Molecularly imprinted polymers for chemical sensing in environmental applications AHerrera Chacon

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ICN2 Severo Ochoa Workshop on Environmental Monitoring and Remediation • Title: Molecularly imprinted polymers for chemical sensing in environmental applications • Speaker: Anna Herrera-Chacon (UAB) • • Abstract: • Molecularly Imprinted Polymers are gaining attention among the scientific community thanks to their excellent capabilities to create tailored made cavities towards specific analytes so-called templates. These polymers can act as artificial receptors to improve sensing performance and response, overcoming the inherent limitations in (bio)sensing field. They can be used similarly as antibodies and aptamers are used but in a broader range out of the strict physiological conditions. There is a plethora of possibilities to obtain different materials with this binding affinity, depending on the method or type of polymerisation. This is why, they are becoming more popular and used in different applications and fields such as clinical, medical, forensic, and environmental. If focusing on the environmental field, one of the most interesting properties that these polymers can offer is the enrichment features. This can be used to lower the limits of detection of hazardous species and their analogue structures. As illustration of these ideas, in this communication we present the development of a voltammetric sensor to identify, detect and quantify 2,4,6- trinitrotoluene (TNT) using a dummy template to facilitate imprinting process. The developed sensors demonstrate its ability to discriminate this hazardous species in the environment, together with several other nitro aromatic compounds that may be derived products of its biodegradation. • ----------------------------------------------------------------------------------------- • The workshop on Environmental Monitoring and Remediation brought together leading academic scientists, researchers, scholars and industry representatives to exchange and share their experiences and results on all the aspects involved in pollutant detection, monitoring, scavenging and degradation. The workshop topics also covered the life-cycle of nanomaterials as potential pollutants and their impact on the ecosystem. This Action is held within the framework of the 2018-2021 Excelencia Severo Ochoa Programme. • The event, which took place at the Casa de Convalescencia in Barcelona on December 16-17 2021, was organised by Dr Neus Bastús, CSIC Tenured Scientist in the Inorganic Nanoparticles Group, Dr Maria José Esplandiu, CSIC Scientific Researcher in the Magnetic Nanostructures Group, and Jessica Casandra Ramírez, Doctoral Student in the Magnetic Nanostructures Group. • Event website: https://icn2.cat/en/severo-ochoa-work... • News item about the event: icn2.cat/en/news/4799-icn2-severo-ochoa-workshop-on-environmental-monitoring-and-remediation

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