The DOI matches its Crossref record; 120 of the 120 references it cites were found in a registry or an index.
Biocompatibility and Cytotoxicity of Gold Nanoparticles: Recent Advances in Methodologies and Regulations
Open accessAbstract
Recent advances in the synthesis of metal nanoparticles (MeNPs), and more specifically gold nanoparticles (AuNPs), have led to tremendous expansion of their potential applications in different fields, ranging from healthcare research to microelectronics and food packaging. The properties of functionalised MeNPs can be fine-tuned depending on their final application, and subsequently, these properties can strongly modulate their biological effects. In this review, we will firstly focus on the impact of MeNP characteristics (particularly of gold nanoparticles, AuNPs) such as shape, size, and aggregation on their biological activities. Moreover, we will detail different in vitro and in vivo assays to be performed when cytotoxicity and biocompatibility must be assessed. Due to the complex nature of nanomaterials, conflicting studies have led to different views on their safety, and it is clear that the definition of a standard biosafety label for AuNPs is difficult. In fact, AuNPs’ biocompatibility is strongly affected by the nanoparticles’ intrinsic characteristics, biological target, and methodology employed to evaluate their toxicity. In the last part of this review, the current legislation and requirements established by regulatory authorities, defining the main guidelines and standards to characterise new nanomaterials, will also be discussed, as this aspect has not been reviewed recently. It is clear that the lack of well-established safety regulations based on reliable, robust, and universal methodologies has hampered the development of MeNP applications in the healthcare field. Henceforth, the international community must make an effort to adopt specific and standard protocols for characterisation of these products.
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Metadata
- Authors
- Kus-Liśkiewicz, M., Fickers, P., & Ben Tahar, I.
- Venue
- International Journal of Molecular Sciences
- Publisher
- MDPI AG
- Published
- 2021-10-11
- Volume
- 22
- Issue
- 20
- Pages
- 10952
- ISSN
- 1422-0067 (ISSN-L)
- OpenAlex
- W3205584853
- Cited by
- 404
- References
- 120
- FWCI
- 12.51
- Type
- journal article
- Language
- en
- Open access
- gold
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