A Simple and Rapid Estimation of Totals Polyphenols Based On Carbon Paste Electrode Modified with Ruthenium Oxo-Complex

Raymundo-Pereira Paulo A.; Teixeira Marcos F. S.; Caetano Fabio R.; Bergamini Marcio F.; Marcolino-Junior Luiz H.

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A Simple and Rapid Estimation of Totals Polyphenols Based On Carbon Paste Electrode Modified with Ruthenium Oxo-Complex

机译：氧化钌络合物修饰的碳糊电极快速简单地估算总多酚

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A simple and fast method based on electrochemical measurements was proposed for estimation of total polyphenols using a carbon paste modified electrode. The method was based on catalytic response exhibited by a ruthenium complex [(bpy)(2)(NH3)Ru-III(mu-O)Ru-III(NH3)(bpy)(2)](4+) in presence of gallic acid (GA). Calibration plots using chronoamperometry (CA) showed a linear response for GA concentrations ranging from 6.6x10(-6) to 1.9x10(-4)molL(-1) with a detection limit of 4.9x10(-7)molL(-1). Comparative studies using the official method revealed a good agreement between methods suggesting that the proposed method can be applied for polyphenol estimation without any sample treatment.

机译：提出了一种基于电化学测量的简单快速的方法，用于使用碳糊修饰电极估算总多酚。该方法基于钌络合物[（bpy）（2）（NH3）Ru-III（mu-O）Ru-III（NH3）（bpy）（2）]（4+）表现出的催化反应。没食子酸（GA）。使用计时电流法（CA）的校准图显示了GA浓度从6.6x10（-6）至1.9x10（-4）molL（-1）的线性响应，检出限为4.9x10（-7）molL（-1）。使用官方方法进行的比较研究表明，两种方法之间存在很好的一致性，这表明所建议的方法无需任何样品处理即可用于多酚估计。

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来源
《Electroanalysis》 |2015年第10期|共6页
作者
Raymundo-Pereira Paulo A.; Teixeira Marcos F. S.; Caetano Fabio R.; Bergamini Marcio F.; Marcolino-Junior Luiz H.;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
Carbon paste modified electrode; Ruthenium oxo-complex; Gallic acid; Polyphenols estimation;

机译：碳糊修饰电极钌配合物乙醇酸多酚估计;

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1. A Simple and Rapid Estimation of Totals Polyphenols Based On Carbon Paste Electrode Modified with Ruthenium Oxo-Complex [J] . Raymundo-Pereira Paulo A., Teixeira Marcos F. S., Caetano Fabio R., Electroanalysis . 2015,第10期

机译：氧化钌络合物修饰的碳糊电极快速简单地估算总多酚
2. A simple and sensitive portable system for a rapid evaluation of bisphenol A contamination in potable and environmental waters using a mesoporous silica-modified carbon paste electrode [J] . Morante-Zarcero Sonia, Perez-Quintanilla Damian, Ganan Judith, International journal of environmental analytical chemistry . 2019,第6a10期

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3. Development of a simple, rapid and validated square wave voltametric method for determination of promethazine in raw material and pharmaceutical formulation using DNA modified multiwall carbon nanotube paste electrode [J] . Joao Paulo Marco, Keyller Bastos Borges, Cesar Ricardo Teixeira Tarley, Sensors and Actuators . 2013,第FEBa期

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4. MAGNETICALLY MODIFIED CARBON PASTE ELECTRODES: METHOD FOR CONSTRUCTION AND DEMONSTRATION OF INCREASED ELECTROCHEMICAL FLUX OVER UNMODIFIED CARBON PASTE ELECTRODES [C] . Drew C. Dunwoody, Angela K. H. Wolf, Wayne L. Gellett, Proceedings vol.2004-18; International Symposium on Electrode Processes; 2004; Honolulu,HI(US) . 2004

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机译：一种简单敏感的传感器，基于分子印迹聚合物改性碳浆料电极，用于测定食品中的姜黄素

A Simple and Rapid Estimation of Totals Polyphenols Based On Carbon Paste Electrode Modified with Ruthenium Oxo-Complex

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