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Open AccessArticle

Biocompatible Ag/Fe-Enhanced TiO2 Nanoparticles as an Effective Compound in Sunscreens

1
Faculty of Applied Chemistry and Materials Science, Department of Science and Engineering of Oxide, Materials and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania
2
National Centre for Micro and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania
3
Faculty of Veterinary Medicine, Department of Biochemistry, University of Agronomic Science and Veterinary Medicine, 011464 Bucharest, Romania
*
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(3), 570; https://doi.org/10.3390/nano10030570 (registering DOI)
Received: 5 March 2020 / Revised: 17 March 2020 / Accepted: 20 March 2020 / Published: 21 March 2020
(This article belongs to the Special Issue Structure, Synthesis and Applications of TiO2-Based Nanomaterials )
In this work, valuable biocompatible Ag/Fe-enhanced TiO2 nanoparticles are comparatively prepared by a conventional wet chemistry method (sol-gel) and a rapid, efficient, hybrid unconventional method (microwave-assisted hydrothermal synthesis). In order to establish their application as effective compounds in sunscreens, the obtained powders were first structurally and morphologically characterized, analyses from which their nanodimensional character, crystalline structure and thermal behavior were highlighted. The evaluation of sunscreen effectiveness is based on the determination of the sun protection factor (SPF). It was observed that silver enhancing increases the SPF significantly, especially when compared to the pristine samples. The obtained Ag/Fe-enhanced TiO2 powders were also evaluated from the point of view of their biocompatibility on amniotic fluid stem cells, and the results indicated an enhance of cell proliferation when exposed to the synthesized nanostructures. View Full-Text
Keywords: Ag/Fe-enhanced TiO2 powders; sunscreens; UV protection; sol-gel synthesis; microwave-assisted hydrothermal synthesis; sun protection factor Ag/Fe-enhanced TiO2 powders; sunscreens; UV protection; sol-gel synthesis; microwave-assisted hydrothermal synthesis; sun protection factor
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Nicoara, A.I.; Ene, V.L.; Voicu, B.B.; Bucur, M.A.; Neacsu, I.A.; Vasile, B.S.; Iordache, F. Biocompatible Ag/Fe-Enhanced TiO2 Nanoparticles as an Effective Compound in Sunscreens. Nanomaterials 2020, 10, 570.

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