The present invention relates to a novel composition of matter having utility in the sequestering or complexing of metal ions particularly calcium and / or magnesium ions. More particularly, the present invention is concerned with a unique combination of water – soluble aminopolyacetate demonstrating improved chelating properties. Sequestering agent are employed in a number of applications such...

Bimetallic R u ~ u samples supported on SiO 2, AI203 and MgO were studied by the temperature-programmed reduction (TPR) technique. Experiments were carried out both on unreduced impregnated salts and after oxidation of already reduced samples. The TPR profiles reveal a simultaneous reduction of ruthenium and copper precursors, even though the Ru and Cu in the monometallic catalysts exhibit redu...

We report the synthesis, characterization, and catalytic activity of bimetallic palladium-platinum dendrimer-encapsulated catalysts (DECs). These materials are prepared by co-complexation of different ratios of palladium and platinum salts to the interior tertiary amines of fourth-generation, hydroxyl-terminated poly(amidoamine) (PAMAM) dendrimers. Chemical reduction of these composites yields ...

Current United States Food and Drug Administration (FDA)-approved lithium salts are plagued with a narrow therapeutic window. Recent attempts to find alternative drugs have identified new chemical entities, but lithium's polypharmacological mechanisms for treating neuropsychiatric disorders are highly debated and are not yet matched. Thus, re-engineering current lithium solid forms in order to ...

The search for new drugs that could treat tropical protozoan diseases, such as malaria or neglected tropical diseases (NTDs), motivates many medicinal chemists. New classes of antiprotozoal drugs that act through a novel mechanism of action must be developed. This review presents our efforts toward finding new candidate treatments for malaria, American trypanosomiasis, human African trypanosomi...

With the intention of producing the most comprehensive treatment of the prevalence of crystal polymorphism among structurally characterized materials, all polymorphic compounds flagged as such within the Cambridge Structural Database (CSD) are analysed and a list of crystallographically characterized organic polymorphic compounds is assembled. Classifying these structures into subclasses of anh...

High-yield syntheses of the bromide (1a) and picrate salts (1b) of the 5-azonia-spiro[4]nonane cation [(CH2)4N(CH2)4] are reported. In the single crystal X-ray diffraction analyses of the two salts the spirocyclic quaternary ammonium cations have their five-membered rings in envelop and twist conformations modified by packing forces. The conformation found experimentally for 1a has C2-symmetry ...

INTRODUCTION. METHODS. Staining methods . Chemical methods . THE PROCESS OF DEPOSIT OF CALCIUM SALTS IN BONE. THE PROCESS OF DEPOSIT OF CALCIUM SALTS UNDER PATHOLOGICAL CONDITIONS. In the arterial wall. In chronic inf lammat ion of the pleura. In calcified fibrornata. In the walls of ovar ian and broadl igament cysts. In tubercular nodules. In pancreat ic fat necrosis. ON THE PRESENCE OP SOAPS ...

[1] Computation of phase and chemical equilibria of water-organic-inorganic mixtures is of significant interest in atmospheric aerosol modeling. A new version of the phase partitioning model, named UHAERO, is presented here, which allows one to compute the phase behavior for atmospheric aerosols containing inorganic electrolytes and organic compounds. The computational implementation of the mod...

Ionic liquid-forming salts often display low melting points (a lack of crystallisation at ambient temperature and pressure) as a result of decreased lattice energies in the crystalline state. Intermolecular interactions between the anion and cation, and the conformational states of each component of the salt, are of significant interest as many of the distinctive properties ascribed to ionic li...