; Behrens, Peter; Meyer-Lindenberg, Andrea; Bach, Friedrich-Wilhelm; Thorey, Fritz (London : BioMed Central Ltd., 2012)

Background: In recent years magnesium alloys have been intensively investigated as potential resorbable materials with appropriate mechanical and corrosion properties. Particularly in orthopedic research magnesium is ...
In vivo testing of a bioabsorbable magnesium alloy serving as total ossicular replacement prostheses

Lensing, Rebecca; Behrens, Peter; Müller, Peter Paul; Lenarz, Thomas; Stieve, Martin (London : SAGE Publications Ltd., 2014)

Magnesium alloys have been investigated in different fields of medicine and represent a promising biomaterial for implants due to characteristics like bioabsorbability and osteoinduction. The objective of this study was ...
Influence of Cobalt on the Properties of Load-Sensitive Magnesium Alloys

Klose, Christian; Demminger, Christian; Mroz, Gregor; Reimche, Wilfried; Bach, Friedrich-Wilhelm; Maier, Hans Jürgen; Kerber, Kai (Basel : Mdpi Ag, 2013-01)

In this study, magnesium is alloyed with varying amounts of the ferromagnetic alloying element cobalt in order to obtain lightweight load-sensitive materials with sensory properties which allow an online-monitoring of ...
Influence of the grain size on the in vivo degradation behaviour of the magnesium alloy LAE442

Ullmann, Berit; Reifenrath, Janin; Seitz, Jan-Martin; Bormann, Dirk; Meyer-Lindenberg, Andrea (London : SAGE Publications Ltd., 2013)

The aim of this study was to investigate the differences in the in vivo degradation behaviour of magnesium implants with various grain sizes and damaged surfaces. For this purpose, three different LAE442 magnesium implants ...
Inorganic nanoparticles for functional coating applications

Waltz, Florian (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2012)

[no abstract]
Magnesium as a biomaterial and its biological interactions

Evertz, F.; Hauser, Hansjörg; Müller, P.P.; Kietzmann, Manfred; Maier, Hans Jürgen; Glasmacher, Birgit (Berlin : Walter de Gruyter, 2013-09-07)

To investigate different magnesium alloys as a biodegradable material for implants it is necessary to understand the degradation process in the biological environment. The following study shows interactions of pure magnesium ...
Magnesium bioavailability from mineral waters with different mineralization levels in comparison to bread and a supplement

Schneider, Inga; Greupner, Theresa; Hahn, Andreas (London : Taylor & Francis, 2017)

The aim of the present study was to compare the magnesium bioavailability from four mineral waters with different types of mineralization (e.g. SO 42- , HCO 3− , calcium) with the magnesium bioavailability from bread and ...
Material-inherent Data Storage Using Magnetic Magnesium-cobalt Alloys

Demminger, Christian; Klose, Christian; Taptimthong, Piriya; Maier, Hans Jürgen (Amsterdam : Elsevier, 2014)

Magnetic magnesium alloys have an inherent load-sensitive behavior. These alloys are manufactured by casting of magnesium alloyed with the ferromagnetic element cobalt. In this context, the magnetoelastic effect can be ...
Micronutrient status of recreational runners with vegetarian or non-vegetarian dietary patterns

Nebl, Josefine; Schuchardt, Jan Philipp; Ströhle, Alexander; Wasserfurth, Paulina; Haufe, Sven; Eigendorf, Julian; Tegtbur, Uwe; Hahn, Andreas (Basel : MDPI AG, 2019)

Vegetarian diets have gained popularity in sports. However, few data exist on the status of micronutrients and related biomarkers for vegetarian and vegan athletes. The aim of this cross-sectional study was to compare the ...
Microstructure and Magnetic Properties of Cobalt and Zinc Containing Magnesium Alloys

Demminger, Christian; Klose, Christian; Maier, Hans Jürgen (Amsterdam : Elsevier, 2016)

The magnetic properties of lightweight alloys based on magnesium and cobalt offer a novel way to measure mechanical loads throughout the entire structural component using the magnetoelastic effect. Since the solubility of ...
Small-sized magnesium cylinders influence subchondral bone quality in osteoarthritic rabbits an – in vivo pilot study

Angrisani, N.; Willumeit-Römer, R.; Windhagen, H.; Mavila Chathoth, B.; Scheper, V.; Wiese, B.; Helmholz, H.; Reifenrath, J. (Aberystwyth, Wales : Univ. of Wales, 2021)

No optimal therapy exists to stop or cure chondral degeneration in osteoarthritis (OA). While the pathogenesis is unclear, there is consensus on the etiological involvement of both articular cartilage and subchondral bone. ...
Sub-kilohertz optical spectroscopy with a time domain atom interferometer

Ruschewitz, F.; Peng, J.L.; Hinderthür, H.; Schaffrath, N.; Sengstock, K.; Ertmer, Wolfgang (American Physical Society, 1998)

We report on the sub-kilohertz optical spectroscopy on the 1S0-3P1 intercombination transition in magnesium at 457 nm. The spectroscopic signal is probed by a time domain atom interferometer. The realization of this time ...

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