Photoelectron-transfer-effect grafting: Validation of a generalized strategy for fluorescence and photoelectrochemical dual-mode detection of hydrogen sulfide

Yu, Xiao-Jie; Wan, Xiao-Yan; Shen, Yu-Ting; Zhang, Deng-Bao; Zhou, Xian-Jing; Han, De-Man; Chen, Feng-Zao

doi:10.1016/j.aca.2024.343232

Analytica Chimica Acta

2024

DOI: 10.1016/j.aca.2024.343232

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Photoelectron-transfer-effect grafting: Validation of a generalized strategy for fluorescence and photoelectrochemical dual-mode detection of hydrogen sulfide

Xiao-Jie Yu,

Xiao-Yan Wan,

Yu-Ting Shen

et al.

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Synergetic Enzyme-Incorporated Metal–Organic Framework and Polyoxometalate Nanozyme: Achieving Stable Tandem Catalysis for Organic Photoelectrochemical Transistor Bioanalysis

Zhang,

Hou,

Cai

et al. 2024

Anal. Chem.

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Organic photoelectrochemical transistor (OPECT) has emerged as a promising technique for biomolecule detection, yet its operational rationale remains limited due to its short development time. This study introduces a stable tandem catalysis protocol by synergizing the enzyme-incorporated metal−organic frameworks (E-MOFs) with polyoxometalate (POM) nanozyme for sensitive OPECT bioanalysis. The zeolitic imidazolate framework-8 (ZIF-8) acts as the skeleton to protect the encapsulated glucose oxidase (GOx), allowing the stable catalytic generation of H 2 O 2 . With peroxidase-like activity, a phosphotungstic acid hydrate (PW 12 ) is then able to utilize the H 2 O 2 to induce the biomimetic precipitation on the photogate, ultimately resulting in the altered device characteristics for quantitative detection. This work reveals the potential and versatility of an engineered enzymatic system as a key enabler to achieve novel OPECT bioanalysis, which is believed to offer a feasible framework to explore new operational rationale in optoelectronic and bioelectronic detection.

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Synergetic Enzyme-Incorporated Metal–Organic Framework and Polyoxometalate Nanozyme: Achieving Stable Tandem Catalysis for Organic Photoelectrochemical Transistor Bioanalysis

Zhang,

Hou,

Cai

et al. 2024

Anal. Chem.

View full text Add to dashboard Cite

show abstract

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Photoelectron-transfer-effect grafting: Validation of a generalized strategy for fluorescence and photoelectrochemical dual-mode detection of hydrogen sulfide

Cited by 1 publication

References 51 publications

Synergetic Enzyme-Incorporated Metal–Organic Framework and Polyoxometalate Nanozyme: Achieving Stable Tandem Catalysis for Organic Photoelectrochemical Transistor Bioanalysis

Synergetic Enzyme-Incorporated Metal–Organic Framework and Polyoxometalate Nanozyme: Achieving Stable Tandem Catalysis for Organic Photoelectrochemical Transistor Bioanalysis

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