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Chaki Borrás ML, Colbran G, Mitchell DRG, Barker PJ, Sluyter R, Konstantinov K. Multifunctional bismuth oxide (Bi 2 O 3 ) particles: Evidence for selective melanoma therapy. J Biomed Mater Res A 2023; 111:1253-1263. [PMID: 36866394 DOI: 10.1002/jbm.a.37524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/20/2023] [Accepted: 02/21/2023] [Indexed: 03/04/2023]
Abstract
The current study investigates the therapeutic and optical properties of bismuth oxide (Bi2 O3 ) particles for selective melanoma therapy and prevention. The Bi2 O3 particles were prepared using a standard precipitation method. The Bi2 O3 particles induced apoptosis in human A375 melanoma cells but not human HaCaT keratinocytes or CCD-1090Sk fibroblast cells. This selective apoptosis appears to be associated with a combination of factors: increased particle internalization (2.29 ± 0.41, 1.16 ± 0.08 and 1.66 ± 0.22-fold of control) and enhanced production of reactive oxygen species (ROS) (3.4 ± 0.1, 1.1 ± 0.1 and 2.05 ± 0.17-fold of control) in A375 cells compared to HaCaT and CCD-1090SK cells, respectively. As a high-Z element, bismuth is also an excellent contrast agent for computer tomography, which renders Bi2 O3 a theranostic material. Moreover, Bi2 O3 displays high UV absorption and low photocatalytic activity compared to other semiconducting metal oxides, which opens further potential fields of application as a pigment or as an active ingredient in sunscreens. Overall, this study demonstrates the multifunctional properties of Bi2 O3 particles surrounding the treatment and prevention of melanoma.
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Affiliation(s)
- Marcela Laura Chaki Borrás
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
- Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
- School of Physics, Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - Georgia Colbran
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
- School of Physics, Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - David R G Mitchell
- Electron Microscopy Centre, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
| | - Philip J Barker
- School of Chemistry and Molecular Bioscience, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia
| | - Ronald Sluyter
- Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
- School of Chemistry and Molecular Bioscience, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia
| | - Konstantin Konstantinov
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
- Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
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Novel CeOx-modified In2O3 with stabilized Ce3+ states as a highly efficient photocatalyst for photoreduction of CO2 with CH4 or H2O. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Lai C, An Z, Yi H, Huo X, Qin L, Liu X, Li B, Zhang M, Liu S, Li L, Fu Y, Zhou X, Wang Z, An N, Shi X. Enhanced visible-light-driven photocatalytic activity of bismuth oxide via the decoration of titanium carbide quantum dots. J Colloid Interface Sci 2021; 600:161-173. [DOI: 10.1016/j.jcis.2021.05.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/26/2021] [Accepted: 05/06/2021] [Indexed: 10/21/2022]
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