Effective glucose surveillance provides a strong guarantee for the high-quality development of human health. Au nanomaterials possess compelling applications in nonenzymatic electrochemical glucose biosensors owing to superior catalytic performances and intriguing biocompatibility properties. However, it has been a grand challenge to accurately control the architecture and composition of Au nanomaterials to optimize their optical, electronic, and magnetic properties for further improving the performance of electrocatalytic sensing. Herein, ultra-low content Bi-anchored Au aerogels are synthesized via a one-step reduction strategy. Benefiting from the unique structure of aerogels as well as the synergistic effect between Au and Bi, the optimized Au₂₀₀Bi aerogels greatly boost the activity of glucose oxidation compared with Au aerogels. Under plasmon resonance excitation, bimetallic Au₂₀₀Bi aerogels with wider photics-dependent properties further show plasmon-promoted glucose electro-oxidation activity, which is derived from the photothermal and photoelectric effects caused by the local surface plasmon resonance. Thanks to the enhanced performance, a nonenzymatic electrochemical glucose biosensor is constructed to detect glucose with high sensitivity. This plasmon-promoted electrocatalytic activity through the synergetic strategy of bimetallic aerogels has potential applications in various research fields.

中文翻译：

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具有等离子体特性的超低含量铋锚定金气凝胶用于增强非酶电化学葡萄糖传感

有效的血糖监测为人类健康高质量发展提供了有力保障。由于优异的催化性能和有趣的生物相容性，金纳米材料在非酶电化学葡萄糖生物传感器中具有引人注目的应用。然而，准确控制金纳米材料的结构和组成以优化其光学、电子和磁性性能以进一步提高电催化传感性能一直是一个巨大的挑战。在此，通过一步还原策略合成了超低含量的双锚定金气凝胶。得益于气凝胶的独特结构以及Au和Bi之间的协同效应，优化的Au ₂₀₀与 Au 气凝胶相比，Bi 气凝胶大大提高了葡萄糖氧化的活性。在等离子共振激发下，具有更广泛的光依赖特性的双金属Au ₂₀₀ Bi气凝胶进一步表现出等离子促进的葡萄糖电氧化活性，这源于局部表面等离子共振引起的光热和光电效应。由于增强的性能，构建了一种非酶电化学葡萄糖生物传感器，以高灵敏度检测葡萄糖。这种通过双金属气凝胶的协同策略促进等离子促进的电催化活性在各个研究领域都有潜在的应用。