ArticleCurrent drug delivery2026
Facile Synthesis of Monodisperse Gold Nanorods, Gold Nanobipyramids and Gold Nanocups with Different Coatings and Evaluation of Their Cellular Cytotoxicity.
Article in Current drug delivery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionAssessing the cytotoxicity of gold nanoparticles (GNPs) has gained importance due to their development in the biomedical field.
methodsIn this study, we systematically synthesized gold nanorods (GNRs), gold nanobipyramids (GNBPs), and gold nanocups (GNCs) using a seed-mediated method, with an average length of 32.53 ± 4.67 nm, 72.90 ± 7.54 nm and 118.01 ± 11.02 nm, respectively.
resultsFurthermore, using the cell counting kit-8 (CCK-8) assay, we assessed the cellular cytotoxicity of three different types of GNPs with various different surface coatings, such as organic cetyltrimethylammonium bromide (CTAB) and polyethylene glycol (PEG). The results showed that the cytotoxic behavior of GNPs was shape-dependent in the concentration range of 3.125 -100 µg/mL. The types of GNPs and their surface coating had a significant impact on how the GNPs behaved in cells. Compared to PEG-coated GNPs, which do not induce cell injury, CTAB-coated GNPs show more noticeable cytotoxicity.
conclusionFurthermore, compared to GNCs, the toxicity of GNRs and GNBPs against GES-1 cells, RAW 264.7 cells and LX-2 cells was greater. Our research provides an important new understanding of the effects of surface modification on the biocompatibility and the shape of GNPs in the biomedical field.
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