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Bi-functional membranes/sorbents have been prepared by anchoring cross-linked poly(ethylene glycol methacrylate phosphate-co-2-acrylamido-2-methyl-1-propane sulfonate) (poly(EGMP-co-AMPS)) in pores of the microporous substrates by in situ photo-polymerization. Thus prepared materials are found to sorb U(VI) from seawater (98%) as well as from 4molL−1 HNO3 (80%). The poly(EGMP-co-AMPS) (1:1) could...
The amidoximated macroporous membranes (AO membranes) were prepared by post irradiation grafting of acrylonitrile (AN) onto thermally bonded non-woven matrix of poly(propylene) sheet using electron beams. These precursor membranes were reacted with hydroxylamine to convert AN to AO groups, and conditioned by treating them with 2.5% KOH at 80°C for 1 h. The water uptake capacity in seawater, Na ...
A two-dimensional biomimetic optrode for the detection and quantification of uranium in natural waters was fabricated. The sensing element was designed by the inclusion of uranyl ion imprinted polymer particles into polymethyl methacrylate followed by casting a thin film on a glass slide without any plasticizer. The ion imprinted polymer material was prepared via covalent immobilization of the newly...
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