| Title: | Physicochemical properties of gold nanoparticles for skin care creams |
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| Authors: | ID Majerič, Peter (Author)
ID Jović, Zorana (Author)
ID Švarc, Tilen (Author)
ID Jelen, Žiga (Author)
ID Horvat, Andrej (Author)
ID Koruga, Djuro (Author)
ID Rudolf, Rebeka (Author) |
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| Files: |  Physicochemical_properties_of_gold...pdf (5,34 MB)
MD5: 9A5B0D02F66FA6E41766C7680EA2A19E
 https://www.mdpi.com/1996-1944/16/8/3011
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | Gold nanoparticles (AuNPs) have now been used in skin care creams for several years, with marketed anti-aging, moisturizing, and regenerative properties. Information on the harmful effects of these nanoparticles is lacking, a concern for the use of AuNPs as cosmetic ingredients. Testing AuNPs without the medium of a cosmetic product is a typical method for obtaining this information, which is mainly dependent on their size, shape, surface charge, and dose. As these properties depend on the surrounding medium, nanoparticles should be characterized in a skin cream without extraction from the cream’s complex medium as it may alter their physicochemical properties. The current study compares the sizes, morphology, and surface changes of produced dried AuNPs with a polyvinylpyrrolidone (PVP) stabilizer and AuNPs embedded in a cosmetic cream using a variety of characterization techniques (TEM, SEM, DLS, zeta potential, BET, UV–vis). The results show no observable differences in their shapes and sizes (spherical and irregular, average size of 28 nm) while their surface charges changed in the cream, indicating no major modification of their primary sizes, morphology, and the corresponding functional properties. They were present as individually dispersed nanoparticles and as groups or clusters of physically separated primary nanoparticles in both dry form and cream medium, showing suitable stability. Examination of AuNPs in a cosmetic cream is challenging due to the required conditions of various characterization techniques but necessary for obtaining a clear understanding of the AuNPs’ properties in cosmetic products as the surrounding medium is a critical factor for determining their beneficial or harmful effects in cosmetic products. |
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| Keywords: | gold nanoparticles, ultrasonic spray pyrolysis, freeze drying, characterization, creams |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 17.03.2023 |
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| Article acceptance date: | 08.04.2023 |
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| Publication date: | 11.04.2023 |
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| Publisher: | MDPI |
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| Year of publishing: | 2023 |
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| Number of pages: | 14 str. |
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| Numbering: | Vol. 16, iss. 8, [article no.] 3011 |
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| PID: | 20.500.12556/DKUM-84143  |
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| UDC: | 669.2:615 |
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| ISSN on article: | 1996-1944 |
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| COBISS.SI-ID: | 149367299 |
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| DOI: | 10.3390/ma16083011 |
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| Note: | Majerič, P.; Jović, Z.; Švarc, T.; Jelen, Ž.; Horvat, A.; Koruga, D.; Rudolf, R. Physicochemical Properties of Gold Nanoparticles for Skin Care Creams. Materials 2023, 16, 3011. https://doi.org/10.3390/ma16083011 |
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| Publication date in DKUM: | 19.04.2023 |
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| Views: | 1125 |
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| Downloads: | 115 |
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| Metadata: |    |
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| Categories: | Misc.
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