Electrochemical determination of sulfur-containing amino acid on Screen-Printed Carbon Electrode modified with Graphene Oxide

被引：7

作者：

Sasikumar, Ragu ^{[1
]}

Ranganathan, Palraj ^{[2
]}

Chen, Shen-Ming ^{[1
]}

Kavitha, Thavuduraj ^{[3
]}

Lee, Shih-Yi ^{[4
]}

Chen, Tse-Wei ^{[1
]}

Chang, Wen-Han ^{[5
,6
,7
]}

机构：

[1] Natl Taipei Univ Technol, Dept Chem Engn & Biotechnol, 1 Sect 3,Chung Hsiao East Rd, Taipei 106, Taiwan

[2] Natl Taipei Univ Technol, Inst Organ & Polymer Mat, 1 Sect 3,Chung Hsiao East Rd, Taipei 106, Taiwan

[3] Sri S Ramasamy Naidu Mem Coll, Dept Chem, Sattur, Tamil Nadu, India

[4] MacKay Mem Hosp, MacKay Med Nursing & Management Coll, Div Pulm & Crit Care Med, Taipei, Taiwan

[5] MacKay Mem Hosp, MacKay Mem Coll, Dept Cardiol, Taipei, Taiwan

[6] Natl Taipei Univ Technol, MacKay Mem Hosp, Inst Mechatron Engn, Dept Emergency Med, Taipei, Taiwan

[7] Taipei Med Univ, Grad Inst Injury Prevent & Control, Dept Med, Taipei, Taiwan

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 05期

关键词：

Graphene oxide; L-Met; lecithin; screen-printed carbon electrode; differential pulse voltammetry; ELECTROPOLYMERIZED FILM; METHIONINE; OXIDATION; INTERCALATION; CYSTEINE; METAL;

D O I：

10.20964/2017.05.05

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The current study discussed with sensitive L-Methionine (L-Met) sensor relative on a graphene oxide (GO) modified screen. printed carbon electrode (SPCE) was developed. The fabricated GO/SPCE displayed an enhanced current (I-pa) response towards L-Met relative to that of a bare SPCE. Under optimum conditions, the GO/SPCE showed a wide linear range at L-Met concentrations of 2-96 mu M. The lower level of detection of 0.18 mu M, and sensitivity of about 6.75 mA mM(-1)cm(-2). The fabricated sensor displays good stability, reproducibility, and repeatability.

引用

页码：4077 / 4085

页数：9

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