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A co-pillar[5]arene sensor for linear biogenic amines.

Raghuram Reddy Kothur1, Bhavik Anil Patel, Peter J Cragg

  • 1School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton, BN2 4GJ, UK. P.J.Cragg@brighton.ac.uk.

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A novel thiolated co-pillar[5]arene was immobilized on a gold electrode surface. This electrode demonstrated selective electrochemical detection of linear biogenic amines.

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Area of Science:

  • Electrochemistry
  • Supramolecular Chemistry
  • Analytical Chemistry

Background:

  • Gold electrodes are widely used in electrochemical sensing.
  • Pillar[5]arenes are macrocyclic hosts with tunable properties.
  • Biogenic amines are important analytes in biological and environmental samples.

Purpose of the Study:

  • To develop a novel sensor for the selective detection of biogenic amines.
  • To investigate the electrochemical behavior of a thiolated co-pillar[5]arene modified gold electrode.

Main Methods:

  • Synthesis and characterization of the thiolated co-pillar[5]arene.
  • Immobilization of the co-pillar[5]arene onto a gold electrode surface.
  • Voltammetric analysis of biogenic amines using the modified electrode.

Main Results:

  • The thiolated co-pillar[5]arene was successfully attached to the gold electrode.
  • The modified electrode exhibited a selective voltammetric response to linear biogenic amines.
  • The sensor showed potential for distinguishing between different biogenic amines.

Conclusions:

  • Thiolated co-pillar[5]arenes are suitable for creating selective electrochemical sensors.
  • The developed sensor offers a promising approach for biogenic amine detection.