Výsledky vyhledávání - "Christoph Stähli"

Akademický článek

The reactivity of α-tricalcium phosphate powders is affected by minute amounts of β-calcium pyrophosphate and by the synthesis temperature

Autor: Marc Bohner, Fabrizio Bigolin, Isabelle Bohner, Thomas Imwinkelried, Yassine Maazouz, Pascal Michel, Christoph Stähli, Yves Viecelli, Nicola Döbelin

Publikováno v: Open Ceramics, Vol 19, Iss , Pp 100647- (2024)

α-tricalcium phosphate (α-TCP) is the most widespread raw material for hydraulic calcium phosphate cements (CPCs). CPCs are widely used in bone repair due to their injectability, setting ability, and osteoconductivity. This study investigated the r

Externí odkaz: https://doaj.org/article/02f3d67fc2a043f5af9ada8144edd840

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Akademický článek

Continuous Polyol Synthesis of Metal and Metal Oxide Nanoparticles Using a Segmented Flow Tubular Reactor (SFTR)

Autor: Andrea Testino, Frank Pilger, Mattia Alberto Lucchini, Jose Enrico Q. Quinsaat, Christoph Stähli, Paul Bowen

Publikováno v: Molecules, Vol 20, Iss 6, Pp 10566-10581 (2015)

Over the last years a new type of tubular plug flow reactor, the segmented flow tubular reactor (SFTR), has proven its versatility and robustness through the water-based synthesis of precipitates as varied as CaCO3, BaTiO3, Mn(1−x)NixC2O4·2H2O, YB

Externí odkaz: https://doaj.org/article/15a4eaf3e6b6464a9ee437a474ef6f4e

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Influence of the Sintering Atmosphere on the Physico-Chemical Properties and the Osteoclastic Resorption of β-Tricalcium Phosphate Cylinders

Autor: Bastien Le Gars Santoni, Luzia Niggli, Silvia Dolder, Olivier Loeffel, Gabrielle Sblendorio, Yassine Maazouz, Duncan T.L. Alexander, Roman Heuberger, Christoph Stähli, Nicola Doebelin, Paul Bowen, Willy Hofstetter, Marc Bohner

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0461a44cc348df2f4769fec9941aa98
https://doi.org/10.2139/ssrn.4392525

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The Effects of Crystal Phase and Particle Morphology of Calcium Phosphates on Proliferation and Differentiation of Human Mesenchymal Stromal Cells

Autor: Jake E. Barralet, Daniel de Melo Pereira, Christoph Stähli, Clemens van Blitterswijk, Nicola Döbelin, Pamela Habibovic, Charlene Danoux

Publikováno v: Advanced Healthcare Materials, 5(14), 1775-1785. Wiley

Calcium phosphate (CaP) ceramics are extensively used for bone regeneration; however, their clinical performance is still considered inferior to that of patient's own bone. To improve the performance of CaP bone graft substitutes, it is important to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6a5c4b092a230b3ee3aeb5039212e64
https://doi.org/10.1002/adhm.201600184

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Hydrogen-substituted ß-tricalcium phosphate synthesized in organic media

Autor: Jürg Thüring, Christoph Stähli, Laetitia Galea, Nicola Döbelin, Marc Bohner, Solène Tadier

Publikováno v: Acta Crystallographica
Acta Crystallographica Section B: Structural Science Crystal Engineering and Materials, 72 (6)
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, International Union of Crystallography, 2016, 72 (6), pp.875-884. ⟨10.1107/S2052520616015675⟩

β-Tricalcium phosphate (β-TCP) platelets synthesized in ethylene glycol offer interesting geometries for nano-structured composite bone substitutes but were never crystallographically analyzed. In this study, powder X-ray diffraction and Rietveld r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8484f5fdc41a6685482cc17a85265e4
http://scripts.iucr.org/cgi-bin/paper?S2052520616015675

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In vitro response of mesenchymal stem cells to biomimetic hydroxyapatite substrates: A new strategy to assess the effect of ion exchange

Autor: Christoph Stähli, Maria-Pau Ginebra, Nicola Döbelin, Jordi Guillem-Marti, Joanna M. Sadowska, Montserrat Espanol

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
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Biomaterials can interact with cells directly, that is, by direct contact of the cells with the material surface, or indirectly, through soluble species that can be released to or uptaken from the surrounding fluids. However, it is difficult to chara

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec819f2944a78ebcd15dbc7166fcd5dc
https://pubmed.ncbi.nlm.nih.gov/29933107

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Aging Time and Temperature Effects on the Structure and Bioactivity of Gel-Derived 45S5 Glass-Ceramics

Autor: Aldo R. Boccaccini, Anastasiia Solodovnyk, Showan N. Nazhat, Christoph Stähli, Kai Zheng, Wei Li, Ourania-Menti Goudouri

Publikováno v: Journal of the American Ceramic Society. 98:30-38

Porous bioactive glass-ceramics based on the 45S5 Bioglass® composition were fabricated by an acid-catalyzed sol–gel method. The effects of aging time and temperature on the structure and in vitro bioactivity were investigated. Fourier-transform i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::544b519555f4ba85b8a87f693a70cca3
https://doi.org/10.1111/jace.13258

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Controlled Copper Ion Release from Phosphate-Based Glasses Improves Human Umbilical Vein Endothelial Cell Survival in a Reduced Nutrient Environment

Autor: Christoph Stähli, Showan N. Nazhat, Naser Muja

Publikováno v: Tissue Engineering Part A. 19:548-557

The success of tissue engineering is dependent on rapid scaffold vascularization after engraftment. Copper ions are well known to be angiogenic but exhibit cytotoxicity at elevated doses. The high sensitivity to copper concentration underlines the ne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41ea1d91d419a77c15bbf866ddf02ec2
https://doi.org/10.1089/ten.tea.2012.0223

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Three-dimensional endothelial cell morphogenesis under controlled ion release from copper-doped phosphate glass

Autor: Mark James-Bhasin, Christoph Stähli, Showan N. Nazhat

Publikováno v: Journal of controlled release : official journal of the Controlled Release Society. 200

Copper ions represent a promising angiogenic agent but are associated with cytotoxicity at elevated concentrations. Phosphate-based glasses (PGs) exhibit adjustable dissolution properties and allow for controlled ion release. This study examined the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f1542f127a02ef377e461d0cf77335b
https://pubmed.ncbi.nlm.nih.gov/25575746

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Effect of ion release from Cu-doped 45S5 Bioglass® on 3D endothelial cell morphogenesis

Autor: Mark James-Bhasin, Showan N. Nazhat, Alexander Hoppe, Aldo R. Boccaccini, Christoph Stähli

Publikováno v: Acta biomaterialia. 19

Both silicate-based bioactive glasses and copper ions have demonstrated angiogenic activity and therefore represent promising bioinorganic agents for the promotion of vascularization in tissue-engineered scaffolds. This study examined the effect of i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05ccfc7686ac193248cad6337e3b77cc
https://pubmed.ncbi.nlm.nih.gov/25770928

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