ArticleLasers in medical science2022
NIR laser-conjugated glutathione-coated Mn-doped CuS nanoprisms as photothermal agent for cancer treatment.
Article in Lasers in medical science, 2022. 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
The cancer treatment by laser-conjugated nanomaterial has become a new developing trend due of their unique physicochemical performance. The previous few studies reported the preparation of undoped CuS nanoprisms. The current research was concerned with the Mn doping effect on the CuS nanoprisms and its activity in tumor toxicity of M.D. Anderson-Metastatic Breast 231 (MDA-MB-231) cell line with laser treatment. To prepare a novel CuS and Mn-doped CuS nanoprisms with high surface area by two-phase colloidal method, copper nitrate and sulfur powder were used as sources of copper and sulfur respectively. The prepared nanoprisms were investigated as antibacterial and photothermal agents in MDA-MB-231 cancer treatment using near-infrared (NIR) laser. The Mn-CuS nanoprisms were modified with glutathione (GSH) to decrease the cytotoxicity and increase the biocompatibility. The characterization of synthesized nanoprisms involved the structural, compositional, surface charges, optical, and morphological property analyses. X-ray diffraction (XRD) showed the peaks of hexagonal covellite copper sulfide nanoparticles and additional diffraction peaks at Mn-CuS which are assigned to orthorhombic chalcocite CuS. The transmission electron microscopy (TEM) images showed that the CuS and Mn-CuS nanoparticles have nanoprism morphology. The antibacterial activity test revealed that the activity enhances by doping and the prepared Mn-CuS nanostructures were more effective against the Staphylococcus aureus and Escherichia coli bacteria. The results of photothermal treatment indicated that the cancer cells were effectively killed and the GSH@Mn-CuS nanoprisms are able to be used as an efficient theranostic agent for tumor photothermal therapy in the future.
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