Flexible modified plastic strips coated polyaniline/graphene composite for electrochemical biosensors

被引：0

作者：

Sangeetha, D. N. ^{[1
]}

Pooja, H. ^{[1
]}

Bhandary, Savisha ^{[1
]}

Shetty, Yashaswini ^{[1
]}

Subashchandrabose, Raghu ^{[2
]}

Selvakumar, M. ^{[1
]}

机构：

[1] Manipal Acad Higher Educ, Manipal Inst Technol, Dept Chem, Manipal 576104, India

[2] Vistas Vels Univ, CARD Chem, Chennai 600117, Tamil Nadu, India

来源：

INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 2020年 / 59卷 / 05期

关键词：

Polyaniline; Graphene; Uric acid; Ascorbic acid; Electrochemical biosensor; URIC-ACID; ASCORBIC-ACID; SELECTIVE DETERMINATION; AMPEROMETRIC BIOSENSOR; GRAPHENE; NANOFIBERS; DOPAMINE; NANOTUBES; FILM;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polyaniline(PANT)/graphene modified flexible, disposable polyester overhead projector (OHP) strips for non-enzymatic detection of ascorbic acid (AA) and uric acid (UA) is demonstrated in the current work. The deposition of PANI on the 3-aminopropyltrimethoxy silane (APTMS) modified OHP have been optimized through electrochemical impedance spectroscopy. Graphene is coated on another end. The PANI/graphene coating is confirmed through scanning electron microscopy. UA and AA detection have been carried out using the standard electrochemical techniques like cyclic voltammetry and chronoamperometry. The study reveals that the composite of PANI/graphene exhibits good sensing towards the detection of UA and AA. During the detection of UA and AA, PANI/graphene has showed enhanced current density with quick response and a linear concentration range of 10 to300 mu M for UA and 30 to 80 mu M for AA. These flexible sensor strips may be of great potential in real-time UA and AA detection.

引用

页码：616 / 624

页数：9

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