Browsing Chemistry by Title
Now showing items 691-710 of 842
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Structural Consequences of Calmodulin EF Hand Mutations
(American Chemical Society, 2017-02-21)Calmodulin (CaM) is a cytosolic Ca2+-binding protein that serves as a control element for many enzymes. It consists of two globular domains, each containing two EF hand pairs capable of binding Ca2+, joined by a flexible ... -
Structural investigation of a new cadmium coordination compound prepared by sonochemical process: Crystal structure, Hirshfeld surface, thermal, TD-DFT and NBO analyses
(Elsevier, 2019-04)A new nanostructured cadmium complex containing a tridentate Schiff base ligand was sonochemically synthesized and characterized by XRPD, FT/IR, NMR, and single crystal X-ray crystallography. Structural data showed that ... -
Structural Investigation of Melatonin and its Metabolites as Possible Calmodulin Antagonists
(University of Waterloo, 2020-09-11)Calmodulin (CaM) is a small, highly conserved and ubiquitous calcium (Ca2+)-sensing protein that coordinates signal transduction through interactions with over 300 target molecules. It is composed of N- and C-terminal ... -
Structural Studies of a Complex Between Endothelial Nitric Oxide Synthase and Calmodulin at Physiological Calcium Concentration
(American Chemical Society, 2016-10-25)The small acidic protein calmodulin (CaM) serves as a Ca2+ sensor and control element for many enzymes including nitric oxide synthase (NOS) enzymes that play major roles in key physiological and pathological processes. ... -
The Structure and Internal Dynamics of Polypeptides Probed with Pyrene Excimer Fluorescence
(University of Waterloo, 2021-01-25)A combination of pyrene excimer fluorescence, fluorescence blob model (FBM), and molecular mechanics optimizations (MMOs) was applied to characterize a series of pyrene-labeled polypeptides. Analysis of the fluorescence ... -
The Structure and Properties of Weakly Bound Clusters
(University of Waterloo, 2020-10-07)In this thesis, two novel methods are introduced to advance the study of gas phase clusters. The structure similarity method is a computational technique that is able to quantify the structure difference for a pair of ... -
Structure and Property Correlations in Heavy Atom Radicals
(University of Waterloo, 2009-07-08)Neutral radicals represent versatile building blocks for the design of new conductive and magnetic molecular materials. In order to obtain good electron transport, materials displaying a high bandwidth W and a low on-site ... -
Structure and Thermodynamics of Drug-RNA Aptamer Interactions
(Bentham Science Publishers, 2013-03-01)This mini-review will provide an overview on the recent studies of structure and thermodynamics of RNA aptamers that target drug molecules. These aptamers are studied to provide insight into RNA drug interactions. This ... -
Structure of Human Cu, Zn Superoxide Dismutase-1 Inclusion Body Aggregates using Quenched Hydrogen-Deuterium Amide Exchange
(University of Waterloo, 2021-12-22)Inclusion bodies (IBs) are insoluble protein aggregates that can be formed within recombinant bacteria. These aggregates, once thought to be an obstacle in recombinant protein expression and purification, have recently ... -
Structure-Activity Relationship Studies on Daptomycin
(University of Waterloo, 2018-08-22)Daptomycin (Dap) is a Ca2+-dependent cyclic lipodepsipeptide antibiotic used for treating skin infections caused by Gram-positive pathogens. It is also used to treat endocarditis caused by Staphylococcus aureus including ... -
Structure/Function of Calmodulin Mutants bound to target peptides from Nitric Oxide Synthase
(University of Waterloo, 2012-01-18)Calmodulin (CaM) is a ubiquitous calcium binding protein that responds to intracellular Ca2+ and is proposed to be involved in the binding of over 300 functionally and structurally diverse proteins. It is a highly conserved ... -
Structure/reaction directed analysis for LC-MS based untargeted analysis
(Elsevier, 2019-03-07)In LC-MS based untargeted analysis, data is collected at the peak or ion level, although the investigated biochemistry processes occur at the compound or reaction level. To this end, the presence of redundancy peaks such ... -
The Structures and Energetics of Strongly-Bound Gaseous Clusters of Protonated Biomolecules with Alcohols
(University of Waterloo, 2008-08-26)A growing interest in the strengths of several interactions that play important structural roles in biochemical systems has been building over the past couple decades. The binding energies and entropies of formation of the ... -
The structures and properties of anionic tryptophan complexes
(Royal Society of Chemistry, 2018)The physicochemical properties of [Trpn–H]− and [Trpn⋯Cl]− (n = 1, 2) have been investigated in a combined computational and experimental infrared multiple dissociation (IRMPD) study. IRMPD spectra within the 850–1900 cm−1 ... -
The structures and properties of proton- and alkali-bound cysteine dimers
(Royal Society of Chemistry, 2016)The proton-, lithium-, and sodium-bound cysteine dimers have been investigated in a joint computational and experimental infrared multiple photon dissociation (IRMPD) study. IRMPD spectra in the 1000–2000 cm−1 region show ... -
The Structures and Properties of Protonated Phenylalanine Derivatives
(University of Waterloo, 2016-09-19)Non-covalent interactions influence the 3-dimentional structures of large biomolecules. Hydrogen bonds, π-π stacking and cation-π interactions play a prominent role in protein folding and molecular recognition. In clusters ... -
Studies in Pure and Transition Metal Doped Indium Oxide Nanocrystals
(University of Waterloo, 2015-03-23)Controlling the crystal structure of transparent metal oxides is essential for tailoring the properties of these polymorphic materials to specific applications. Structural control is usually achieved via solid state phase ... -
Studies of Interaction of Small Molecules with Water Condensed Media
(University of Waterloo, 2006)STUDIES OF INTERACTION OF SMALL MOLECULES WITH WATER CONDENSED MEDIA<br /><br /> The present work reports experimental and theoretical studies of the intermolecular interactions in condensed water media. The chemical ... -
Studies of the Growth Conditions, Plasmonic and Magnetoplasmonic Properties of Semiconductor Nanostructures
(University of Waterloo, 2018-01-22)Magnetoplasmonic nanostructures, as a branch of multifunctional materials, have recently attracted research interests due to the coexistence of magnetic and plasmonic properties.1-4 To accomplish the simultaneous control ... -
Studies of the Lewis Acidity of Dicarbonyl Iodonium Ylides in Ionic and Photochemical Reactions
(University of Waterloo, 2021-06-28)Hypervalent iodine compounds have been established as useful reagents in synthetic chemistry due to their ease of handling and the diverse amount of chemical reactivity that can be accessed under mild reaction conditions. ...