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1
Greenhouse Gas Control Technologies
INTRODUCTION Sterically-hindered amines were initially introduced to the
application of acid gas separation as absorption solvents by EXXON Research
and Engineering Company'. These solvents include 2-amino-2-methyl-1-
propanol ...
B. Eliasson, P. Riemer, A. Wokaun, 1999
2
ADVANCES IN INORGANIC CHEMISTRY
Moreover, the steric requirements of the ligands favor the formation of
mononuclear complexes rather than the thiolate bridged oligomers usually
generated by using sterically unencumbered thiols. The chemistry of sterically
hindered thiolate ...
3
Medical Applications of Liposomes
Three important observations can be made on the basis of the comparative
biological properties of conventional and sterically stabilized liposomes. First,
sterically stabilized liposomes uniformly display increased circulation longevity ...
D.D. Lasic, D. Papahadjopoulos, 1998
4
Clathrochelates: Synthesis, Structure and Properties
The reactivity of partially substituted iron(II) clathrochelates is essentially
dependent on the degree of substitution with primary sterically unhindered
aliphatic amines in donor solvents. In the case of hexachloride precursors, a
tetrasubstituted ...
Y.Z. Voloshin, N.A. Kostromina, R.K. Krämer, 2002
5
Organic Chemistry, Part 1 of 3
A sterically crowded, blocked, or hindered molecule has large groups adjacent to
the reactive site blocking access of the reactant. A sterically open or unhindered
molecule does not have large groups near the reactive site. Which pathway that ...
6
Chemistry and Physics of Complex Materials: Concepts and ...
substituents has the properties of the sterically hindered phenols, we might
expect a decrease in the value of k7 in comparison with TP-5. However, the
experimentally obtained value of k 7 for TP-7 is not only almost twofold higher
than that for ...
Maria Rajkiewicz, Wiktor Tyszkiewicz, Zbigniew Wertejuk, 2013
7
Chiral Separations by Capillary Electrophoresis
In chiral separations, the analytes are sterically different forms of chiral species.
Principal difficulty of their separation consists in the almost general incapability of
common achiral separation systems to evoke different migration speeds of these
...
Ann Van Eeckhaut, Yvette Michotte, 2009
8
Interdisciplinary Applications of Kinematics: Proceedings of ...
[14] performed such an analysis for each amino acid, and combined the results in
one chart that entails the ranges of φ − ψ values that are sterically disallowed.
This chart known as the “Ramachandran” chart or map (Fig. (2a)), and has been
...
Andrés Kecskeméthy, Veljko Potkonjak, Andreas Müller, 2012
9
Carbonates—Advances in Research and Application: 2013 Edition
of low absorption rate and salt production that are caused by the use of
potassium carbonate, use a non-sterically hindered piperazine derivative as an
additive. However, a verification experiment conducted using the corresponding
conditions ...
BIOLOGICAL. PROPERTIES. OF. STERICALLY. STABILIZED. LIPOSOMES.
Martin C. Woodle, Mary S. Newman, and Peter ... with virtually every natural
biological Biological Properties of Sterically Stabilized Liposomes Woodle, M S
Newman, ...
Danilo D. Lasic, Francis J. Martin, 1995
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Earth's Daily Rotation Period Encoded in an Atomic-level Protein …
In KaiC, this water is sterically hindered by residues on the polypeptide chain from occupying the most favorable position for lytic attack, thereby significantly ... «Biotechin.Asia, 七月 15»
New palladium precatalyst technology developed by the Hazari …
This provides organic chemists with the ability to easily screen electronically and sterically diverse ligands. The IPr supported precatalyst 46-0815 has been ... «Cambridge Network, 七月 15»
Intracellular chemistry Bioorthogonal catalysts
... the surface layer of polymer-functionalized gold nanoparticles, and used cucurbituril as a supramolecular surface coating to sterically inhibit catalytic turnover. «Nature.com, 七月 15»
Fragment-Based Drug Discovery Market – Global Industry Analysis …
Higher ligand efficiency, more hydrophilic hits and less containment of sterically blocking groups are other factors that are also helping the market to grow. «Medgadget.com, 七月 15»
A noncanonical conotoxin
The tertiary structure is an unusual β-sandwich, and explains circular dichroism data that suggested the existence of a sterically constrained aromatic amino acid ... «Nature.com, 六月 15»
Complex amines made easy (and cheap)
However, using these methods to prepare more complex, sterically hindered amines, which have desirable properties for drugs, was either too costly, inefficient ... «Royal Society of Chemistry, 五月 15»
Crystal-to-crystal transformation
Whereas it has long been a mystery if and how crystalline solids could accommodate sterically demanding cis→trans isomerisations, the direct insight revealed ... «Chemistry World, 七月 14»
New perspectives to the design of molecular cages
The research group led by docent Manu Lahtinen (University of Jyväskylä, Department of Chemistry) developed a method in which sterically hindered ligands ... «Nanowerk, 五月 14»
Reduced to clear
The only reported exception is a sterically hindered diisopropylamide, which resists reduction under the reaction conditions. This will come as a blow to chemists ... «Chemistry World, 四月 14»
Cutting edge chemistry in 2012
To prevent this, bulky ligands are needed to sterically protect the germanone. Up the periodic table to hydrogen, the January issue of the magazine reported ... «Chemistry World, 十二月 12»
