نتایج جستجو برای: lanthanum compounds

تعداد نتایج: 229824  

2009
Michael Smyth Birgitt Gellert Raymond D. Pratt

Recent advances in understanding the clinical and genetic heterogeneity of Dent's disease. D'mello RG et al. Responsiveness of hyper-calciuria to thiazide in Dent's disease. Acute interstitial nephritis associated with thiazide diuretics. Clinical and pathologic observations in three cases. Effect of hy-drochlorothiazide on urinary calcium excretion in Dent disease: an uncontrolled trial. Sir, ...

Journal: :Chemical engineering research & design 2022

A novel activation route for the preparation of carbon-based adsorbents functionalized with lanthanum and their application arsenic adsorption was proposed. This procedure is based on carbon dioxide at room temperature, which could allow to reduce energy consumption adsorbent cost. comparison this approach respect conventional thermal 800 °C under N2 atmosphere performed biochar from avocado se...

Journal: :Nanoscale 2013
Irene Emmanuelawati Jie Yang Jun Zhang Hongwei Zhang Liang Zhou Chengzhong Yu

A facile spray drying technique has been developed for large-scale and template-free production of nanoporous silica with controlled morphology, large pore size, and high pore volume, using commercially available fumed silica, Aerosil 200, as a sole precursor. This approach can be applied to the preparation of functional nanoporous materials, in this study, lanthanum oxide functionalised silica...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2009
Ellen Neven Geert Dams Andrei Postnov Bing Chen Nora De Clerck Marc E De Broe Patrick C D'Haese Veerle Persy

BACKGROUND Hyperphosphataemia is a risk factor for arterial calcification contributing to the high cardiovascular mortality in patients with chronic kidney disease. Calcium-based phosphate binders can induce hypercalcaemia and are associated with progression of vascular calcification. Therefore, the effect of lanthanum carbonate, a non-calcium phosphate binder, on the development of vascular ca...

Journal: :Physical review. B, Condensed matter 1993
Norman McMullan Novikov Freeman

We present a series of detailed band calculations on the various structural phases of doped lanthanum cuprate: HTT, LTO, and LTT. The LTO distortion is shown to have little effect on the electronic density of states (DOS). A fit to the pressure dependence of the superconducting transition temperature indicates that only 2.5% of the DOS is affected by the HTT→ LTO transition. The LTT distortion ...

2002
C. A. da Silva Queiroz A. Abrao

An analytical method for the determination of traces of rare earth elements (REE) as impurities in high pure lanthanum oxide (La O ) 2 3 ́ produced in the Instituto de Pesquisas Energeticas e Nucleares (IPEN) and compared with the oxide of commercial lanthanum as a certified reference is discussed in this work. The REE as impurities in the lanthanum oxide were separated from the matrix by a high...

Journal: :Russian Journal of Coordination Chemistry 2022

Abstract Tetranuclear hydroxo complexes [La 4 (Deta) (OH) (Tfa) 3 (DetadcH) 2 ](HTfa)(H O) 7 ( I ) and [Nd ](H n II with diethylene- N , ′-dicarbamate anions (DetadcH – are synthesized for the first time by reactions of lanthanum trifluoroacetate neodymium a solution diethylenetriamine in air under self-controlled hydrolysis conditions characterized X-ray diffraction, powder IR spectroscopy, el...

Journal: :American Journal of Modern Physics 2022

We use the idea of Wigner probability distribution (WPD) in a reduced scattering phase space (RPS) for elastic cross-section, with help Tight-Binding (TB) numerical procedure allowing us to consider anisotropic quantum effects, phenomenologically predict several phases these two novel unconventional superconductors. Unlike our previous works pieces evidences that compounds are unitary strong re...

Journal: :British journal of pharmacology 1979
J Cohen Y Gutman

1. The release of catecholamines (CA) from rat adrenal incubated in vivo in Locke solution was studied. 2. Acetylcholine-induced release of CA and CA release by 56 mM KCl were inhibited by verapamil and lanthanum chloride which block calcium permeability. 3. CA secretion induced by salbutamol or by theophylline was unaffected by either verapamil or lanthanum chloride. 4. Dantrolene-sodium inhib...

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