Hemin-doped metal–organic frameworks based nanozyme electrochemical sensor with high stability and sensitivity for dopamine detection

References

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DOI
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1207Hemin-doped metal–organic frameworks based nanozyme electrochemical sensor with high stability and sensitivity for dopamine detectionhttps://doi.org/10.1039/D0RA08224DCompositeHemin-doped-HKUST-1 (HKUST-1, also referred to as MOF-199; a face-centered-cubic MOF containing nanochannels) as a redox mediator for the detection of dopamine (DA)

Materials

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material
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BET
b nanozyme
b 10n
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sa 10n
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1207Hemin-doped HKUST-1/rGO100nmTEM

Kinetics

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T
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vmax
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vmax 10n
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kcat/km 10n
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1207Hemin-doped HKUST-1/rGO1207

Applications

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linear range
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1207Hemin-doped HKUST-1/rGOThe Hemin-doped HKUST-1/rGO nanozyme showed an excellent electrocatalytic activity for DA oxidation, which is due to the enhanced Hemin activity through the formation of a metal–organic framework (MOFs) and the synergy between the Hemin-doped HKUST-1 and rGO in nanozymeDA0.03–10μM3.27× 10-8M