coordination complex


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coordination complex

[kō‚ȯrd·ən′ā·shən ′käm‚pleks]
(chemistry)
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Alizarin itself has no strong affinity to the protein structure of keratin based fibres like wool and therefore requires the presence of a metal cation as mordant to form a stable coordination complex that enables stable incorporation within the fibre matrix [13-15].
These results suggest that the two components of the composite are compatible and coordination complex formation of Pyridine N with metal salts/surfactants increases the glass transition temperature of the composite nanoparticles.
LAS VEGAS--Treatment with ferric citrate coordination complex conferred multiple benefits with cardioprotective implications in non-dialysis-dependent chronic kidney disease patients with elevated serum phosphate and iron-deficiency anemia in a randomized trial.
In the newly appointed position, Ceesay will develop and lead all aspects of the the company's launch strategy and execution, brand planning, forecasting and analysis, marketing operations and patient access programmes, including the new drug application for Zerenex (ferric citrate coordination complex).
Keryx's New Drug Application (NDA) for Zerenex (ferric citrate coordination complex) is currently under review by the US Food and Drug Administration's, with an assigned Prescription Drug User Fee Act (PDUFA) goal date of 7 June 2014.
The increase in copper retention for unleached wood for all copper salts (Table 1) can be explained by formation of a coordination complex between copper(II) and one or more hydroxy groups of the PVOH polymer, which helps immobilize the copper ion.
The complex may be a transition metal in a coordination complex or a Lewis acid having an acceptor monomer.
The company added that the NDA for Zerenex (ferric citrate coordination complex) seeks approval for the marketing and sale of Zerenex as a treatment for elevated serum phosphorus levels, or hyperphosphatemia, in patients with chronic kidney disease (CKD) on dialysis.
The carbonyl stretching frequency is 30 wavenumbers lower in the coordination complex because [sigma]-donation of electron density to the metal center weakens the C=0 bond.
Taken together, the ESI-MS, IR, elemental analysis, [sup.1]H and [sup.13]C x NMR, and UV-Vis of 2 all support the formation of a new Co(III) coordination complex, trans-dichlorotetrakis(imidazole) cobalt(III) chloride.

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