Summary
A novel polyimide prepared from 1,4-bis(3-aminopropyl) piperazine and pyromellitic dianhydride (PMDA) was characterized by thermal, FTIR, GPC and microanalysis techniques. Thermal properties of the polyimide were evaluated by differential scanning calorimetry (DSC), differential thermal analysis (DTA) and thermogravimetry (TGA). Moreover, platinum electrodes were covered with this polyimide and permeation properties of the resulting polyimide-coated electrodes to dopamine and ascorbic acid were examined by electrochemical method. On the basis of the permselectivity data obtained, it was found that the polyimide-coated electrode exhibited selective permeation for dopamine while blocking ascorbic acid.
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Paşahan, A., Köytepe, S., Ekinci, E. et al. Synthesis, Characterization anc Dopamine Selectivity of 1,4-bis(3-aminopropyl)piperazine—Containing Polyimide. Polymer Bulletin 51, 351–358 (2004). https://doi.org/10.1007/s00289-004-0239-3
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DOI: https://doi.org/10.1007/s00289-004-0239-3