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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Tuning Cation and Anion Redox Chemistry in Transition Metal Oxide Positive Electrode Materials for Lithium and Sodium-Ion Batteries
(University of Waterloo, 2021-03-31)The surging demand for electrified transportation (both ground and air), robots, and other battery-powered devices has driven the development of electrochemical energy storage systems that can provide high gravimetric/volumetric ... -
Manipulating Carrier Polarization in Pure and Doped Metal Oxide Semiconductor Nanocrystals
(University of Waterloo, 2021-02-19)Moore's Law will soon be inadequate to keep up with the needs of technological developments as the currently used materials have reached their natural performance limits. Hence, the development of a new technology to replace ... -
Synthesis and Characterization of Furan-Based Non-ionic Surfactants (FBNIOS)
(University of Waterloo, 2021-01-27)A series of furan-based non-ionic surfactants (fbnios) derived from 5-(chloromethyl)furfural (5-CMF), a feedstock prepared by Origin Materials through a carbon negative process, were prepared from commercially available ... -
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 ... -
Detection of Nitroaromatics Using the Excimer Fluorescence of Pyrene-Labeled Starch Nanoparticles
(American Chemical Society, 2019-09-09)Starch nanoparticles (SNPs) were hydrophobically modified using 1-pyrenebutyric acid (PyBA) with degrees of substitution (DS) between 0.0006 and 0.11. Fluorescence quenching studies were conducted on the pyrene-labeled ... -
Probing the Interactions between Mimics of Pour Point Depressants (PPDs) and Viscosity Index Improvers (VIIs) in Engine Oil Using Fluorescently Labeled PPDs
(American Chemical Society, 2019-03-18)The level of interpolymeric interactions experienced by a pyrene-labeled poly(octadecyl methacrylate) labeled with 6.7 mol% of 1-pyrenebutanol (Py(6.7)-PC18MA) was characterized by fluorescence in the presence of an amorphous ... -
Surfactant-Structure Dependent Interactions with Modified Starch Nanoparticles Probed by Fluorescence Spectroscopy
(American Chemical Society, 2019-02-05)The interactions between the surfactants sodium dodecyl sulfate (SDS) and sodium dioctylsulfosuccinate (AOT) and starch nanoparticles hydrophobically modified with the hydrophobic dye pyrene (Py-SNPs) were investigated in ... -
Arborescent Poly(L-glutamic acid)s as Standards to Study the Dense Interior of Polypeptide Mesoglobules by Pyrene Excimer Fluorescence
(American Chemical Society, 2018-10-01)A series of arborescent poly(l-glutamic acid)s of generations 0 to 3 (PGA(GY) with Y = 0–3) were randomly labeled with 1-pyrenemethylamine to yield several Py-PGA(GY) constructs with pyrene contents ranging between 2.5 and ... -
Hydrophobic and Elastic Forces Experienced by a Series of Pyrene End-Labeled Poly(ethylene oxide)s Interacting with Sodium Dodecyl Sulfate Micelles
(American Chemical Society, 2018-07-30)A series of pyrene end-labeled poly(ethylene oxide)s (Py2-PEO(x) with x equal to 2, 3.4, 5, 6, 7.8, and 10 kg mol–1) were synthesized, and their interactions with SDS micelles were characterized by steady-state and ... -
Application of Pyrene Fluorescence to the Characterization of Hydrophobically Modified Starch Nanoparticles
(American Chemical Society, 2018-06-25)Several aspects of pyrene fluorescence were applied to gain an insight into the nature of the microdomains in hydrophobically modified starch nanoparticles (HM-SNPs), prepared by reacting SNPs with propionic and hexanoic ... -
Pyrene Excimer Fluorescence as a Direct and Easy Experimental Means to Characterize the Length Scale and Dynamics of Polypeptide
(American Chemical Society, 2018-04-26)This report provides evidence that the blobs characterized through the application of the fluorescence blob model (FBM) to the analysis of the fluorescence decays acquired with pyrene-labeled polypeptides are equivalent ... -
Temperature-Controlled Interactions Between Poly(N-isopropylacrylamide) Mesoglobules Probed by Fluorescence
(American Chemical Society, 2018-02-23)Temperature-Controlled Interactions Between Poly(N-isopropylacrylamide) Mesoglobules Probed by Fluorescence Michael Andrew Fowlera, Jean Duhamel*a a Institute for Polymer Research, Waterloo Institute for Nanotechnology, ... -
Quantitative Characterization of the Molecular Dimensions of Flexible Dendritic Macromolecules by Pyrene Excimer Fluorescence
(American Chemical Society, 2018-02-12)Eight pyrene labeled dendrons (PyLDs) were prepared with a polyester backbone of bis(hydroxymethyl)propionic acid and the monomer and excimer fluorescence decays of the PyLDs were acquired and fitted according to the ... -
Design, characterization, optical and photophysical properties of novel thiophene monomers and polymers containing pyrene moieties linked via rigid and flexible spacers
(Elsevier, 2019-02-01)Herein, we report the synthesis of three novel thiophene monomers connected to pyrene moieties via a flexible oligo(ethylene glycol) (OEG) spacer with an oxygen -to-pyrene (T1), a flexible OEG spacer with an oxygen ... -
Algorithms for quantum molecular dynamics: from matrix product states to path integrals
(University of Waterloo, 2021-01-13)This thesis describes several novel approaches in quantum molecular dynamics for obtaining properties of molecular systems in different regimes. We investigate ground state properties of chains of linear rotors with ... -
Exploiting the Properties and Reactivity of Thiazoles in the Design of Conjugated Materials.
(University of Waterloo, 2021-01-13)Of fundamental importance to the advancement of next-generation technologies using organic electronic materials is the development of new synthetic methodologies and the investigation of novel material properties. Thiazoles ... -
Temperature Response of Aqueous Solutions of Pyrene End-Labeled Poly(N-isopropyl acrylamide)s Probed by Steady-State and Time-Resolved Fluorescence
(Wiley, 2018-02-15)Aqueous solutions of a series of monodisperse poly(N‐isopropylacrylamide)s end‐labeled with n‐butyl‐1‐pyrene at one or both chain ends (Pyn‐PNIPAMs with n = 1 or 2) were studied by turbidimetry, light scattering, and ... -
Methods of the Alignment-Relay Technique for Nanosystems: Optimization and Innovation
(University of Waterloo, 2020-12-22)This manuscript details the achievements and the scientific evidence for the alignment of single-walled carbon nanotubes for field-effect transistor applications. There has been immense growth in the semiconducting industry ... -
Development and Application of Solid-Phase Microextraction Probe Electrospray Ionization
(University of Waterloo, 2020-12-21)Ambient ionization mass spectrometry (AIMS) is a category of mass spectrometry (MS) techniques originally characterized as using ambient ionization sources to analyze samples with little to no sample preparation and no ... -
Characterization of PIBSI Dispersants and Their PIBSA Components by Pyrene Excimer Fluorescence
(University of Waterloo, 2020-12-18)Methods are introduced to characterize the products resulting from the coupling of a polyisobutylene terminated at one end with a succinic anhydride (PIBSA) and a polyamine to generate PIBSI products where the polyamine ...
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