Electrochemical Detection of Triglycerides Based on an Enzymatic Reaction and Electrocatalytic Oxidation with Nortropine-N-oxyl

Ono Tetsuya; Sato Katsuhiko; Sasano Yusuke; Yoshida Kentaro; Dairaku Takenori; Iwabuchi Yoshiharu; Kashiwagi Yoshitomo

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Electrochemical Detection of Triglycerides Based on an Enzymatic Reaction and Electrocatalytic Oxidation with Nortropine-N-oxyl

机译：基于酶促反应的甘油三酯和甘油三酯与硝基 - N-氧基的电催化氧化电化学检测

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This work investigated a simple triglycerides (TGs) detection method combining an enzymatic reaction, using only lipase, and the electrocatalytic oxidation of glycerol with nortropine-N-oxyl (NNO). Tributyrin was employed as a model TG. In this method, TGs are degraded by lipase to glycerol and fatty acids, after which the glycerol reacts with NNO. Preliminary cyclic voltammetry trials demonstrated that the anodic peak current increased along with the glycerol concentration, giving currents of 53.2 and 97.3 mu A (at +0.6 V vs. Ag/AgCl) in response to 10 and 100 mM glycerol, respectively. Amperometry confirmed the same response during constant potential electrolysis at+0.6 V vs. Ag/AgCl. This behavior was also observed in a system incorporating tributyrin and lipase, with increases in current proportional to the tributyrin concentration over the range of 0.1 to 10 mM.

机译：该工作研究了仅使用脂肪酶的简单甘油三酯（TGS）检测方法，其仅使用脂肪酶，以及甘油的电催化氧化与甘油的甘油 - N-氧基（NNO）。 Tributyrin用作模型TG。在该方法中，Tgs通过脂肪酶降解给甘油和脂肪酸，之后甘油与NNO反应。初步循环伏安法试验表明，阳极峰值电流随着甘油浓度而增加，响应于10和100mM甘油，赋予53.2和97.3μA（以+ 0.6V与Ag / AgCl）的电流。安培测定法在+ 0.6V与Ag / AgCl恒定电势电解过程中证实了相同的反应。在掺入呋喃林和脂肪酶的系统中也观察到该行为，随着呋喃酚浓度的增加而增加，在0.1至10mm的范围内。

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来源
《Electroanalysis》 |2019年第4期|共4页
作者
Ono Tetsuya; Sato Katsuhiko; Sasano Yusuke; Yoshida Kentaro; Dairaku Takenori; Iwabuchi Yoshiharu; Kashiwagi Yoshitomo;
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作者单位

Ohu Univ Sch Pharmaceut Sci 31-1 Misumido Tomita Machi Koriyama Fukushima 9638611 Japan;

Tohoku Univ Grad Sch Pharmaceut Sci Aoba Ku 6-3 Aoba Sendai Miyagi 9808578 Japan;

Tohoku Univ Grad Sch Pharmaceut Sci Aoba Ku 6-3 Aoba Sendai Miyagi 9808578 Japan;

Ohu Univ Sch Pharmaceut Sci 31-1 Misumido Tomita Machi Koriyama Fukushima 9638611 Japan;

Ohu Univ Sch Pharmaceut Sci 31-1 Misumido Tomita Machi Koriyama Fukushima 9638611 Japan;

Tohoku Univ Grad Sch Pharmaceut Sci Aoba Ku 6-3 Aoba Sendai Miyagi 9808578 Japan;

Ohu Univ Sch Pharmaceut Sci 31-1 Misumido Tomita Machi Koriyama Fukushima 9638611 Japan;

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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
Mediator; Nitroxyl radical; Electrocatalytic oxidation; Triglyceride; Sensor;

机译：介质;硝基根氧基;电催化氧化;甘油三酯;传感器;

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1. Electrochemical Detection of Triglycerides Based on an Enzymatic Reaction and Electrocatalytic Oxidation with Nortropine-N-oxyl [J] . Ono Tetsuya, Sato Katsuhiko, Sasano Yusuke, Electroanalysis . 2019,第4期

机译：基于酶促反应的甘油三酯和甘油三酯与硝基 - N-氧基的电催化氧化电化学检测
2. A novel electrochemical biosensor for ultrasensitive detection of serum total bile acids based on enzymatic reaction combined with the double oxidation circular amplification strategy [J] . Gang Tian, Min Ding, Biao Xu, Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices . 2018,第期

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3. Electrochemical detection of triacetone triperoxide employing the electrocatalytic reaction of iron(II/III)-ethylenediaminetetraacetate and hydrogen peroxide [J] . Derek F.Laine, Christopher W.Roske, I.Francis Cheng Analytica chimica acta . 2008,第1期

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5. New generation of electrochemical sensors for nitric oxide: Ruthenium/carbon-based nanostructures and colloids as electrocatalytic platforms . [D] . Peiris, W. Pubudu M. 2010

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6. Oxygen Evolution Reaction: Core–Shell Structured NiFeSn@NiFe (Oxy)Hydroxide Nanospheres from an Electrochemical Strategy for Electrocatalytic Oxygen Evolution Reaction (Adv. Sci. 10/2020) [O] . Mingxing Chen, Shenglin Lu, Xian‐Zhu Fu, 2020

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机译：钌，铱及其氧化物的光电化学研究及其电催化活性。总结报告

Electrochemical Detection of Triglycerides Based on an Enzymatic Reaction and Electrocatalytic Oxidation with Nortropine-N-oxyl

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