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首页> 外文期刊>Food Chemistry >A novel ratiometric electrochemical sensor for the selective detection of citrinin based on molecularly imprinted poly(thionine) on ionic liquid decorated boron and nitrogen co-doped hierarchical porous carbon
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A novel ratiometric electrochemical sensor for the selective detection of citrinin based on molecularly imprinted poly(thionine) on ionic liquid decorated boron and nitrogen co-doped hierarchical porous carbon

机译:一种新型比例电化学传感器,用于基于分子印迹聚(噻嗪)在离子液体上的离子液体中的植物蛋白选择性检测硼和氮掺杂等级多孔碳

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摘要

Citrinin can cause serious human diseases, thus its detection in foods is necessary. Herein, a molecularly imprinted polymer-based ratiometric electrochemical sensor (MIP-RECS) was presented for citrinin detection. The sensor was fabricated by electropolymerization, using thionine as monomer and citrinin as template. The ionic liquid decorated boron and nitrogen co-doped hierarchical porous carbon (BN-HPC) as supporter, provided large surface for anchoring thionine and citrinin. Poly(thionine) not only acted as MIP, but also acted as reference probe. When [Fe(CN)6] 3-/4- was adopted as indicating probe, the resulting sensor demonstrated a wide linear detection range (i.e. 1 x 10-3-10 ng mL-1) and a low detection limit (i.e. 1 x 10-4 ng mL-1).The sensor was applied to the detection of spiked citrinin in real samples, and satisfactory recovery (i.e. 97% - 110%) was obtained. Hence, it was promising for citrinin detection.
机译:番茄素会导致严重的人类疾病,因此它是必要的食物中的检测。 这里,提出了用于柠檬化检测的分子印迹基于聚合物的比例电化学传感器(MIP-REC)。 通过电聚合,使用噻嗪作为单体和柠檬水作为模板来制造传感器。 离子液体装饰硼和氮气共掺杂的分层多孔碳(BN-HPC)作为支撑件,为锚固噻嗪和柠檬蛋白提供大表面。 Poly(噻嗪)不仅担任MIP,还担任参考探针。 当[Fe(CN)6] 3- / 4-作为指示探针时,所得到的传感器显示出宽的线性检测范围(即1×10-3-10ng ML-1)和低检测限(即1 x 10-4 ng ml-1)。将传感器应用于真实样品中的尖刺柠檬蛋白的检测,并获得令人满意的恢复(即97%-110%)。 因此,它很有希望用于甘黄素检测。

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