In this work, a novel synthetic strategy of PdAg nano‐alloy colloids was established via methanol reduction, a environmental friendly method due to the advantage of biodegradable methanol. The obtained nano‐alloys were decorated on the surface of graphene (Gr/PdAg). Gr/PdAg was then modified onto the surface of glassy carbon electrode (Gr/PdAg/GCE) to explore its electrocatalytic performance for brucine. The linear range of the electrochemical determination for brucine is 0.63 μM–1.89 mM and the detection limit is 0.10 μM. It was also used for the determination of brucine in human urine with recoveries from 95.0 to 104.0 %.

中文翻译：

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甲醇还原法制备粗银电化学检测钯银纳米合金的新策略

在这项工作中，通过甲醇还原建立了一种新型的PdAg纳米合金胶体合成策略，这是一种由于可生物降解的甲醇而带来的环保方法。将获得的纳米合金装饰在石墨烯（Gr / PdAg）的表面上。然后将Gr / PdAg修饰到玻璃碳电极（Gr / PdAg / GCE）的表面上，以探索其对brucine的电催化性能。粗麻碱电化学测定的线性范围为0.63 μM–1.89 mM，检出限为0.10μM。它也可用于测定人尿中的丁香碱，回收率为95.0％至104.0％。