Confined Pt and M (M = Fe, Co) nanoparticles on NC with ultralow Pt loading for oxygen reduction reaction

Zhang, Hui-Juan; Feng, Xiaoxiong; Zhou, Zilong; Jia, Li; Yao, Wenli; Xue, Yuhua

doi:10.1016/j.jelechem.2024.118442

Journal of Electroanalytical Chemistry

2024

DOI: 10.1016/j.jelechem.2024.118442

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Confined Pt and M (M = Fe, Co) nanoparticles on NC with ultralow Pt loading for oxygen reduction reaction

Hui-Juan Zhang,

Xiaoxiong Feng,

Zilong Zhou

et al.

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Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS₂/CdIn₂S₄ Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

Ye,

Li,

Chen

et al. 2024

ACS Appl. Nano Mater.

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Breast cancer susceptibility protein-1 (BRCA-1) is a gene directly associated with hereditary breast cancer. BRCA-1 suppresses tumorigenesis, which is crucially involved in cell replication regulation and DNA damage repair, coupled by maintaining normal cell growth. Its accurate and straightforward analysis is essential for clinical diagnosis and treatment. In this study, we fabricated photoactive Z-schemed MoS 2 /CdIn 2 S 4 heterojunctions via hydrothermal synthesis and comprehensively characterized their optical properties using various techniques, with a focus on understanding the interfacial charge transfer process. At the same time, FePdMnCoPt high-entropy alloy/N-doped carbon spheres (termed FePdMnCoPt HEA/NCS) were prepared by confined adsorption and pyrolysis, and their ability to mimic peroxidase (POD)-like acitvity was investigated by oxidation of 3,3′5,5′-tetramethylbenzidine (TMB) in the presence of H 2 O 2 . On such basis, a MoS 2 /CdIn 2 S 4 -based photoelectrochemical (PEC) sensor was established for the analysis of BRCA-1. The detection signal was greatly amplified by the catalytic precipitation reaction for 4-chloro-1-naphthol (4-CN) oxidation, as assisted by the FePdMnCoPt HEA/NCS nanozyme. The developed PEC sensor had a broad detection range of (0.1−1.0) × 10 5 pg mL −1 with a lower detection limit of 1.00 pg mL −1 . This study has developed a ultrasensitive PEC biosensor for the quantitative detection of BRCA-1, which holds great promise for clinical diagnosis.

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Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS₂/CdIn₂S₄ Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

Ye,

Li,

Chen

et al. 2024

ACS Appl. Nano Mater.

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show abstract

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Confined Pt and M (M = Fe, Co) nanoparticles on NC with ultralow Pt loading for oxygen reduction reaction

Cited by 1 publication

References 28 publications

Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS₂/CdIn₂S₄ Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS₂/CdIn₂S₄ Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

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Confined Pt and M (M = Fe, Co) nanoparticles on NC with ultralow Pt loading for oxygen reduction reaction

Cited by 1 publication

References 28 publications

Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS2/CdIn2S4 Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS2/CdIn2S4 Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

Contact Info

Product

Resources

About

Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS₂/CdIn₂S₄ Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme

Ultrasensitive Photoelectrochemical Biosensor for BRCA-1 Detection Based on MoS₂/CdIn₂S₄ Heterojunctions and an FePdMnCoPt High-Entropy Alloy Nanozyme