Chemistry
This is the collection for the University of Waterloo's Department of Chemistry .
Research outputs are organized by type (eg. Master Thesis, Article, Conference Paper).
Waterloo faculty, students, and staff can contact us or visit the UWSpace guide to learn more about depositing their research.
Recent deposits
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Magnetic nano-nets for capture of microbes in solution based on physical contact
(Elsevier, 2019-02-01)Self-assembly of Au nanoparticles with Fe ions is used to develop magnetic nano-nets similar to fishing nets for capture and removal of microbes in aqueous medium. The nano-nets have a high aspect ratio, span microns in ... -
Ultrasonic assisted synthesis, crystallographic, spectroscopic studies and biological activity of three new Zn(II), Co(II) and Ni(II) thiosemicarbazone complexes as precursors for nano-metal oxides
(Elsevier, 2019-01-01)Using ultrasonic irradiations, three new complexes of type [ZnL2].CH3CN, [NiLCl] and [CoL2] (where L is 2-acetylpyridine-4N-p-chlorophenylthiosemicarbazone ligand) have been prepared and investigated using various spectroscopic ... -
Mechanistic studies on the effect of membrane lipid acyl chain composition on daptomycin pore formation
(Elsevier, 2018-11-01)Daptomycin is a lipopeptide antibiotic that binds and permeabilizes the cell membranes of Gram-positive bacteria. Membrane permeabilization requires both calcium and phosphatidylglycerol (PG) in the target membrane, and ... -
Using Pyrene Excimer Fluorescence To Probe Polymer Diffusion in Latex Films
(American Chemical Society, 2017-02-28)This study introduces a simple technique that can be used to quantitatively probe interparticle polymer diffusion (IPD) between adjacent particles in a latex film using pyrene excimer fluorescence (PEF). To demonstrate the ... -
Conformation of Pyrene-Labeled Amylose in DMSO Characterized with the Fluorescence Blob Model
(American Chemical Society, 2016-10-25)Amylose and poly(methyl acrylate) were randomly labeled with pyrene to yield a series of Py-Amylose and Py-PMA constructs, and their ability to form excimer in DMSO was characterized quantitatively by steady-state and ... -
Long-Range, Polymer Chain Dynamics of a "Stiff" Polymer. Fluorescence from Poly(isobutylene-alt-maleic anhydride) with N-(1-Pyrenylmethyl)succinimide Groups
(American Chemical Society, 2017-04-25)The steady-state fluorescence (SSF) spectra and time resolved fluorescence (TRF) decays of five poly(isobutylene-alt-maleic anhydride) copolymers (PIMA), randomly labeled with N-(1-pyrenyl methyl)succinimide groups (Py-PIMA), ... -
Using Pyrene Excimer Fluorescence To Probe the Interactions between Viscosity Index Improvers and Waxes Present in Automotive Oil
(American Chemical Society, 2017-03-28)A new methodology based on pyrene excimer fluorescence (PEF) was applied to quantitatively measure the actual level of intermolecular association between ethylene propylene (EP) copolymers in toluene in the presence of ... -
Characterization of the Distribution of Pyrene Molecules in Confined Geometries with the Model Free Analysis
(American Chemical Society, 2017-12-21)Evidence is provided showing that global Model Free Analysis (MFA) of monomer and excimer fluorescence decays of pyrene dissolved in aqueous solutions of sodium dodecyl sulfate (SDS) provides the same structural and dynamic ... -
Path integral ground state approaches for the study of weakly bound clusters and confined molecules
(University of Waterloo, 2018-09-21)This thesis presents the study of weakly bound clusters in the ground state (or the zero-temperature limit) using path integral molecular dynamics. Specifically, we look individually at the quantum properties of small ... -
Porous chitosan microspheres as microcarriers for 3D cell culture
(Elsevier, 2018-12-15)Highly porous chitosan microspheres (CSM) were prepared through emulsion-based thermally induced phase separation (TIPS) without using toxic crosslinkers and chemical porogenic agents other than ice. The CSM had an average ... -
Characterizing Humulone Content in Beer Using Differential Mobility Spectrometry
(University of Waterloo, 2018-09-19)Beer is a complex fermented beverage and several hundreds of components have been identified erenow. Hops are extremely important to beer’s organoleptic qualities, especially bitterness. Bitterness, a distinguishing component ... -
Nonamphiphilic Assembly of Metal Carbonyl Complexes: Chemical Structure, Kinetics, and Hydrophobic Effect
(University of Waterloo, 2018-08-30)Self-assembly is an effective approach for the synthesis of various nanostructures. Assembly of amphiphilic molecules has been well developed, which are mostly thermodynamic controlled. Although the importance of kinetics ... -
Development and optimization of coated blade spray - mass spectrometry for bioanalytical and clinical applications
(University of Waterloo, 2018-08-23)Bioanalysis is a sub-discipline of analytical chemistry that focuses on the identification and quantification of small and large molecules (e.g. metabolites and proteins) present in biological sample matrices (e.g. blood, ... -
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 ... -
Determining the Structures and Properties of Biologically-relevant Ions
(University of Waterloo, 2018-08-09)Gas phase studies of biologically relevant ions are increasing in popularity due to the possibility of high throughput analysis requiring minimum sample concentrations. This thesis explores the potential of differential ... -
Casting Shadow on the Photocatalytic Activity of Plasmonic Antimony Doped Tin Oxide Nanoparticles in Degrading Rhodamine 590
(University of Waterloo, 2018-06-04)Increasing the feasibility of water purification systems at the manufacturing, technical and material engineering level is an urgent matter that is of global interest. Concerning materials engineering for water purification ... -
Quantifying entanglement of rotor chains using basis truncation: Application to dipolar endofullerene peapods
(American Institute of Physics, 2018-02-21)We propose a variational approach for the calculation of the quantum entanglement entropy of assemblies of rotating dipolar molecules. A basis truncation scheme based on the total angular momentum quantum number is proposed. ... -
Ground states of linear rotor chains via the density matrix renormalization group
(American Institute of Physics, 2018-04-04)In recent years, experimental techniques have enabled the creation of ultracold optical lattices of molecules and endofullerene peapod nanomolecular assemblies. It was previously suggested that the rotor model resulting ... -
A path integral methodology for obtaining thermodynamic properties of nonadiabatic systems using Gaussian mixture distributions
(American Institute of Physics, 2018-05)We introduce a new path integral Monte Carlo method for investigating nonadiabatic systems in thermal equilibrium and demonstrate an approach to reducing stochastic error. We derive a general path integral expression for ... -
Entangling qubit registers via many-body states of ultracold atoms
(American Physical Society, 2016-04-25)Inspired by the experimental measurement of the Rényi entanglement entropy in a lattice of ultracold atoms by Islam et al. [Nature (London) 528, 77 (2015)], we propose a method to entangle two spatially separated qubits ...
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