Two Fold Amplification of Paste Electrode with Pt/Graphene Nanocomposite and Room Temperature Ionic Liquid to Monitoring of Vitamin B6 in Environmental and Food Samples

IF 2.8 3区化学 Q2 CHEMISTRY, APPLIED Topics in Catalysis Pub Date : 2024-07-04 DOI:10.1007/s11244-024-01984-y

Zahra Poorshaab-Fallah, Seyed-Ahmad Shahidi, Mehdi Baghayeri, Azade Ghorbani-HasanSaraei, Farhoush Kiani

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Abstract

A new highly sensitive and powerful electroanalytical tool fabricated by two fold amplification of paste electrode (PE) with Pt/graphene nanocomposite (Pt/Gr-NC) and room temperature ionic liquid (1-Hexyl-3-methylimidazolium hexafluorophosphate (1H3MTIHFP) in this case) (Pt/Gr-NC/1H3MTIHFP/PE) for detection and determination of vitamin B₆ in environmental and food samples. The modification with a synergistic effect in the designed sensor has caused the vitamin B₆ signal to increase greatly, and the conditions for designing an ultra-sensitive sensor for the measurement with linear range 0.004–250 µM and the detection limit 0.5 nM created. On the other hand, this synergistic effect (1H3MTIHFP and Pt/Gr-NC) due to presence of has caused the vitamin B₆ oxidation signal to improve about 4.9 times and its oxidation potential to decrease by 140 mV, which means creating a sensor with high selectivity and suitable detection limit. Finally, Pt/Gr-NC/1H3MTIHFP/PE was used as a perfect analytical tool in monitoring of real samples such as fruit juices and water. Results was completely confirm ability of Pt/Gr-NC/1H3MTIHFP/PE in sensing vitamin B₆.

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采用铂/石墨烯纳米复合材料和室温离子液体的两倍放大浆状电极监测环境和食品样品中的维生素 B6

利用铂/石墨烯纳米复合材料（Pt/Gr-NC）和室温离子液体（1-己基-3-甲基咪唑鎓六氟磷酸盐（1H3MTIHFP））对浆料电极（PE）进行两倍放大（Pt/Gr-NC/1H3MTIHFP/PE），制造出一种高灵敏度、功能强大的新型电分析工具，用于检测和测定环境和食品样品中的维生素 B6。在所设计的传感器中进行具有协同效应的改良后，维生素 B6 信号大大增加，为设计线性范围为 0.004-250 µM、检测限为 0.5 nM 的超灵敏传感器创造了条件。另一方面，由于存在协同效应（1H3MTIHFP 和 Pt/Gr-NC），维生素 B6 的氧化信号提高了约 4.9 倍，氧化电位降低了 140 mV，这意味着可以设计出具有高选择性和合适检测限的传感器。最后，Pt/Gr-NC/1H3MTIHFP/PE 被用作监测果汁和水等实际样品的完美分析工具。结果完全证实了 Pt/Gr-NC/1H3MTIHFP/PE 传感维生素 B6 的能力。

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来源期刊

Topics in Catalysis 化学-物理化学

CiteScore

5.70

自引率

5.60%

发文量

197

审稿时长

2 months

期刊介绍： Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief. The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.