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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Development of a Microfluidic Hemodialysis Device Equipped with an Antifouling Nanoporous Dialysis Membrane
(University of Waterloo, 2021-06-08)This thesis presents a microfluidic hemodialyzer and an experimental platform and demonstrates that the performance of a polycarbonate membrane used in a continuous setting that can be comparable to commercial hollow-fibre ... -
Solid-Phase Total Synthesis of Dehydrotryptophan-Bearing Cyclic Peptides Tunicyclin B, Sclerotide A, CDA3a and CDA4a using a Protected β-Hydroxytryptophan Building Block
(University of Waterloo, 2021-05-31)The non-proteinogenic amino acid Z-dehydrotryptophan can be found in a several naturally occurring peptide. Amongst them are cyclic peptides such as tunicyclin B, the antifungal agents keramamide F and sclerotide A, as ... -
Synthesis of ß-Keto-and ß-Hydroxy-α,α-difluorosulfonamides.
(University of Waterloo, 2021-05-28)Abstract ß-Keto- and ß-hydroxy-α,α-difluorosulfonamides are both underexplored classes of molecules. There is only one report of each class of molecules in the literature, however very similar molecules are well known and ... -
A Thermochemical Investigation of Gas Phase Anionic Nucleobase Complexes by Infrared Multiple Photon Dissociation Spectroscopy and Electronic Structure Calculations
(University of Waterloo, 2021-05-21)In this thesis, a computational and experimental investigation of gas phase cation-molecule complexes has been undertaken to analyse the gas phase clustering behaviour of biologically relevant cyclic anionic species. ... -
Development of Cobalt-Doped Nickel Hydroxide Sol-Gel Catalysts for Enhanced Electro-Oxidation of Urea
(University of Waterloo, 2021-05-14)Electrochemical oxidation of urea provides an approach to prevent excess urea emissions into the environment while generating value by capturing chemical energy from waste. Unfortunately, the source of high catalytic ... -
Electrophilic ‘Umpolung’ Cyclizations of Alkynes in the Synthesis of Polycyclic Aromatic Hydrocarbons
(University of Waterloo, 2021-05-12)Polycyclic aromatic hydrocarbons (PAHs), such as acenes and phenacenes, are important structural motifs which have found great utility in the future of electronics as organic semi-conducting materials. Reliable methods of ... -
Investigation of divalent metal ion detection using 17E DNAzyme Biosensor
(University of Waterloo, 2021-04-30)DNAzymes are in vitro selected oligonucleotides that can catalyze reactions, such as RNA cleavage. Most DNAzymes require metal ions as cofactors. Unlike ribozymes, which have been found in nature, all known DNAzymes are ... -
Multi-Scale Design of Ink Formulations for the 3D Bioprinting of Soft and Elastic Tissue-Mimetic Structures
(University of Waterloo, 2021-04-30)Three-dimensional (3D) engineered tissue and organ models with adjustable biochemical and physical properties are needed in regenerative medicine. As such, 3D printing has emerged as a potential strategy to create more ... -
An investigation of gas phase ion-molecule complexes involving novel binding modes
(University of Waterloo, 2021-04-16)In this thesis, an innovative method is introduced to advance the study of gas phase clusters and used to analyse a number of novel binding modes. The systematic sampling of cluster surfaces (SSCS) routine, introduced in ... -
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 ...
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