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There is a need to improve such scaffolds' design and physical\u2013chemical nature. This work concerns surface functionalization of polymeric braids (PET and PLA) that fulfill the high mechanical demands of tissues such as tendons. The functionalization aims to incorporate amine groups in the braids' surface, improve cell adhesion, and consequently, the poor healing rate of these tissues and the biointegration of the braids. Two approaches are compared: the direct application of NH<jats:sub>3<\/jats:sub> plasma and the surface grafting of EDA after O<jats:sub>2<\/jats:sub> plasma activation. X\u2010ray photoelectron spectroscopy (XPS) shows that amine groups are effectively introduced onto the samples' surfaces. Besides, the plasma parameters chosen do not compromise the topography and tensile behavior of the braids. Resazurin assay and scanning electron microscopy show that the NH<jats:sub>3<\/jats:sub> treatment improves cell\u2013biomaterial interaction as improved cell adhesion and proliferation are observed. Both approaches are safe for biomedical applications. The NH<jats:sub>3<\/jats:sub> plasma approach is more environmentally friendly, faster, and easier to scale\u2010up, showing potential for application in the final hybrid medical device.<\/jats:p>","DOI":"10.1002\/mame.202200426","type":"journal-article","created":{"date-parts":[[2022,10,27]],"date-time":"2022-10-27T02:39:47Z","timestamp":1666838387000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Amination of Polymeric Braid Structures to Improve Tendon Healing: An Experimental Comparison"],"prefix":"10.1002","volume":"308","author":[{"given":"T\u00e2nia","family":"Peixoto","sequence":"first","affiliation":[{"name":"REQUIMTE\u2010LAQV, Departamento de Engenharia Metal\u00fargica e Materiais, Faculdade de Engenharia Universidade do Porto  Rua Dr. Roberto Frias Porto 4200\u2010465 Portugal"},{"name":"Instituto de Pol\u00edmeros e Comp\u00f3sitos, Departamento de Engenharia de Pol\u00edmeros Universidade do Minho  Guimar\u00e3es 4800\u2010058 Portugal"}]},{"given":"Daniel","family":"Silva","sequence":"additional","affiliation":[{"name":"REQUIMTE\u2010LAQV, Departamento de Engenharia Metal\u00fargica e Materiais, Faculdade de Engenharia Universidade do Porto  Rua Dr. Roberto Frias Porto 4200\u2010465 Portugal"}]},{"given":"Miguel","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"REQUIMTE\u2010LAQV, Departamento de Engenharia Metal\u00fargica e Materiais, Faculdade de Engenharia Universidade do Porto  Rua Dr. Roberto Frias Porto 4200\u2010465 Portugal"}]},{"given":"Miguel","family":"Neto","sequence":"additional","affiliation":[{"name":"CICECO, Departamento de Engenharia de Materiais e Cer\u00e2mica Universidade de Aveiro  Aveiro 3810\u2010193 Portugal"}]},{"given":"Rui","family":"Silva","sequence":"additional","affiliation":[{"name":"CICECO, Departamento de Engenharia de Materiais e Cer\u00e2mica Universidade de Aveiro  Aveiro 3810\u2010193 Portugal"}]},{"given":"Maria C.","family":"Paiva","sequence":"additional","affiliation":[{"name":"Instituto de Pol\u00edmeros e Comp\u00f3sitos, Departamento de Engenharia de Pol\u00edmeros Universidade do Minho  Guimar\u00e3es 4800\u2010058 Portugal"}]},{"given":"Liliana","family":"Grenho","sequence":"additional","affiliation":[{"name":"Laboratory for Bone Metabolism and Regeneration, Faculdade de Medicina Dent\u00e1ria Universidade do Porto  Rua Dr. Manuel Pereira da Silva Porto 4200\u2010393 Portugal"},{"name":"LAQV\/REQUIMTE Universidade do Porto  Porto 4160\u2010007 Portugal"}]},{"given":"Maria Helena","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Laboratory for Bone Metabolism and Regeneration, Faculdade de Medicina Dent\u00e1ria Universidade do Porto  Rua Dr. Manuel Pereira da Silva Porto 4200\u2010393 Portugal"},{"name":"LAQV\/REQUIMTE Universidade do Porto  Porto 4160\u2010007 Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4105-8148","authenticated-orcid":false,"given":"Maria A.","family":"Lopes","sequence":"additional","affiliation":[{"name":"REQUIMTE\u2010LAQV, Departamento de Engenharia Metal\u00fargica e Materiais, Faculdade de Engenharia Universidade do Porto  Rua Dr. Roberto Frias Porto 4200\u2010465 Portugal"}]}],"member":"311","published-online":{"date-parts":[[2022,10,26]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.actbio.2021.05.043"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym14050867"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/pharmaceutics13010089"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1155\/2021\/1488829"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201904511"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.3390\/fib10030023"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-08-102192-7.00012-6"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/app.52013"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/pat.5693"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10439-015-1369-5"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10439-015-1455-8"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-19962-3_25"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12551-017-0327-x"},{"key":"e_1_2_8_14_1","first-page":"291","author":"Shirvan A. 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