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Title

Novel hierarchical composite electrode construction based on magnetic nanoparticles: Application for impedimetric thyroxine hormone determination in human blood samples

کنگره ملی شیمی ونانو شیمی از پژوهش تا توسعه ملی
Year: 1396
COI: MRSS01_050
Language: EnglishView: 348
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Authors

Jamal Kouhdareh - Department of Chemistry, Bu-Ali Sina University, Hamadan, Iran.Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran
Hassan Keypour - Department of Chemistry, Bu-Ali Sina University, Hamadan, Iran.
Zahra Molla Agha Baba
Mohaddeseh Mikani - Young Researchers and Elite Club, North Tehran Branch, Islamic Azad University, Tehran, Iran

Abstract:

As a novel performance, silicon oxide was firstly loaded on Fe3O4 magnetic nanoparticles substrate (Fe3O4@SiO2), and then functionalized with -NH2 group (Fe3O4@SiO2@NH2). The resultant array was reacted with terephthalaldehyde schiff-base to fabricate novel hierarchical magnetic nano-composites. A sensitive sensor involving immobilized gold nanoparticles and nano-composites in electropolymerized polypyrrole was achieved. Cyclic voltammetry (CV), scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS) techniques were demonstrated the morphology of modified electrode s surface and electrochemical behavior of thyroxine on this platform. We believe that such kind of bio-devices possesses the prominent potential to trace determination of bio-compounds in biological fluids with excellent accuracy and precise analysis. This sensor covered a linear concentration range from 10 to 210 nM of thyroxine with the detection limit of 8 nM.

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This Paper COI Code is MRSS01_050. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

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Kouhdareh, Jamal and Keypour, Hassan and Molla Agha Baba, Zahra and Mikani, Mohaddeseh,1396,Novel hierarchical composite electrode construction based on magnetic nanoparticles: Application for impedimetric thyroxine hormone determination in human blood samples, National Congress on Chemistry and nano-chemistry, from research to national development ,Tehran,https://civilica.com/doc/718148

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Type of center: پژوهشگاه دولتی
Paper count: 1,602
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