Search Results - "Ylänen, H."

FTIR and XPS studies of bioactive silica based glasses by Serra, J., González, P., Liste, S., Serra, C., Chiussi, S., León, B., Pérez-Amor, M., Ylänen, H.O., Hupa, M.

“…Two techniques, infrared (IR) and X-ray induced photoelectron spectroscopies (XPS) were used to study a wide range of glasses in the system Na 2O–CaO–P 2O 5–K…”
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Influence of the non-bridging oxygen groups on the bioactivity of silicate glasses by Serra, J, González, P, Liste, S, Chiussi, S, León, B, Pérez-Amor, M, Ylänen, H O, Hupa, M

“…The effect of the composition and bonding configuration of the bioactive silica-based glasses on the initial stage in vitro bioactivity is presented…”
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The behaviour of selected yttrium containing bioactive glass microspheres in simulated body environments by Cacaina, D., Ylänen, H., Simon, S., Hupa, M.

“…The study aims at the manufacture and investigation of biodegradable glass microspheres incorporated with yttrium potentially useful for radionuclide therapy…”
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Silica-based bioactive glasses modulate expression of bone morphogenetic protein-2 mRNA in Saos-2 osteoblasts in vitro by Gao, Tiejun, Aro, Hannu T., Ylänen, Heimo, Vuorio, Eero

“…A chemical exchange of the silica gel layer forming on the surface of bioactive glasses is thought to be the principal reaction for bone–bioactive glass…”
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NADINE: new approaches to detecting breast cancer by sequential μm-wavelength imaging with the aid of novel frequency analysis techniques by Joro, R., Dastidar, P., Iivonen, V., Ylänen, H., Soimakallio, S.

“…The study focuses on 12 breasts of six breast cancer patients sequential µm-wavelength imaging, taken by two different 3-5 μm wavelength area indium antimony…”
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Characterisation of bioactive glass coatings on titanium substrates produced using a CO2 laser by Moritz, N, Vedel, E, Ylänen, H, Jokinen, M, Hupa, M, Yli-Urpo, A

“…Titanium and its alloys are widely used in load-bearing bioinert implants. Bioactive glasses (BAGs) form a chemical bond with bone, but they are not suitable…”
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Implants coated with bioactive glass by CO2-laser, an in vivo study by Moritz, N, Rossi, S, Vedel, E, Tirri, T, Ylänen, H, Aro, H, Närhi, T

“…Due to ageing of the population, the number of revision operations is expected to increase. Thus good fixation of medical implants is crucial for successful…”
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MAS-NMR support for Hench model in the case of bioactive glass microspheres by Simon, S., Cacaina, D., Vasilescu, M., Ylänen, H., Hupa, M.

“…The structural changes occurred in bioactive glass microspheres belonging to the system SiO 2 –Na 2 O–P 2 O 5 –CaO–K 2 O–MgO incorporating yttrium were…”
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Molecular biologic comparison of new bone formation and resorption on microrough and smooth bioactive glass microspheres by Itälä, A., Välimäki, V. V., Kiviranta, R., Ylänen, H. O., Hupa, M., Vuorio, E., Aro, H. T.

“…In a recent in vitro study, chemical microroughening of a bioactive glass surface was shown to enhance attachment of MG‐63 osteoblastic cells to glass. The…”
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Development and in vitro assessment of bioactive glass/polymer nanostructured composites with silver by Vulpoi, A, Simon, V, Ylänen, H, Simon, S

“…Two composites consisting of non-woven poly-96L/4D-lactide copolymer meshes and a bioactive glass containing silver and silver free were obtained in…”
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Preparation and complex characterization of silica holmium sol–gel monoliths by Cacaina, D., Areva, S., Laaksonen, H., Simon, S., Ylänen, H.

“…Amorphous, sol–gel derived SiO 2 are known to biocompatible and bioresorbable materials. Biodegradable and inert materials containing radioactive isotopes have…”
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Study of yttrium containing bioactive glasses behaviour in simulated body fluid by Cacaina, D, Ylänen, H, Hupa, M, Simon, S

“…The influence of yttrium oxide on the bioactivity of glasses in the system SiO(2)-Na(2)O-P(2)O(5)-CaO-B(2)O(3)-K(2)O-MgO was studied in a simulated body fluid…”
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The properties of biomimetically processed calcium phosphate on bioactive ceramics and their response on bone cells by Vaahtio, M, Peltola, T, Hentunen, T, Ylänen, H, Areva, S, Wolke, J, Salonen, J I

“…This study looks for grounds to alter the chemical composition (phosphate, calcium, silica and carbonate), dissolution properties, structure and nanotopography…”
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Characterization of microrough bioactive glass surface: Surface reactions and osteoblast responses in vitro by Itälä, A., Ylänen, H. O., Yrjans, J., Heino, T., Hentunen, T., Hupa, M., Aro, H. T.

“…The current study characterized the in vitro surface reactions of microroughened bioactive glasses and compared osteoblast cell responses between smooth and…”
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EPR study of gamma irradiated yttrium bioactive glasses and yttrium silica sol-gel microspheres by Cacaina, D, Ylanen, H, Udvar, D A, Simon, S

“…Silica bioactive glasses and sol-gel silica microspheres containing neutron activable yttrium were investigated as a potential material for internal…”
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Structural characterization of yttrium silica sol-gel microspheres by Cacaina, D, Turcu, R V F, Udvar, D A, Vaahtio, M, Ylanen, H, Simon, S

“…Sol-gel silica microspheres incorporating yttrium were prepared and structural investigated as possible carrier materials for the radiation inside the cancer…”
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Implants coated with bioactive glass by CO 2 -laser, an in vivo study by Moritz, N., Rossi, S, Vedel, E., Tirri, T., Ylänen, H., Aro, H., Närhi, T

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Characterisation of bioactive glass coatings on titanium substrates produced using a CO 2 laser by Moritz, N., Vedel, E., Ylänen, H., Jokinen, M., Hupa, M., Yli-Urpo, A.

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Biologic significance of surface microroughing in bone incorporation of porous bioactive glass implants by Itälä, Ari, Koort, Jyri, Ylänen, Heimo O., Hupa, Mikko, Aro, Hannu T.

“…A novel chemical etching method was recently developed to create a controlled microrough surface on porous bioactive glass implants. Our earlier in vitro…”
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Porous bioactive glass matrix in reconstruction of articular osteochondral defects by Ylänen, H O, Helminen, T, Helminen, A, Rantakokko, J, Karlsson, K H, Aro, H T

“…This study was carried out to investigate the use of porous bioactive glass implants in promotion of articular cartilage and subchondral bone repair in large…”
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