Ultrastable Hydrophilic Gold Nanoclusters Protected by Sulfonic Thiolate Ligands

References

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797Ultrastable Hydrophilic Gold Nanoclusters Protected by Sulfonic Thiolate Ligandshttps://doi.org/10.1021/acs.jpcc.0c08929Compositesynthesized Au25 NCs protected by p-MBSA, Au25(p-MBSA)18

Materials

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BET
b nanozyme
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797Au25(p-MBSA)184.2nmDLSIn a pH 9 aqueous solution, the hydrodynamic diameter of Au25(p-MBSA)18 is about 4.2 nm, which is larger than that of Au25(p-MBA)18 (about 3.0 nm).

Kinetics

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Applications

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797Au25(p-MBSA)18This pH-dependent peroxidase-mimicking activity is expected to have broad application prospects for Au25(p-MBSA)18 in the biomedical field. For example, in tumor cells with acidic pH,(33) Au25(p-MBSA)18 is expected to be stable, and it can increase the production of intracellular •OH to induce tumor death.