Zixuan Chen

Smartphone-Assisted Electrochemiluminescence Imaging Platform Based on Protamine-Enhanced Gold Nanoclusters for Ultrasensitive and Visualized Detection of Zearalenone

Tingting Han, Jinyang Zhuang, Kai Zhou, Enwei Zhu et autres

Abstract Zearalenone (ZEN) contamination in grains poses a serious threat to human and animal health, yet existing imaging-based platforms for rapid visualized detection remain limited by insufficient sensitivity, limited luminescence efficiency, and poor signal stability, hindering further practical applications. Herein, a portable …

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Operando electrochemiluminescence imaging of intermediate evolution and kinetics in electrocatalytic nitrate reduction

Zhichen Zhang, Zejing Xing, Xiaodan Gou, Jinyang Zhuang et autres

Electrocatalytic nitrate reduction (NO3RR) provides a sustainable approach for removing nitrate pollutants and producing valuable nitrogen chemicals. However, understanding catalytic behavior under realistic dilute conditions remains challenging, as conventional electrochemical measurements rely on ensemble-averaged signals that obscure dynamic interfacial processes at individual …

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Suppressing vortex and residual spatters: Optimization of the circulation system of meter-scale laser powder bed fusion based on spatter removal ratio

Zixin Liu, Zixuan Chen, Wanjing Zhao, Jiajun Wu et autres

Large-scale laser powder bed fusion (LPBF) systems with meter-scale build volumes are highly susceptible to spatter contamination owing to inefficient inert gas circulation and extensive recirculation within the build chamber. To address these challenges, this study optimizes the inert gas circulation system …

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Liquid-Dependent Structural Responses of a Metal–Organic Framework Revealed by Liquid-Phase Three-Dimensional Electron Diffraction

Xiang Rao, Xiang Zhou, Mingxing Li, Zhiling Yu et autres

Liquid environments can profoundly influence the formation, structural transformation, and functional response of crystalline materials, making it essential to access their genuine structures in liquids. However, atomic-level structure analysis in liquids is highly challenging, as excessive liquid thickness, strong background scattering, and …

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Electrochemiluminescence microscopy for real-time, single-cell imaging of surface charge in electroactive bacteria

Zejing Xing, Zhichen Zhang, Rui Liu, Jinyang Zhuang et autres

Understanding how applied voltage regulates metabolism in microbial electrochemical systems is challenging due to the lack of adequate electrophysiological tools for microorganisms. Here, we present an imaging platform based on electrochemiluminescence (ECL) that allows real-time, femtocoulomb-scale quantification of surface charge in single …

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Operando Nanocavity-Confined Raman Spectroscopy Uncovers a Drilling-Shearing Mechanism in Nanoplastic Photodegradation

Jinxiang Li, Ru Wu, Ruixin Yang, Wenjing Tang et autres

Deciphering how reactive oxygen species (ROS) govern nanoplastic photodegradation remains unresolved due to the lack of approaches capable of directly correlating chemical transformations with ROS activity at the single-particle level. Here, we report a nanocavity-confined Raman platform that enables operando molecular fingerprinting …

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Reversible N2 binding and photoreduction at dinuclear sites in dynamic metal-organic frameworks

Anqi Zhang, Zedong Zhang, D Xu, Keke Tu et autres

ABSTRACT Direct structural characterization of reactive intermediates in photocatalytic N2 reduction is challenging due to their low concentration and fleeting nature, often limiting mechanistic understanding to spectroscopic or computational inference. Herein, we report the crystallographic capture of a coordinatively unsaturated dinuclear intermediate …

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Freight Big Data-Based Dual-Scale Study of Economic Spatial Organization and Planning Responses in Hubei Province

Haijuan Zhao, Xuejun Liu, Yan Long, Jingmei Shao et autres

Using truck GPS trajectory data, this study measures the intensity of economic spatial linkages in Hubei Province at both administrative and cross-administrative scales and examines the hierarchical structure and spatial pattern of its urban economic network. By comparing the results with existing …

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Numerical investigation on the impacts of different rib-structured flow fields on the performance of proton exchange membrane fuel cell

Zixuan Chen, Daidai Chen, Shuanyang Zhang, Quan Yuan et autres

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Recent Advances in Analytical Platform for Single-Cell Microbial Electrochemistry

Zejing Xing, Ying Wang, Lingxia Zuo, Zixuan Chen et autres

The urgent need to mitigate global energy and environmental crises underscores the importance of developing clean and sustainable energy technologies. Microbial electrochemical systems (MESs) have emerged as a promising platform, exploiting the ability of electroactive microorganisms to exchange electrons with electrodes through …

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Bimodal versus Unimodal Pore Architectures in Diimine-Linked Two-Dimensional Covalent Organic Frameworks

Qiao Zhang, Zhen-Hua Li, Xilin Jia, Zhihao Li et autres

Imine-linked two-dimensional covalent organic frameworks (2D COFs) are commonly considered structurally simple materials, yet precise structure determination by X-ray diffraction remains challenging due to the difficulty of obtaining large single crystals. Here, we show that a single-atom change in the aldehyde substituent …

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Electrochemiluminescence Monitoring of Microplastics Photodegradation Reveals a Superoxide Radical-Induced Hollowing-Collapse Mechanism on a COF@TiO 2 Heterojunction

Ru Wu, Guangtao Wang, Jinxiang Li, Yuqian Geng et autres

Photocatalysis offers a sustainable strategy for degrading microplastics (MPs), yet monitoring of the process remains a significant challenge. Herein, we report the solvothermal synthesis of a COF@TiO 2 heterojunction that integrates sensitive electrochemiluminescence (ECL) detection with the efficient visible-light-driven photocatalytic degradation of …

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