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October 16, 2025ChemijaOpen Access

Beyond potentiometry: an amperometric approach to urea detection using antimony electrodes

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Authors

JMJustas MiškinisInstitute of PsychologyMDMarius DagysVilnius UniversityJRJulija RazumienėVilnius University

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Overview

This amperometric biosensor shows strong correlation with a colorimetric assay in biological samples, suggesting effective urea detection.

Key Points

  • The biosensor demonstrated high sensitivity, with a range from 306.6 to 77.5 nA/mM depending on buffer conditions.
  • Stability tests revealed the sensor retained 65% of its initial activity after 10 days at room temperature.
  • Validation with biological samples indicated lower urea concentrations compared to a colorimetric method, affecting performance.
  • The developed biosensor is a cost-effective platform for urea detection, with potential in point-of-care diagnostics.

Cite This Study

Miškinis et al. (2025) studied this question.

synapsesocial.com/papers/68f10ecee6a12fd04289982fhttps://doi.org/10.6001/chemija.2025.36.3.1
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