نتایج جستجو برای: uranyl nitrate

تعداد نتایج: 34757  

Journal: :Chemical communications 2013
Aaron C Sather Orion B Berryman Curtis E Moore Julius Rebek

Uranyl complexes of rigid aromatic carboxylates were synthesized and their solid-state structures characterized by X-ray crystallography. The new ligands create cavities lined with endohedral functions to encapsulate the uranyl ion.

Journal: :The Journal of clinical investigation 1980
P S Avasthi A P Evan D Hay

In uranyl nitrate (UN)-induced acute renal failure (ARF) glomerular ultrafiltration coefficient (K(f)) decreases because of unknown reasons. Since transport of water across the glomerular capillary wall occurs predominantly extracellularly through the endothelial fenestrae (EF), a reduction in the diameter and/or the density of EF can reduce the extracellular filtration area and the glomerular ...

Journal: :Journal of Coordination Chemistry 2022

Two complexes, [R,S-Me6cyclamH2][(UO2)3(thftc)2] (1) and [(UO2)3(thftc)2Cu(R,S-Me6cyclam)]⋅2H2O (2), have been obtained from reaction of uranyl nitrate with (2R*,3R*,4S*,5S*)-tetrahydrofurantetracarboxylic acid (H4thftc) under solvo-hydrothermal conditions in the presence either R,S-Me6cyclam⋅4HNO3 or [Cu(R,S-Me6cyclam)(NO3)2] (R,S-Me6cyclam = 7(R),14(S)-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra...

Journal: :Chemical communications 2015
Chu-Ting Yang Jun Han Mei Gu Jun Liu Yi Li Zeng Huang Hai-Zhu Yu Sheng Hu Xiaolin Wang

Fluorescent recognition of uranyl ions was achieved using a phosphorylated cyclic peptide, which can be used as a fluorescent sensor for the detection of uranyl ions with high selectivity and sensitivity.

Journal: :Dalton transactions 2012
Polly L Arnold Guy M Jones Qing-Jiang Pan Georg Schreckenbach Jason B Love

Expansion of a Schiff-base polypyrrolic macrocycle allows the formation of a binuclear uranyl complex with co-linear uranyl ions and a very short oxo-oxo distance.

Journal: :Dalton transactions 2012
Krishna Hassomal Birjkumar Nicholas D Bryan Nikolas Kaltsoyannis

The geometries, relative energies and spectroscopic properties of a range of α-isosaccharinate complexes of uranyl(VI) are studied computationally using ground state and time-dependent density functional theory. The effect of pH is accommodated by varying the number of water and hydroxide ligands accompanying isosaccharinate in the equatorial plane of the uranyl unit. For 1 : 1 complexes, the c...

2016
Qingchun Zhang Bo Jin Zhaotao Shi Xiaofang Wang Qiangqiang Liu Shan Lei Rufang Peng

A series of novel hexadentate enterobactin analogues, which contain three catechol chelating moieties attached to different molecular scaffolds with flexible alkyl chain lengths, were prepared. The solution thermodynamic stabilities of the complexes with uranyl, ferric(III), and zinc(II) ions were then investigated. The hexadentate ligands demonstrate effective binding ability to uranyl ion, an...

Journal: :Inorganic chemistry 2016
Zhuanling Bai Yanlong Wang Yuxiang Li Wei Liu Lanhua Chen Daopeng Sheng Juan Diwu Zhifang Chai Thomas E Albrecht-Schmitt Shuao Wang

By controlling the extent of hydrolysis during the self-assembly process of a zwitterionic-based ligand with uranyl cations, we observed a structural evolution from the neutral uranyl-organic framework [(UO2)2(TTTPC)(OH)O(COOH)]·1.5DMF·7H2O (SCU-6) to the first cationic uranyl-organic framework with the formula of [(UO2)(HTTTPC)(OH)]Br·1.5DMF·4H2O (SCU-7). The crystal structures of SCU-6 and SC...

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