Nanomolar Determination of Methyldopa in the Presence of Large Amounts of Hydrochlorothiazide Using a Carbon Paste Electrode Modified with Graphene Oxide Nanosheets and 3-(4-Amino-3-hydroxy-biphenyl-4-yl)-acrylic Acid

Mohammadi Seyed Zia; Beitollahi Hadi; Jasemi Malihe; Akbari Ali

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Nanomolar Determination of Methyldopa in the Presence of Large Amounts of Hydrochlorothiazide Using a Carbon Paste Electrode Modified with Graphene Oxide Nanosheets and 3-(4-Amino-3-hydroxy-biphenyl-4-yl)-acrylic Acid

机译：使用氧化石墨烯纳米片和3-（4-氨基-3-羟基-联苯-4-基）-丙烯酸修饰的碳糊电极在大量氢氯噻嗪存在下纳米摩尔多巴胺的测定

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A novel electrochemical sensor for sensitive detection of methyldopa at physiological pH was developed by the bulk modification of carbon paste electrode (CPE) with graphene oxide nanosheets and 3-(4-amino-3-hydroxy-biphenyl-4-yl)-acrylic acid (3,AA). Applying square wave voltammetry (SWV), in phosphate buffer solution (PBS) of pH7.0, the oxidation current increased linearly with two concentration intervals of methyldopa, one is 1.0x10(-8)-1.0x10(-6)M and the other is 1.0x10(-6)-4.5x10(-5)M. The detection limit (3 sigma) obtained by SWV was 9.0nM. The modified electrode was successfully applied for simultaneous determination of methyldopa and hydrochlorothiazide. Finally, the proposed method was applied to the determination of methyldopa and hydrochlorothiazide in some real samples.

机译：通过使用氧化石墨烯纳米片和3-（4-氨基-3-羟基-联苯-4-基）-丙烯酸对碳糊电极（CPE）进行批量修饰，开发了一种在生理pH下灵敏检测甲基多巴的新型电化学传感器（3，AA）。应用方波伏安法（SWV），在pH7.0的磷酸盐缓冲溶液（PBS）中，氧化电流随甲基多巴的两个浓度间隔线性增加，一个为1.0x10（-8）-1.0x10（-6）M，另一个为其他为1.0x10（-6）-4.5x10（-5）M。 SWV获得的检测极限（3σ）为9.0nM。修饰电极成功用于甲基多巴和氢氯噻嗪的同时测定。最后，将该方法用于实际样品中甲基多巴和氢氯噻嗪的测定。

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来源
《Electroanalysis》 |2015年第10期|共10页
作者
Mohammadi Seyed Zia; Beitollahi Hadi; Jasemi Malihe; Akbari Ali;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
Methyldopa; Hydrochlorothiazide; Graphene oxide nanosheets; Voltammetry; Drug analysis;

机译：甲基多巴;氢氯噻嗪;氧化石墨烯纳米片;伏安法;药物分析;

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1. Nanomolar Determination of Methyldopa in the Presence of Large Amounts of Hydrochlorothiazide Using a Carbon Paste Electrode Modified with Graphene Oxide Nanosheets and 3-(4-Amino-3-hydroxy-biphenyl-4-yl)-acrylic Acid [J] . Mohammadi Seyed Zia, Beitollahi Hadi, Jasemi Malihe, Electroanalysis . 2015,第10期

机译：使用氧化石墨烯纳米片和3-（4-氨基-3-羟基-联苯-4-基）-丙烯酸修饰的碳糊电极在大量氢氯噻嗪存在下纳米摩尔多巴胺的测定
2. Fabrication of electrochemical nanosensor based on carbon paste electrode modified with graphene oxide nano-ribbons and 3-(4 '-amino-3 '-hydroxy-biphenyl-4-yl)-acrylic acid for simultaneous detection of carbidopa and droxidopa [J] . Jahani Peyman Mohammadzadeh, Tajik Somayeh, Beitollahi Hadi, Research on Chemical Intermediates . 2019,第10期

机译：基于石墨烯纳米带和3-（4'-氨基-3' - 羟基苯基-4-基-4-基）丙烯酸的电化学纳米传感器的制备碳浆料和3-（4'-氨基-3'-羟基苯基-4-基）同时检测碳粉醛和溴化葡萄球菌
3. Application of a nanostructured sensor based on graphene- and ethyl 2-(4-ferrocenyl[1,2,3]triazol-1-yl)acetate-modified carbon paste electrode for determination of methyldopa in the presence of phenylephrine and guaifenesin [J] . Beitollahi Hadi, Movlaee Kaveh, Ganjali Mohammad Reza, Applied Organometallic Chemistry . 2018,第4期

机译：基于石墨烯和乙基2-（4-二烯基[1,2,3]三唑-1-基）乙酸盐改性碳浆料电极在苯乙烯和肺泡蛋白存在下施用纳米和乙基[1,2,3]三唑-1-基）乙酸乙酯的施用方法
4. Amperometric nanosensor based on carbon nanotubes paste electrode modified with aminophenol for determination of trace amounts of penicillamine in the presence of uric acid [C] . 2010 International Conference on Enabling Science and Nanotechnology . 2010

机译：基于氨基酚修饰的碳纳米管糊状电极的安培纳米传感器，用于在尿酸存在下测定痕量的青霉素
5. PART I: ANODIC OXIDATION PATHWAYS OF SUBSTITUTED INDOLES. PART II: ANALYTICAL APPLICATIONS OF CHEMICALLY MODIFIED CARBON PASTE ELECTRODES. [D] . CHEEK, GRAHAM TERRY. 1978

机译：第一部分：取代的吲哚的阳极氧化途径。第二部分：化学改性的碳糊电极的分析应用。
6. Voltammetric Determination of Penicillamine Using a Carbon Paste Electrode Modified with Multiwall Carbon Nanotubes In the Presence of Methyldopa as a Mediator [O] . Fardin Safari, Mohsen Keyvanfard, Hassan Karimi-Maleh, 2017

机译：甲基多巴为介质的多壁碳纳米管修饰碳糊电极伏安法测定青霉胺
7. Simultaneous Voltammetric Determination of Mefenamic Acid and Paracetamol using Graphene Nanosheets/Nickel Oxide Nanoparticles Modified Carbon Paste Electrode [O] . Ali Naeemy, Rozhina Gholam-Shahbazi, Ali Mohammadi 2017

机译：使用石墨烯纳米液/氧化镍纳米粒子改性碳浆电极同时伏安测定Mefenamic酸和扑热氨基酚

Nanomolar Determination of Methyldopa in the Presence of Large Amounts of Hydrochlorothiazide Using a Carbon Paste Electrode Modified with Graphene Oxide Nanosheets and 3-(4-Amino-3-hydroxy-biphenyl-4-yl)-acrylic Acid

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