Enhanced Performance of Flexible Electrochemical Sensor by PolypyrroleMicroparticles Decorated Laser-induced Graphene For SimultaneousDetection of Dopamine and Ascorbic Acid

سال انتشار: 1403
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 30

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شناسه ملی سند علمی:

ISPST16_319

تاریخ نمایه سازی: 10 آبان 1403

چکیده مقاله:

This work introduces a flexible sensing platform based on laser-induced graphene and polypyrrolemicroparticles (LIG/PPy) for the concurrent and selective determination of dopamine and Ascorbicacid.The LIG was fabricated by scribing the flexible polyimide substrate via CO۲ Laser with an optimizedpower intensity, and the conductive polymer was electrochemically deposited on its surface.Due to the presence of conductive polymer, electrical conductivity and electrochemical active siteswere drastically enhanced and excellent selectivity and sensitivity were recorded for DA and AA.The linear response for both materials was obtained in the ranges of ۵pM-۱۸۰uM and ۰.۵-۵۰ uM,respectively.

نویسندگان

Mahsa Heydari

Center for Nanoscience and Nanotechnology, Institute for Convergence Science & Technology (ICST), SharifUniversity of Technology, Tehran, Iran

Mojtaba Taghipoor

Micro and Nanosystem Lab (MNSL), Department of Mechanical Engineering, Sharif University ofTechnology, Tehran, Iran

Elham Asadian

Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine,Shahid Beheshti University of Medical Sciences, Tehran ۱۹۸۳۹-۶۳۱۱۳, Iran

Mohaddeseh Vafaiee

Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran

Raheleh Mohammadpour

Center for Nanoscience and Nanotechnology, Institute for Convergence Science & Technology (ICST), SharifUniversity of Technology, Tehran, Iran