Nanoparticles of carbon derivatized from pyrolysis of biowaste oil palm leaves were processed as electrochemical transducer material at the interface of glassy carbon electrode. This modified electrode exhibits convincing electron‐transfer property for voltammetric and chronoamperometric quantification of clinically important phytochemical, butein, without the use of external redox mediator and enzyme. A reversible two‐electron transfer redox property observed from butein is distinct at the electrode interface and the current density is found to be superior in phosphate buffered saline electrolyte at pH 7.0. Carbon nanoparticles interfaced electrode system displayed a good stability and sensitivity for butein with a detection limit of 7.6 μM and a dynamic detection concentration ranging from 10 to 100 μM. This bio‐waste translated carbon nanoparticle represent a promising electrode material for various flavonoids detection useful for biological studies.

中文翻译：

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使用生物废料处理的碳纳米粒子界面电极对丁蛋白进行电化学示踪

将生物废油棕榈叶热解衍生的碳纳米颗粒在玻璃碳电极的界面处作为电化学传感器材料进行处理。这种修饰的电极在不使用外部氧化还原介体和酶的情况下，对具有临床意义的重要植物化学物质丁烯酸的伏安和计时安培定量显示出令人信服的电子转移性质。从丁酸酯观察到的可逆的两电子转移氧化还原特性在电极界面处很明显，并且在pH 7.0的磷酸盐缓冲盐水中发现电流密度更高。碳纳米粒子界面电极系统对丁烯酸显示出良好的稳定性和敏感性，检测限为7.6μM，动态检测浓度为10至100μM。