Science (Faculty of)
Welcome to the Faculty of Science community.
This community and it’s collections are organized using the University of Waterloo's Faculties and Academics structure. In this structure:
- Communities are Faculties or Affiliated Institutions
- Collections are Departments or Research Centres
Research outputs are organized by type (eg. Master Thesis, Article, Conference Paper).
New collections following this structure will be created UPON REQUEST .
Collections in this community
Recent deposits
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Probing the Unruh and Hawking effects using Unruh-DeWitt detectors
(University of Waterloo, 2017-10-18)Quantum field theory is so far the best description of the fundamental laws of Nature, yet it does not fully incorporates gravitation. The first attempt toward unifying the quantum field theory and gravity is a semi-classical ... -
A facile and fully automated on-fiber derivatization protocol for direct analysis of short-chain aliphatic amines using a matrix compatible solid-phase microextraction coating
(Elsevier, 2017-07-29)Solid-phase microextraction (SPME) analysis of short-chain aliphatic amines (C-3-C-6) in aqueous solutions was investigated using pentafluorobenzaldehyde (PFBAY) as on-fiber derivatization reagent. A standard gas generating ... -
Major liver resection, systemic fibrinolytic activity, and the impact of tranexamic acid
(Elsevier, 2016-12-01)Background: Hyperfibrinolysis may occur due to systemic inflammation or hepatic injury that occurs during liver resection. Tranexamic acid (TXA) is an antifibrinolytic agent that decreases bleeding in various settings, but ... -
Coupling solid phase microextraction to complementary separation platforms for metabotyping of E. coli metabolome in response to natural antibacterial agents
(Springer, 2016-11-02)Introduction Essential oils are known to possess antimicrobial activity; thus, their use has played an important role over the years in medicine and for food preservation purposes. Objective The effect of clove oil and its ... -
A critical review of solid phase microextraction for analysis of water samples
(Elsevier, 2016-12-01)The review summarizes applications of solid phase microextraction (SPME) for water sample analysis. Official methods and standards of SPME in water research and inter-laboratory validation are discussed. A comparison of ... -
Insights into the Effect of the PDMS-Layer on the Kinetics and Thermodynamics of Analyte Sorption onto the Matrix-Compatible Solid Phase Microextraction Coating
(American Chemical Society, 2017-03-07)The currently presented research investigated the performance of matrix compatible PDMS-overcoated fibers (PDMS-DVB/PDMS) as compared to unmodified PDMS/ DVB coatings using aqueous samples and employing a wide range of ... -
Inter-laboratory validation of a thin film microextraction technique for determination of pesticides in surface water samples
(Elsevier, 2017-04-29)The primary goal of the present study is the inter-laboratory evaluation of a thin film microextraction (TFME) technique to be used as an alternative approach to liquid-liquid extraction (LLE). Polydimethylsiloxane/ ... -
Calibrant Free Sampling and Enrichment with Solid-Phase Microextraction: Computational Simulation and Experimental Verification
(American Chemical Society, 2017-04-05)Despite the benefits of diffusion-based calibrant-free sampling based on solid-phase microextraction (SPME), this quantification approach is often underestimated due to an inadequate understanding of how extraction parameters ... -
New Generation of Solid-Phase Microextraction Coatings for Complementary Separation Approaches: A Step toward Comprehensive Metabolomics and Multiresidue Analyses in Complex Matrices
(American Chemical Society, 2017-04-04)In this work, a new generation of solid-phase microextraction (SPME) coatings based on polytetrafluoro-ethylene amorphous fluoroplastics (PTFE AF 2400) as a particle binder is presented. The developed coating was tested ... -
Methodical evaluation and improvement of matrix compatible PDMS-overcoated coating for direct immersion solid phase microextraction gas chromatography (DI-SPME-GC)-based applications
(Elsevier, 2017-05-12)The main quest for the implementation of direct SPME to complex matrices has been the development of matrix compatible coatings that provide sufficient sensitivity towards the target analytes. In this context, we present ... -
Fast Quantitation of Target Analytes in Small Volumes of Complex Samples by Matrix-Compatible Solid-Phase Microextraction Devices
(Wiley, 2017-06-20)Herein we report the development of solid-phase microextraction (SPME) devices designed to perform fast extraction/enrichment of target analytes present in small volumes of complex matrices (i.e. V <= 10 mu L). Micro-sampling ... -
Solid Phase Microextraction On-Fiber Derivatization Using a Stable, Portable, and Reusable Pentafluorophenyl Hydrazine Standard Gas Generating Vial
(American Chemical Society, 2017-07-05)Solid phase microextraction (SPME) on-fiber derivatization methods have facilitated the achievement of lower detection limits and targeted analysis of various substances that exhibit poor chromatographic behavior, thermal ... -
A new and efficient Solid Phase Microextraction approach for analysis of high fat content food samples using a matrix-compatible coating
(Elsevier, 2017-05-15)The current work presents the optimization of a protocol enabling direct extraction of avocado samples by a new Solid Phase Microextraction matrix compatible coating. In order to further extend the coating life time, ... -
Static and Dynamic Theoretical Studies on Vibronic Model Based Potential Energy Surface(s): Locating Transition Structures and Fundamental Investigations in Time-resolved Spectroscopy
(University of Waterloo, 2017-10-05)Construction and exploration of Potential Energy Surfaces (PES) is central to the study of many interesting chemical phenomena, such as computing the rate of a chemical reaction or elucidating structure of a complex ... -
Development of Hydroarylation and Dehydration Methods for Conjugated Polymers
(University of Waterloo, 2017-09-28)Conjugated polymers represent an important next step for solar cell, field effect transistor, and light emitting diode technologies. However, there are several drawbacks to the current syntheses of this class of polymer ... -
Biological responses in rainbow darter (Etheostoma caeruleum) to changes in municipal wastewater quality in the Grand River
(University of Waterloo, 2017-09-27)This thesis is a synthesis of studies that explore the effects of urbanization on a small-bodied fish species, rainbow darter (Etheostoma caeruleum), in the central Grand River (Ontario, Canada) over time. This watershed ... -
Understanding the sensory and motor behavior of accommodation in progressive myopic children
(University of Waterloo, 2017-09-27)Introduction: Accommodation and vergence, in unison, help in maintaining a clear and single binocular vision, a linchpin for normal vision development. Under natural viewing conditions, accommodation and vergence systems ... -
Strategies for the Direct Coupling of Solid Phase Microextraction to Mass Spectrometry
(University of Waterloo, 2017-09-27)In recent years, advances in direct sample to mass spectrometry (MS) techniques have allowed for the application of these methods towards quantitative analysis in complex matrices such as biofluids and tissue. However, the ... -
Ultrafast Imaging of Molecular Processes in Small Molecules Using Coulomb Explosion Imaging
(University of Waterloo, 2017-09-27)Molecular structure and dynamics of three molecules (carbonyl sulfide, acetylene, and ethylene) are examined using various implementations of the Coulomb Explosion Imaging technique. Soft x-rays from the Canadian Light ... -
Can kynurenic acid cause myelin loss in chicken optic nerves?
(University of Waterloo, 2017-09-27)Kynurenic acid (KYNA) is one of many kynurenine intermediate products in the tryptophan metabolism pathway and has been shown to have neuro-activity. Previous work revealed that prolonged infusion of a high dose of KYNA ...
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