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Influence of fabrication parameters on cellular microarrays for stem cell studies Rodríguez-Seguí, S.A. Pla-Roca, M. Engel López, Elisabeth Planell Estany, Josep Anton Martínez, E. Samitier Martí, Josep Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica Institut de Bioenginyeria de Catalunya Universitat Politècnica de Catalunya. BBT - Biomaterials, Biomecànica i Enginyeria de Teixits Àrees temàtiques de la UPC::Enginyeria dels materials DNA microarrays Microxips d'ADN Cèl·lules Lately there has been an increasing interest in the development of tools that enable the high throughput analysis of combinations of surface-immobilized signaling factors and which examine their effect on stem cell biology and differentiation. These surface-immobilized factors function as artificial microenvironments that can be ordered in a microarray format. These microarrays could be useful for applications such as the study of stem cell biology to get a deeper understanding of their differentia- tion process. Here, the evaluation of several key process parameters affecting the cellular microarray fabrication is reported in terms of its effects on the mesenchymal stem cell culture time on these microarrays. Substrate and pro- tein solution requirements, passivation strategies and cell culture conditions are investigated. The results described in this article serve as a basis for the future development of cellular microarrays aiming to provide a deeper under- standing of the stem cell differentiation process. Peer Reviewed Postprint (published version) 2009 Article Rodríguez-Seguí, S. [et al.]. Influence of fabrication parameters on cellular microarrays for stem cell studies. "Journal of materials science. Materials in medicine", 2009, vol. 20, núm. 7, p. 1525-1533. 0957-4530 https://hdl.handle.net/2117/26641 10.1007/s10856-009-3716-2 eng http://creativecommons.org/licenses/by-nc-nd/3.0/es/ Restricted access - publisher's policy Attribution-NonCommercial-NoDerivs 3.0 Spain 9 p. application/pdf