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- Title
Cost Effective Electrochemical Sensor for L‐Methionine Based on Graphitic Carbon Nitride Sheets Modified Electrode.
- Authors
Ajith, Ajay; John, S. Abraham
- Abstract
L‐methionine (L−Me) deficiency in human body leads to several complications. In the present work, graphitic carbon nitride nanosheets (GCN−S) modified glassy carbon electrode (GC/GCN−S) was developed as a cost effective electrochemical sensor for L−Me. The oxidation of L−Me at bare GC electrode shows an ill‐defined peak and it was unstable whereas a well‐defined stable oxidation peak was obtained at GC/GCN−S electrode. While increasing L−Me concentration from 100 nM to 0.2 mM, the amperometric current increases linearly with R2=0.9901 and LOD was found to be 0.32 nM (S/N=3). Finally, GC/GCN−S electrode was used to determine L−Me in blood serum samples.
- Subjects
ELECTROCHEMICAL sensors; NITRIDES; CARBON electrodes; ELECTRODES; CARBON; NANOSTRUCTURED materials
- Publication
Electroanalysis, 2023, Vol 35, Issue 2, p1
- ISSN
1040-0397
- Publication type
Article
- DOI
10.1002/elan.202200063