Selective Recognition of Endosulfan Pesticide in Environmental Matrix with Molecularly Imprinted Polymer Membrane

摘要

The excessive and uncontrolled uses of Endosulfan pesticide in crops have raised an alarm for its toxicity not only in crops but also in drinking water. So, it has become imperative to detect and separate the hazardous pesticide Endosulfan from contaminated water. In present studies, molecularly imprinted membrane has been fabricated for the specific recognition of Endosulfan pesticide, which is widely being used in controlling insects. The composite membranes have been prepared by using Methacrylic acid (MAA) as functional monomer and Ethylene Glycol Di Methyl Acrylate (EGDMA) as cross linker. MAA was chosen as a functional monomer, as it is capable of strong electrostatic interactions with Endosulfan. The molecular imprinting of Endosulfan on membrane matrix was confirmed by the Solid Phase Extraction (SPE), UV-Visible spectrophotometer, Fourier Transform Infra-Red (FTIR) Spectrophotometry and Scanning Electron Microscopy (SEM). This was followed by sensing of the herbicide by SPE measurements.