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Chemo-mechanical characterization of hydrated calcium-hydrosilicates with coupled Raman- and nanoindentation measurements

Stemmermann, P.; Garbev, K.; Gasharova, B.; Beuchle, G.; Haist, M.; Divoux, T. (Amsterdam [u.a.] : Elsevier Science, 2020)

Celitement is a new type of cement that is based on hydraulic calcium-hydrosilicate (hCHS). It is produced by mechanochemical activation of Calcium-Silicate-Hydrates (C-S-H) in a grinding process. Due to the lack of typical ...
Colloidal pathways of amorphous calcium carbonate formation lead to distinct water environments and conductivity

Gindele, Maxim B.; Vinod-Kumar, Sanjay; Rochau, Johannes; Boemke, Daniel; Groß, Eduard; Redrouthu, Venkata SubbaRao; Gebauer, Denis; Mathies, Guinevere ([London] : Nature Publishing Group UK, 2024)

CaCO3 is the most abundant biomineral and a major constituent of incrustations arising from water hardness. Polycarboxylates play key roles in controlling mineralization. Herein, we present an analytical and spectroscopic ...
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 ...
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 ...
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 ...
Fast dynamics of H2O in hydrous aluminosilicate glasses studied with quasielastic neutron scattering

Indris, Sylvio; Heitjans, Paul; Behrens, Harald; Zorn, Reiner; Frick, Bernhard (College Park, MD : American Physical Society, 2005)

We studied the dynamics of dissolved water in aluminosilicate glasses with the compositions NaAlSi3O8⋅0.3H2O, NaAlSi3O8⋅1.3H2O and Ca0.5AlSi3O8⋅1.3H2O using quasielastic neutron scattering. As shown by near-infrared ...
Immiscible hydrous Fe-Ca-P melt and the origin of iron oxide-apatite ore deposits

Hou, Tong; Charlier, Bernard; Holtz, Francois; Veksler, Ilya; Zhang, Zhaochong; Thomas, Rainer; Namur, Olivier (London : Springer Nature, 2018)

The origin of iron oxide-apatite deposits is controversial. Silicate liquid immiscibility and separation of an iron-rich melt has been invoked, but Fe-Ca-P-rich and Si-poor melts similar in composition to the ore have never ...
Link between photoassociation and optical Feshbach resonances through the example of calcium

Kahmann, Max Georg Günther (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2014)

[no abstract]
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 ...
Osteogenic differentiation of human mesenchymal stem cells in 3-D Zr-Si organic-inorganic scaffolds produced by two-photon polymerization technique

Koroleva, Anastasia; Deiwick, Andrea; Nguyen, Alexander; Schlie-Wolter, Sabrina; Narayan, Roger; Timashev, Peter; Popov, Vladimir; Bagratashvili, Victor N.; Chichkov, Boris (San Francisco, CA : Public Library of Science, 2015)

Two-photon polymerization (2PP) is applied for the fabrication of 3-D Zr-Si scaffolds for bone tissue engineering. Zr-Si scaffolds with 150, 200, and 250 μm pore sizes are seeded with human bone marrow stem cells (hBMSCs) ...
Three Reasons Why Aspartic Acid and Glutamic Acid Sequences Have a Surprisingly Different Influence on Mineralization

Lemke, Tobias; Edte, Moritz; Gebauer, Denis; Peter, Christine (Washington, DC : Americal Chemical Society, 2021)

Understanding the role of polymers rich in aspartic acid (Asp) and glutamic acid (Glu) is the key to gaining precise control over mineralization processes. Despite their chemical similarity, experiments revealed a surprisingly ...

Now showing items 1-13 of 13

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