Publications by authors named "Piyawan Leepheng"

This study focused on enhancing the sensitivity and selectivity to detect melamine by utilizing a photoelectrochemical method. This was achieved by combining a melamine-imprinted polymer with a CuO/g-CN nanocomposite, which was synthesized through chemical precipitation and calcination. The resulting nanocomposite exhibits improved carrier mobility and photoelectrochemical properties.

View Article and Find Full Text PDF

Melamine contamination in food and beverages affects short- and long-term health. In this work, enhanced sensitivity and selectivity in photoelectrochemical determination for melamine detection was achieved using copper(ii) oxide (CuO) combined with a molecularly imprinted polymer (MIP). A CuO nanomaterial was used to achieve MIP surface modification co-precipitation synthesis.

View Article and Find Full Text PDF
Article Synopsis
  • Novel molecularly imprinted polymers (MIPs) are used for electrochemical detection but have low sensitivity, which can be enhanced by incorporating nanomaterials like superparamagnetic iron oxide nanoparticles (SPIONs).
  • SPIONs improve charge transfer and carrier mobility, making the modified MIP (MMIP) effective for gluten detection when integrated with a carbon-plate electrode.
  • The MMIP system demonstrates a dynamic linear detection range of 5-50 ppm and achieves a low detection limit of 1.50 ppm, surpassing FDA standards and showing excellent selectivity and stability.
View Article and Find Full Text PDF