Vol 66 No 2 (2021): Journal of the Chilean Chemical Society
Original Research Papers


María Guadalupe Sánchez
Universidad Autónoma de Nuevo León
Elisa Garza
Universidad Autónoma de Nuevo León
Nancy Pérez
Universidad Autónoma de Nuevo León
Bernabé Rivas
Universidad de Concepción
Perla Elizondo
Universidad Autónoma de Nuevo León
Published June 13, 2021
  • Imprinted polymer, Recognition, Dye, Basic Blue 41
How to Cite
Sánchez, M. G., Garza , E., Pérez, N., Rivas, B. L., & Elizondo, P. (2021). MOLECULARLY IMPRINTED POLYMER FOR THE BINDING AND RECOGNITION OF BASIC BLUE 41 DYE. Journal of the Chilean Chemical Society, 66(2), 5215-5219. Retrieved from


This study reports a novel imprinted molecular poly(ethylene terephatalate) (MIPBB41) for the binding and selective recognition of an azoic dye (basic blue 41) by a non-covalent imprinting approach. Basic blue 41 (BB41) was chosen as the template molecule, acrylic acid-grafted polyethylene terephthalate (PET-g-AA), and N,N’-methylene-bis-acrylamide (MBA) were used as the functional polymer and crosslinking reagent respectively. To determine the binding capacity of MIPBB41, several adsorption studies were performed. The adsorption isotherm was described by the Langmuir model, and the maximum adsorption capacity of MIPBB41 toward basic blue 41 reached 144.8 mg g-1in water at pH 6.2. The fabricated MIP showed good recognition properties. In a further experiment, the adsorption capacity of the MIP was compared to the non-imprinted polymer (NMIP), and a recognition coefficient of 3.14 was obtained.





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