Self-reinforced composites of bioabsorbable polymer and bioactive glass with different bioactive glass contents. Part I: Initial mechanical properties and bioactivity

Autor: Tiiu Niemelä, Minna Kellomäki, Pertti Törmälä, Henna Niiranen

Publikováno v: Acta Biomaterialia. 1:235-242

Spherical bioactive glass 13-93 particles, with a particle size distribution of 50-125 microm, were combined with bioabsorbable poly-L,DL-lactide 70/30 using twin-screw extrusion. The composite rods containing 0, 20, 30, 40 and 50 wt% of bioactive gl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c29a2bd8ecc15b09c5cd11689509729c
https://doi.org/10.1016/j.actbio.2004.11.002

In vitroandin vivobehavior of self-reinforced bioabsorbable polymer and self-reinforced bioabsorbable polymer/bioactive glass composites

Autor: Pertti Törmälä, Henna Niiranen, Pentti Rokkanen, Tuomo Pyhältö, Minna Kellomäki

Publikováno v: Journal of Biomedical Materials Research Part A. :699-708

The aim of this study was to investigate the in vitro and in vivo properties and degradation of (1) self-reinforced (SR) lactide copolymer, P(L/DL)LA 70:30, and (2) SR composites of the same polylactide and bioactive glass 13-93. The following three

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f69c24e9e30ffe532820fd7549c540dd
https://doi.org/10.1002/jbm.a.30043

Bioactive Glass 13-93/P(L/DL)LA Composites in Vitro and in Vivo

Autor: Henna Niiranen, Tuomo Pyhältö, Pertti Törmälä, Penti Rokkanen, T. Paatola

Publikováno v: Key Engineering Materials. :721-724

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2b7399c3205a8420b25e3604f75f57e
https://doi.org/10.4028/www.scientific.net/kem.192-195.721

Nano-, pico-and femtosecond laser machining of bioabsorbable polymers and biomedical composites

Autor: Petri Laakso, Gareth Williams, Claire O'Connell, Minna Kellomäki, Ville Ellä, Assi Huttunen, Richard Sherlock, Mikko J. Huttunen, Henna Niiranen

Publikováno v: Scopus-Elsevier
Huttunen, A, Laakso, P, O'Connell, C, Williams, G, Huttunen, M, Niiranen, H, Ellä, V, Sherlock, R & Kellomäki, M 2008, Nano-, Pico-and femtosecond laser machining of bioabsorbable polymers and biomedical composites . in Proceedings : 27th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2008 . Laser Institute of America, pp. 415-420, 27th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2008, Temecula, CA, United States, 20/10/08 .
CIÊNCIAVITAE

In this work, bioabsorbable polymers and biomedical composites were machined with three different lasers. Laser micromachining of grooves were studied using nanosecond, picosecond, and femtosecond lasers. Profile measurements, topography, surface rou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24c0ad0eef5fa98e812ca31bf27e1565
https://doi.org/10.2351/1.5061357

Characterization of human primary osteoblast response on bioactive glass (BaG 13-93)- coated poly-L,DL-lactide (SR-PLA70) surface in vitro

Autor: Pertti Törmälä, Henna Niiranen, Yrjö T. Konttinen, P. Ruuttila, Mika Hukkanen, Minna Kellomäki

Publikováno v: Journal of biomedical materials research. Part B, Applied biomaterials. 78(1)

Bioabsorbable polylactide-based polymers are commonly used for bone reconstruction. Although these polymers have proven successful in many applications, they do not have the capacity to induce osteoconduction. Therefore, several strategies have been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77ec677140c4beb03975225203493de1
https://pubmed.ncbi.nlm.nih.gov/16292763