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Abstract: Stability of natural antibodies, peptides and enzymes as molecular recognition elements in chemical and biological sensors has been facing threat due to their lack of stability, complicated ethical issues, time taking processes and signal transduction mechanisms limits. Molecularly imprinted polymers (MIPs) with recent advancements have created synthetic materials that can mimic the function of chemical and biological receptors but with less stability constraints, quick synthesis and with no ethical issues. These polymers can provide high sensitivity and selectivity while maintaining excellent thermal and mechanical stability. In the present study molecularly imprinted polymer matrix has been fabricated for the specific recognition of pesticide Deltamethrin, which is being used widely to control insects in crop management system. The composite membranes have been prepared by using methacrylic acid (MAA) as functional monomer, selected by electrostatic interactions based computational simulation and ethylene glycol dimethacrylate (EGDMA) as cross linker. The garbing of deltamethrin MIP on membrane matrix was confirmed by the UV-VIS spectrophotometer, FTIR and Scanning Electron Microscopy (SEM). The detoxification and separation of Deltamethrin was done using a solid phase extraction (SPE) and a specially designed membrane syringe holder, which could separate and detect the herbicide up to a very sensible limit, 20 μg/ml
Template and target information: deltamethrin
Author keywords: sensor, molecularly imprinted polymer (MIP), SPE, membrane syringe holder