Polímeros de impronta molecular y amplificación fotoquímica para el análisis de micotoxinas
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2026
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06/06/2025
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Universidad Complutense de Madrid
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Abstract
La detección precisa y sensible de contaminantes como las micotoxinas representa un desafío prioritario en el ámbito de la seguridad alimentaria. En este contexto, los polímeros de impronta molecular (MIPs),−totalmente artificiales−, se han revelado como una alternativa muy atractiva a los anticuerpos y los correspondientes biosensores, gracias a la notable selectividad al analito, estabilidad química, bajo coste y reusabilidad de los primeros. Esta tesis doctoral se centra en el diseño y desarrollo de métodos analíticos avanzados y dispositivos funcionales basados en MIPs, con el objetivo de mejorar la detección de micotoxinas mediante enfoques innovadores nunca antes utilizados conjuntamente con los MIPs, tales como la electroquimioluminiscencia (ECL), la electroquímica bipolar (BE) y la amplificación fotoquímica. Si bien uno de los fines habituales de nuestra investigación ha sido su aplicación en muestras reales, no todos los sistemas alcanzaron esta fase de validación debido a la novedad de las estrategias exploradas y al necesariamente limitado tiempo de ejecución del trabajo de tesis...
Accurate and sensitive detection of contaminants such as mycotoxins is a priority challenge in the field of food safety. In this context, fully engineered molecular imprinted polymers (MIPs) have emerged as a very attractive alternative to antibodies and the corresponding biosensors due to their high analyte selectivity, chemical stability, low cost and reusability. This thesis focuses on the design and development of advanced analytical methods and functional devices based on MIPs, with the aim of improving mycotoxin detection through innovative approaches never used before in combination with MIPs, such as electrochemiluminescence (ECL), bipolar electrochemiluminescence (BE) and photochemical amplification. Although one of the traditional goals of our research has been to apply them to real samples, not all systems have reached this validation stage due to the novelty of the strategies explored and the necessarily limited timeframe of the doctoral work...
Accurate and sensitive detection of contaminants such as mycotoxins is a priority challenge in the field of food safety. In this context, fully engineered molecular imprinted polymers (MIPs) have emerged as a very attractive alternative to antibodies and the corresponding biosensors due to their high analyte selectivity, chemical stability, low cost and reusability. This thesis focuses on the design and development of advanced analytical methods and functional devices based on MIPs, with the aim of improving mycotoxin detection through innovative approaches never used before in combination with MIPs, such as electrochemiluminescence (ECL), bipolar electrochemiluminescence (BE) and photochemical amplification. Although one of the traditional goals of our research has been to apply them to real samples, not all systems have reached this validation stage due to the novelty of the strategies explored and the necessarily limited timeframe of the doctoral work...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Químicas, leída el 06-06-2025













