Preparation of hollow double-layer Pt@CeO 2 nanospheres as oxidase mimetics for the colorimetric-fluorescent-SERS triple-mode detection of glutathione in serum
Glutathione (GSH) is an essential antioxidant in the human body, but its detection is difficult due to the interference of complex components in serum. Herein, hollow double-layer Pt@CeO nanospheres were developed as oxidase mimetics, and the light-assisted oxidase mimetics effects were found. The o...
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| Veröffentlicht in: | Talanta (Oxford) 2024-08, Vol.276, p.126234 |
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| creator | Liao, Yiquan He, Yichang Zhang, Bin Ma, Ye Zhao, Minggang Xu, Ruiqi Cui, Hongzhi |
| description | Glutathione (GSH) is an essential antioxidant in the human body, but its detection is difficult due to the interference of complex components in serum. Herein, hollow double-layer Pt@CeO
nanospheres were developed as oxidase mimetics, and the light-assisted oxidase mimetics effects were found. The oxidase activity was enhanced significantly by utilizing the synergistic effect of Schottky junction and the localized surface plasmon resonance (LSPR) of Pt under UV light. A novel GSH colorimetric-fluorescent-SERS sensing platform was established, with the sensing performance notably boosted by using the light-assisted oxidase mimetics effects. This platform boasts an exceptionally low detection limit (LOD) of 0.084 μM, while the detection time was shortened from 10 min to just 2 min. The anti-interference detection with high recovery rate (96.84%-107.4 %) in real serum made it be promising for practical application. |
| doi_str_mv | 10.1016/j.talanta.2024.126234 |
| format | Article |
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| ispartof | Talanta (Oxford), 2024-08, Vol.276, p.126234 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Biomimetic Materials - chemistry Cerium - chemistry Colorimetry - methods Glutathione - blood Glutathione - chemistry Humans Limit of Detection Nanospheres - chemistry Oxidoreductases - chemistry Platinum - chemistry Spectrometry, Fluorescence - methods Surface Plasmon Resonance - methods |
| title | Preparation of hollow double-layer Pt@CeO 2 nanospheres as oxidase mimetics for the colorimetric-fluorescent-SERS triple-mode detection of glutathione in serum |
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