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Showing 1 to 20 of 465 for “"complexation"”.
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Mechanistic Aspects of Enantioselective Complexation
The effect of differential penetration ("intercalation") of enantiomeric analytes between the strands of synthetic, brush-type liquid chromatographic chiral stationary phases (CSPs) has been investigated. The design and evaluation of a new family of $\pi$-basic CSPs which utilize these …
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Effects of solution complexation on crystallization processes
Crystallization is a separation technique widely used in chemical processes to produce high-purity solid products. The impact of solution chemistry on the kinetics and thermodynamics of crystallization processes is neither well understood nor properly characterized. Therefore, there exists a need …
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Ureas in molecular recognition : complexation and encapsulation
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1996.
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Complexation of Block Copolysiloxanes with Cobalt Nanoparticles
Poly(dimethylsiloxane-b-methylvinylsiloxane) (PDMS-b-PMVS) diblock copolymers were synthesized via anionic living polymerization with controlled molecular weights and narrow molecular weight distributions. Targeted molecular weights agreed well with experimental values determined by 1H NMR, 29Si …
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Complexation Between DNA and Hydrophilic-Cationic Diblock Copolymers
DNA-polycation complexes (polyplexes) are gene delivery vehicles that offer a number of advantages over viral vehicles: high genetic payload capacity, low toxicity, and low cost. Among the many polycation architectures, hydrophilic-cationic diblock copolymers are particularly promising due to their …
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Preparation and complexation reactions of some sulfur compounds
Abstract available: p.[3]
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COMPLEXATION AND PARTICLE-WATER INTERACTIONS OF NICKEL IN ESTUARIES
… riverwater decreased significantly the 63Ni Kds. Complexation of Ni by dissolved natural ligands also affected the progression of sorptive reactions, with a system response time (i.e. the time required to achieve 63% of the sorptive equilibrium) between 1.6 and 8.9 hours. The results from this …
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Thorium oxide dissolution kinetics for hydroxide and carbonate complexation
In order to better understand the behavior of thorium breeder reactor fuel in a repository environment, the behavior of thorium oxide was investigated. The kinetics of crystalline thorium oxide dissolution were studied under argon and argon/10% CO2 over a broad pH range in 0.1 M ionic strength …
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Marine iodine biogeochemistry: inorganic speciation, redox dynamics and organic complexation
Iodine holds significant importance across various disciplines, including medicine, industrial processes, organic synthesis, paleoclimatology, atmospheric chemistry and modern climate science. The ocean, as a major surficial iodine reservoir and the primary source of this element to the atmosphere, …
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Enhanced Etoposide Solubility and Anticancer Activity using Complexation and Nanotechnology
… using emerging formulations strategies such as complexation and nanotechnology. To test this hypothesis, three different formulations have been prepared with three specific aims: (i) co-amorphous salt formation with drug complexation by L-Arginine (ARG), (ii) solid dispersion of V-P16 (C-VP-16) …
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New hydrogen bonding motifs for anion and neutral guest complexation
This thesis presents three different areas of anion or neutral molecule recognition chemistry. There is an extensive study of homoleptic and heteroleptic platinum(II) based receptors for anion recognition. The homoleptic receptor study revealed that urea ligands are more effective than …
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Measurement of hydrolysis, polymerization and complexation in dilute aluminum solutions
… fourth hydrolysis constants. A new polynuclear complexation mechanism for Al is proposed to account for the high concentration of high n value polynuclear species in the titration refinements. The proposed linear l double chain structure has a structure consistent with boehmite and diaspore. …
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Redox and complexation chemistry in chloride ionic liquids and molten salts
Molten salts are a unique solvent class composed entirely of ions that have emerged as an important technology in both advanced nuclear technologies and other green energy applications. In particular, molten salts based on the chloride anion have garnered prevalence among innovative molten salt …
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Effects of Chemical and Enzymatic Modifications on Starch and Naringenin Complexation
… Overall, acetylated starches exhibited greater complexation yields than hydroxypropylated counterparts; Hylon VII complexes comprised greater naringenin contents than potato starch complexes. The naringenin content generally was greater in insoluble complexes than in soluble complexes and …
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Proton binding and aluminum complexation by soil humic and fulvic acids
Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:44:17Z Item is restricted indefinitely.
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Complexation of metal salts with phosphorus-containing poly(arylene ether)s
… conducted to demonstrate the existance of metal complexation in the solid state. The effect of the chemical composition of the chain, type of metal salt, molar concentration of the metal salt, and heating cycle were investigated and found to influence properties of the films such as solubility, …
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Metal ion complexation, extraction and transport by crown and lariat ether compounds
… the influence of nonionizable side arms upon the complexation of alkali metal cations by lariat ethers, solvent polymeric membrane electrodes containing the lariat ethers as ionophores were utilized. For dibenzo-16-crown-5 lariat ethers, Na* selectivity over other alkali and alkaline earth metal …
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Organic-inorganic hybrid materials for arsenic adsorption : surface complexation and intraparticle diffusion
… different pH conditions, respectively. Surface complexation models (SCM) can be developed to simulate the adsorption performance as a function of pH, arsenic concentrations, and ionic strength. And estimation of important adsorption parameters such as surface site density, and adsorption …
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