Copper ferrite nanoparticles anchored laser-induced graphene as novel nanoenzyme for the electrochemical catalyzing and sensing of β-estradiol in serum

Cai, Minghui; Yao, Haixu; Li, Mengnan; Yan, Yan; Cao, Yang; Li, Jiaxin; Su, Huiyu; Zhang, Wenwen; Zhu, Hui; Cui, Feiyun

doi:10.1016/j.cej.2024.152148

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.152148

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Copper ferrite nanoparticles anchored laser-induced graphene as novel nanoenzyme for the electrochemical catalyzing and sensing of β-estradiol in serum

Minghui Cai,

Haixu Yao,

Mengnan Li

et al.

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Cited by 2 publications

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Efficient and Selective Lithium Extraction from Brine Water Via a Photothermal Sandwich Sieve Structure

Zhong,

Zhao,

Lai

et al. 2024

Adv Funct Materials

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Lithium is being recognized as a strategic resource on a global scale, mainly because of its growing importance in the production of lithium‐ion batteries for electric vehicles and energy storage systems. Due to its uneven geographical distribution and limited availability on Earth, extracting lithium from brines and seawater presents a sustainable supply pathway. However, conventional lithium extraction techniques are still challenging, necessitating significant costs and energy consumption. This study primarily employs a solar‐utilizing selective extraction strategy for efficient lithium harvesting by designing a solar‐thermal sandwich sieve structure. Herein, a portable solar‐driven lithium extraction device has been developed based on HKUST‐1 and LIG. Due to the sub‐nano channels provided by HKUST‐1, the hydrated Li+ can selectively pass through the MOF layer. The excellent solar heating of the layer enables the device an accelerate vapor escaping, it then facilitates the delivery of Li+, resulting in lithium accumulation at the interface for convenient collection. The maximum lithium extraction capacity in one cycle is 1467 mg m−2, demonstrating good Li+ selectivity absorption with a high Mg2+/Li+ ratio under 1 solar illumination. Moreover, the device shows excellent cycle stability. This work offers an integrated solar utilization for scalable and sustainable lithium extraction from brine water.

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Efficient and Selective Lithium Extraction from Brine Water Via a Photothermal Sandwich Sieve Structure

Zhong,

Zhao,

Lai

et al. 2024

Adv Funct Materials

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Plasmon-Enhanced Photoelectrochemistry of Photosystem II on a Hierarchical Tin Oxide Electrode for Ultrasensitive Detection of 17β-Estradiol

Yao,

Feng,

Wang

et al. 2024

Anal. Chem.

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Despite its excellent efficiency in natural photosynthesis, the utilization of photosystem II (PSII)-based artificial photoelectrochemical (PEC) systems for analytical purposes is hindered due to the low enzyme loading density and ineffective electron transfer (ET) processes. Here, we present a straightforward and effective approach to prepare a PSII-based biohybrid photoanode with remarkable photoresponse, enabled by the use of a hierarchically structured inverse-opal tin oxide (IO-SnO 2 ) electrode combined with gold nanoparticles (Au NPs). The porous, carbon-containing IO-SnO 2 structure allows for a high density and photoactivity loading of PSII complexes, while also providing strong electrical coupling between the protein film and the electrode. A new electron transfer pathway mediated by Au NPs was identified at the protein-electrode interface, which efficiently shuttles the photogenerated electrons from the enzyme to the IO-SnO 2 electrode. Furthermore, the PEC response of the electrode was significantly enhanced by the surface plasmon resonance (SPR) effect of Au NPs. Upon light irradiation, this PSII-based photoanode exhibited an impressively high and stable photocurrent output, which was utilized to fabricate an aptasensor for 17β-Estradiol (E2) detection. Under optimal conditions, a detection limit of 0.33 pM was obtained, along with a broad detection range from 15 pM to 30 nM. The applicability of the aptasensor was assessed by measuring E2 in water and urine samples, demonstrating its feasibility in environmental monitoring and clinical tests.

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Copper ferrite nanoparticles anchored laser-induced graphene as novel nanoenzyme for the electrochemical catalyzing and sensing of β-estradiol in serum

Cited by 2 publications

References 72 publications

Efficient and Selective Lithium Extraction from Brine Water Via a Photothermal Sandwich Sieve Structure

Efficient and Selective Lithium Extraction from Brine Water Via a Photothermal Sandwich Sieve Structure

Plasmon-Enhanced Photoelectrochemistry of Photosystem II on a Hierarchical Tin Oxide Electrode for Ultrasensitive Detection of 17β-Estradiol

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