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Sensors

Electrochemical Analysis of L-Tyrosine Sensor Using Ball-Milled Duplex Stainless Steel Alloy Powder

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— 1 min read

Researchers at the School of Sciences and Humanities have developed an electrochemical sensor for the determination of L-Tyrosine using ball-milled duplex stainless steel alloy powder. The study demonstrates the excellent electrochemical properties of the modified carbon paste electrode, which shows a good current response in the cyclic voltammetry technique. The sensor exhibits a limit of quantification (LOQ) of 0.731 μM and a limit of detection (LOD) of 0.219 μM. This research has significant implications for the detection of L-Tyrosine, a crucial amino acid involved in stress regulation and protein synthesis.

Key Takeaways:

  • The researchers used ball-milled duplex stainless steel alloy powder to create a modified carbon paste electrode (DS-MCPE) for electrochemical analysis.
  • The DS-MCPE exhibits excellent electrochemical properties, with a calculated active surface area of 0.593 cm².
  • The study demonstrates the use of cyclic voltammetry (CV) technique for determining L-Tyrosine with the DS-MCPE.
  • The sensor shows a good current response in the presence of L-Tyrosine, with a variability in the current response at different concentrations.
  • The researchers reported the current response at different concentrations of the modifier, different scan rates, different concentrations of L-Tyrosine, and at different pH.
  • The bare carbon paste electrode (BCPE) and DS-MCPE's calculated active surface areas are 0.076 and 0.593 cm², respectively.
  • The study concludes that the manufactured DS-MCPE has a limit of quantification (LOQ) of 0.731 μM and a limit of detection (LOD) of 0.219 μM.

Statistics:

  • 0.076 cm² – Calculated active surface area of bare carbon paste electrode (BCPE).
  • 0.593 cm² – Calculated active surface area of modified carbon paste electrode (DS-MCPE).
  • 0.731 μM – Limit of quantification (LOQ) of the manufactured DS-MCPE.
  • 0.219 μM – Limit of detection (LOD) of the manufactured DS-MCPE.

Sources:

  • NewsRx. Researchers from School of Sciences and Humanities Detail New Studies and Findings in the Area of Chemicals and Chemistry (Electrochemical Analysis of L-tyrosine Sensor Using Ball-milled Duplex Stainless Steel Alloy Powder). Chemicals & Chemistry. July 11, 2025; p 4909.
  • Inorganic Chemistry Communications. "Electrochemical Analysis of L-tyrosine Sensor Using Ball-milled Duplex Stainless Steel Alloy Powder." Inorganic Chemistry Communications, 2025;177.
  • Elsevier. Inorganic Chemistry Communications. www.journals.elsevier.com/inorganic-chemistry-communications/
  • School of Sciences and Humanities. Department of Basic Sciences, Warangal 506371, Telangana, India.

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