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A novel shape memory plate osteosynthesis for noninvasive modulation of fixation stiffness in a rabbit tibia osteotomy model

Müller, Christian W.; Pfeifer, Ronny; Meier, Karen; Decker, Sebastian; Reifenrath, Janin; Gösling, Thomas; Wesling, Volker; Krettek, Christian; Hurschler, Christof; Krämer, Manuel (New York, NY : Hindawi Publishing Corporation, 2015)

Nickel-titanium shape memory alloy (NiTi-SMA) implants might allow modulating fracture healing, changing their stiffness through alteration of both elastic modulus and cross-sectional shape by employing the shape memory ...
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 ...
Dacron® vs. PTFE as bypass materials in peripheral vascular surgery - Systematic review and meta-analysis

Roll, Stephanie; Müller-Nordhorn, Jacqueline; Keil, Thomas; Scholz, Hans; Eidt, Daniela; Greiner, Wolfgang; Willich, Stefan N. (London : BioMed Central Ltd., 2008)

Background: In peripheral vascular bypass surgery different synthetic materials are available for bypass grafting. It is unclear which of the two commonly used materials, polytetrafluoroethylene (PTFE) or polyester (Dacron®) ...
Different cell populations are inducible by BMP-2 covalently covered Bioverit® II implants in rabbit subcutis and middle ear

Kuhnert, E.; Ehlert, Nina; Behrens, Peter; Gross, G.; Lenarz, Thomas; Stieve, Martin; Brandes, Gudrun (Berlin: Walter de Gruyter, 2013-09-07)

To optimize the function of implants the formation of surrounding connective tissue should be adapted in dependence to the mechanical conditions. Therefore, with nanostructured silica coated Bioverit® II implants were only ...
Dynamic in vitro hemocompatibility testing – improving the signal to noise ratio

Müller, Marc; Krolitzki, Benjamin; Glasmacher, Birgit (Berlin : Walter de Gruyter, 2012-08-27)

Assigning the hemocompatibility of small vascular implants is one of the great challenges in biomedical engineering. Due to the fact, that there are no widely approved test setups1, we decided to developed a modified ...
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 ...
Femtosecond laser fabricated spike structures for selective control of cellular behavior

Schlie, Sabrina; Fadeeva, Elena; Koch, Jürgen; Ngezahayo, Anaclet; Chichkov, Boris (London : SAGE Publications Ltd., 2010)

In this study we investigate the potential of femtosecond laser generated micrometer sized spike structures as functional surfaces for selective cell controlling. The spike dimensions as well as the average spike to spike ...
Free Bioverit® II implants coated with a nanoporous silica layer in a mouse ear model - A histological study

Vogt, Julia C.; Brandes, Gudrun; Ehlert, Nina; Behrens, Peter; Nolte, Ingo; Mueller, Peter P.; Lenarz, Thomas; Stieve, Martin (London : SAGE Publications Ltd., 2009)

The objective of this study is to evaluate the suitability of a mouse middle ear model for testing ossicular replacement materials. Twenty-four BALB/c mice are implanted with the bioglass-ceramic Bioverit® II which is ...
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 ...
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 ...
Mesoporous silica films as a novel biomaterial: Applications in the middle ear

Ehlert, Nina; Mueller, Peter P.; Stieve, Martin; Lenarz, Thomas; Behrens, Peter (Cambridge : Royal Society of Chemistry, 2013)

In this tutorial review we present the process of the development of functional implants using mesoporous silica. The different steps from chemical synthesis and physicochemical characterization followed by in vitro testing ...
Optimization of a test setup for examining blood damage caused by high shear forces

Kortlepel, Rieke; Krolitzki, Benjamin; Müller, Marc; Glasmacher, Birgit (Berlin : Walter de Gruyter, 2012-08-27)

If blood pumps are applied in the human body or extracorporeal, blood damage can be caused by shear forces that act on the blood during the delivery. For an accelerated development of blood pumps with help of simulations ...
Outer electrospun polycaprolactone shell induces massive foreign body reaction and impairs axonal regeneration through 3D multichannel chitosan nerve guides

Duda, Sven; Dreyer, Lutz; Behrens, Peter; Wienecke, Soenke; Chakradeo, Tanmay; Glasmacher, Birgit; Haastert-Talini, Kirsten (New York, NY : Hindawi Publishing Corporation, 2014)

We report on the performance of composite nerve grafts with an inner 3D multichannel porous chitosan core and an outer electrospun polycaprolactone shell. The inner chitosan core provided multiple guidance channels for ...
Synthesis and characterisation of Zr-fumarate MOF : a promising candidate for biomedical applications

Zahn, Gesa (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2015)

[no abstract]
Three-dimensional cell growth on structures fabricated from ORMOCER® by two-photon polymerization technique

Schlie, Sabrina; Ngezahayo, Anaclet; Ovsianikov, Aleksandr; Fabian, Tilman; Kolb, Hans-Albert; Haferkamp, Heinz; Chichkov, Boris (London : SAGE Publications Ltd., 2007)

Two-photon polymerization technique was applied to generate three-dimensional (3D) scaffold-like structures using the photosensitive organic-inorganic hybrid polymer ORMOCER®. The structures were studied with respect to ...

Now showing items 1-17 of 17

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