Results 11 to 20 of about 2,396 (221)
Synthetic and Structural Chemistry of Uranyl-Amidoxime Complexes: Technological Implications
Chemistry, 2023 Resource shortage is a major problem in our world. Nuclear energy is a green energy and because of this and its high energy density, it has been attracting more and more attention during the last few decades.
Sokratis T. Tsantis +3 more
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Carbohydrate Polymer Technologies and ApplicationsThe use of modified cellulose for the removal of heavy metal ions is a promising method to enhance the efficiency of metal ion extraction from water. In this study, cellulose was grafted with acrylonitrile to produce a polyacrylonitrile-grafted cellulose.
Md Lutfor Rahman +6 more
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The Study of Amidoxime-Functionalized Cellulose Separate Th(IV) from Aqueous Solution
Gels, 2022 Selective extraction of low-concentration thorium (Th(IV)) from wastewater is a very important research topic. In this paper, amidoxime cellulose was synthesized, and its composition and structure were characterized by FT-IR, SEM, XPS, and elemental ...
Yiling Zhi +6 more
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Resinas quelantes amidoxímicas Amidoxime chelating resins
Polímeros, 1999 Resinas quelantes com grupos amidoxima foram sintetizadas por copolimerização em suspensão de acrilonitrila (AN) e divinilbenzeno (DVB) e subsequente modificação química dos grupos ciano por reação com hidroxilamina.
Fernanda M. B. Coutinho +2 more
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Advanced Science, 2022 Seawater contains uranium at a concentration of ≈3.3 ppb, thus representing a rich and sustainable nuclear fuel source. Herein, an adsorption–electrocatalytic platform is developed for uranium extraction from seawater, comprising atomically dispersed ...
Xiaolu Liu +7 more
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Enhanced Thermodynamic Stability of UO<sub>2</sub> <sup>2+</sup> Complex Through Structure Preorganization of N<sub>3</sub>O<sub>2</sub>-Pentadentate Planar Ligand for Uranium Harvesting from Seawater. [PDF]
Adv Sci (Weinh)Thanks to the appropriate structure preorganization of an N3O2‐pentadentate planar ligand, 2,6‐bis(2‐hydroxyphenylmethylaminomethyl)pyridine (H2saldamp) exhibits the strongest coordination affinity to UO22+ (log βU = 33.60) compared to ligands developed for uranium harvesting from seawater to date, as well as good separability of UO22+ from other metal
Nabata R, Tsushima S, Takao K.
europepmc +2 more sources
Transformation details of poly(acrylonitrile) to poly(amidoxime) during the amidoximation process
RSC Advances, 2021 During the amidoximation process, transformation details of poly(acrylonitrile) (PAN) to poly(amidoxime) (PAO) is critical for optimizing amidoximation conditions, which determine the physicochemical properties and adsorption capabilities of PAO-based materials.
Dadong Shao +4 more
openaire +3 more sources
Membranes, 2023 Mixed matrix membranes (MMMs) generally have some fatal defects, such as poor compatibility between the two phases leading to non-selective pores. In this work, PIM-1 was chosen as the polymer matrix, and UiO-66 modified with amidoxime (UiO-66-AO) was ...
Jiaming Gao +9 more
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Metals, 2022 An amidoxime and carboxylate containing polymer adsorbent derived from acrylic fiber has shown extremely high efficiencies for extracting critical materials and precious metals from seawater.
Horng-Bin Pan +3 more
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Diethyl (5-Benzyl-2-(4-(N′-hydroxycarbamimidoyl)phenyl)-5-methyl-4,5-dihydrofuran-3-yl)phosphonate
Molbank, 2023 As part of our ongoing research into the antileishmanial properties of amidoxime derivatives, we report a preliminary assessment of the antiparasitic properties of a novel compound, diethyl (5-benzyl-2-(4-(N′-hydroxycarbamimidoyl)phenyl)-5-methyl-4,5 ...
Oscar Leonardo Avendaño Leon +7 more
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