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In Vitro Bioactivity of AISI 316L Stainless Steel Coated with Hydroxyapatite-Seeded 58S Bioglass

Published online by Cambridge University Press:  07 October 2019

Jorge López-Cuevas Open the ORCID record for Jorge López-Cuevas [Opens in a new window] ,
Juan Carlos Rendón-Angeles ,
Juan Méndez-Nonell  and
Héctor Barrientos-Rodríguez
Jorge López-Cuevas*
Affiliation:
Cinvestav Unidad Saltillo, Calle Industria Metalúrgica No. 1062, Parque Industrial Saltillo - Ramos Arizpe, 25900, Ramos Arizpe, Coahuila, México.
Juan Carlos Rendón-Angeles
Affiliation:
Cinvestav Unidad Saltillo, Calle Industria Metalúrgica No. 1062, Parque Industrial Saltillo - Ramos Arizpe, 25900, Ramos Arizpe, Coahuila, México.
Juan Méndez-Nonell
Affiliation:
Cinvestav Unidad Saltillo, Calle Industria Metalúrgica No. 1062, Parque Industrial Saltillo - Ramos Arizpe, 25900, Ramos Arizpe, Coahuila, México.
Héctor Barrientos-Rodríguez
Affiliation:
3M México S.A. de C.V., Commercial Graphics, México.
*
*Author to whom any correspondence should be addressed (jorge.lopez@cinvestav.edu.mx.)
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Abstract

AISI 316L stainless steel substrates were coated with hydroxyapatite [HAp, Ca10(PO4)6(OH)2]-seeded 58S bioglass, and then their in vitro bioactivity was evaluated by soaking in a simulated body fluid (SBF). The bioglass was prepared via the sol-gel technique and nanometric HAp single crystals were obtained by hydrothermal synthesis. The coatings had bioglass/HAp weight ratios of 100/0, 90/10 or 80/20. The in vitro bioactivity tests were carried out under static conditions at 37 °C and pH = 7.25, for time periods ranging from 1 to 21 days. The results showed that the HAp-seeding significantly accelerates the formation of a HAp layer at the bioglass-coated steel surface during the bioactivity tests.

Keywords

biomaterialbiomedicalcoating
Type
Articles
Information
MRS Advances , Volume 4 , Issue 57-58: International Materials Research Congress XXVIII , 2019 , pp. 3133 - 3142
Copyright
Copyright © Materials Research Society 2019 

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References

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