Authors: Pohle R
, Jeanty P
, Stegmeier S
, Hürttlen J
, Fleischer M
Detection of Explosives based on the Work Function Read-out of Molecularly Imprinted Polymers.
Publication date: 2012
Journal: Procedia Engineering
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1877705812044748
Abstract: The feasibility of explosive detection by means of work function readout of Molecularly Imprinted Polymer (MIPs) layers is investigated for the first time. Work function changes of TNT-imprinted MIP layers (TNT-MIP) have been studied using the Kelvin Probe technique. The response to TNT and different interfering substances has been recorded. The TNT concentrations have been verified by means of on-line IMR-MS analysis and subsequent GC-MS analysis. For TNT-MIP, a significant response to TNT concentrations < 50 ppb and an increased selectivity to TNT compared to non imprinted polymer were obtained
Template and target information: TNT, 2,4,6-trinitrotoluene
Author keywords: explosive detection, molecular imprinted polymer, Kelvin Probe, TNT
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