Integrated functional nucleic acids with 2D metal-organic framework composites as a label-free electrochemical sensor for trace Hg²⁺ Sensing

Xiaofang Zheng; Yujie Han; Zhiguang Liu; Shufeng Liang; Chunyan Wang; Yujing Guo

doi:10.1039/d5nj02147b

January 1, 2025New Journal of Chemistry

Integrated functional nucleic acids with 2D metal-organic framework composites as a label-free electrochemical sensor for trace Hg²⁺ Sensing

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Key Points

The sensor achieves effective detection of trace Hg²⁺ with high sensitivity, leveraging the unique properties of Cu-MOF composites.
Utilizing the combination of functional nucleic acids and metal-organic frameworks, the sensor operates without requiring labels for identification.
The innovative approach of using PVP/GNs@Cu-MOF enhances the electrochemical performance under various conditions.
This method offers a promising strategy for environmental sensing, primarily aimed at heavy metal detection in contaminated water.

Implication

This study demonstrates a novel label-free sensor for detecting Hg²⁺ in samples, indicating potential applications in environmental monitoring.

Abstract

In this study, a label-free functional nucleic acids electrochemical sensor was fabricated on the basis of graphene@Cu-based metal-organic framework (PVP/GNs@Cu-MOF). The PVP/GNs@Cu-MOF composites combine the advantages of Cu-MOF (electrochemical redox...

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Cite This Study

Zheng et al. (2025) studied this question.

synapsesocial.com/papers/68c1c9d254b1d3bfb60f2c04 https://doi.org/10.1039/d5nj02147b

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Integrated functional nucleic acids with 2D metal-organic framework composites as a label-free electrochemical sensor for trace Hg²⁺ Sensing

Key Points

Implication

Abstract

Discussion

Cite This Study

Integrated functional nucleic acids with 2D metal-organic framework composites as a label-free electrochemical sensor for trace Hg²⁺ Sensing

Key Points

Implication

Abstract

Discussion

Cite This Study

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