Oxygen-enriching triphase platform for reliable sensing of femtomolar Alzheimer’s neurofilament lights

Song, Yunji; Kim, Hayeon; Lee, Joonseok; Kim, Kayoung

doi:10.1016/j.bios.2024.116431

Biosensors and Bioelectronics

2024

DOI: 10.1016/j.bios.2024.116431

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Oxygen-enriching triphase platform for reliable sensing of femtomolar Alzheimer’s neurofilament lights

Yunji Song,

Hayeon Kim,

Joonseok Lee

et al.

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Triple‐Phase Interfacial Freestanding Fluffy Pine Needle Structures for Efficient Self‐Powered Photoelectrocatalysis

Jung,

Baek,

Lee

et al. 2024

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Approximately 2 billion people still lack access to clean drinking water. Extensive efforts are underway to develop semiconductor photocatalysts for water disinfection and environmental remediation, but conventional liquid‐solid diphase interfacial photocatalysts face challenges like low diffusion coefficients and limited solubility of dissolved oxygen. This study introduces freestanding copper oxide fluffy pine needle structures (CO‐FPNs) with tunable water pollutants‐gas‐solid (WGS) triple‐phase interfaces that enhance oxygen enrichment and reactive oxygen species (ROS) production. Three differently structured CO‐FPNs—microdendrites, hierarchical dendrites, and nanowires—are designed. The hierarchical CO‐FPN/WGS, predominantly in the Cassie‐Wenzel coexistence state, showed a 1.81‐ to 1.91‐fold higher reaction rate than the micro‐ and nanostructured CO‐FPNs due to increased interfacial O2 levels and high adsorption capability. Under illumination, the hierarchical CO‐FPN/WGS achieved 99.999% sterilization by preventing pathogen adhesion and enhancing ROS generation. Additionally, a self‐powered photoelectrocatalytic system is constructed using nickel‐iron oxide‐deposited bismuth vanadate (NiFeO/BiVO4) with hierarchical CO‐FPN/WGS, achieving 1.45 times higher than the hierarchical CO‐FPN/WGS alone, due to superior oxidation kinetics of NiFeO/BiVO4 and improved oxygen reduction via atmospheric oxygen from the hierarchical CO‐FPN/WGS. This study demonstrates the first example of a triple‐phase interfacial self‐powered platform for efficient photoelectrocatalysis.

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Triple‐Phase Interfacial Freestanding Fluffy Pine Needle Structures for Efficient Self‐Powered Photoelectrocatalysis

Jung,

Baek,

Lee

et al. 2024

Small

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Oxygen-enriching triphase platform for reliable sensing of femtomolar Alzheimer’s neurofilament lights

Cited by 1 publication

References 59 publications

Triple‐Phase Interfacial Freestanding Fluffy Pine Needle Structures for Efficient Self‐Powered Photoelectrocatalysis

Triple‐Phase Interfacial Freestanding Fluffy Pine Needle Structures for Efficient Self‐Powered Photoelectrocatalysis

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