eprintid: 76784 rev_number: 10 eprint_status: archive userid: 16805 dir: disk0/00/07/67/84 datestamp: 2013-03-25 11:25:20 lastmod: 2021-09-23 08:33:30 status_changed: 2013-03-25 11:25:20 type: article metadata_visibility: show creators_name: Costa Martínez, E. creators_name: Escobar Ivirico, J.L. creators_name: Muñoz Criado, I. creators_name: Gómez Ribelles, J.L. creators_name: Monleón Pradas, M. creators_name: Salmerón-Sánchez, M. creators_orcid: 0000-0002-8112-2100 title: Effect of poly(L-lactide) surface topography on the morphology of in vitro cultured human articular chondrocytes ispublished: pub divisions: 30303000 abstract: Human articular chondrocytes were cultured in vitro on poly(L-lactic) acid, PLLA, substrates. Influence of the surface topography on cell morphology was found. Different surface microtopographies were obtained on PLLA by crystallizing at 120 °C after nucleation treatments that include isothermal stages at temperatures just below (55 °C) and just above (75 °C) the glass transition temperature (T <sub>g</sub> = 65 °C). Isothermal crystallization from the melt gave rise to big spherulites (approx. 50 μm diameter) with approx. 1 μm depth. Crystallization after nucleation treatments results in smaller (approx. 5 μm)—difficult to distinguish—spherulites. Cell viability was excellent and not affected by the surface roughness. Cell population on the nucleated samples resembles the result of culture on the reference tissue culture polystyrene (TCPS). However, cells cultured on big spherulites (PLLA isothermally crystallized without nucleation treatment) show a peculiar morphology, with a more isolated disposition and growth oriented in a characteristic direction. date: 2007-08 date_type: published id_number: 10.1007/s10856-007-3038-1 uniqueid: glaseprints:2007-76784 published_online: 2007-05-05 issn_online: 1573-4838 scopus_impact: 11 scopus_cluster: 2-s2.0-34447120183 scopus_datestamp: 2013-10-26 09:27:50 wos_impact: 10 wos_cluster: WOS:000248226900020 wos_datestamp: 2013-05-21 22:55:01 full_text_status: none publication: Journal of Materials Science: Materials in Medicine volume: 18 number: 8 pagerange: 1627-1632 refereed: TRUE issn: 0957-4530 hoa_compliant: 305 hoa_date_pub: 2007-05-05 hoa_exclude: FALSE hoa_gold: FALSE citation: Costa Martínez, E., Escobar Ivirico, J.L., Muñoz Criado, I., Gómez Ribelles, J.L., Monleón Pradas, M. and Salmerón-Sánchez, M. (2007) Effect of poly(L-lactide) surface topography on the morphology of in vitro cultured human articular chondrocytes. Journal of Materials Science: Materials in Medicine , 18(8), pp. 1627-1632. (doi: 10.1007/s10856-007-3038-1 )