Browsing Waterloo Research by Title
Now showing items 21-40 of 2142
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Accurate determination of interface trap state parameters by admittance spectroscopy in the presence of a Schottky barrier contact: Application to ZnO-based solar cells
(AIP Publishing, 2013-04-14)This work shows that when a Schottky barrier is present in a photovoltaic device, such as in a device with an ITO/ZnO contact, equivalent circuit analysis must be performed with admittance spectroscopy to accurately determine ... -
Accurate Determination of the Diffusion Coefficient of Proteins by Fourier Analysis with Whole Column Imaging Detection
(American Chemical Society, 2015-01-21)Analysis in the frequency domain is considered a powerful tool to elicit precise information from spectroscopic signals. In this study, the Fourier transformation technique is employed to determine the diffusion coefficient ... -
Accurate viscous free surfaces for buckling, coiling, and rotating liquids
(Association for Computing Machinery, 2008-07)We present a fully implicit Eulerian technique for simulating free surface viscous liquids which eliminates artifacts in previous approaches, efficiently supports variable viscosity, and allows the simulation of more ... -
Acetic and Acrylic Acid Molecular Imprinted Model Silicone Hydrogel Materials for Ciprofloxacin-HCl Delivery
(Multidisciplinary Digital Publishing Institute, 2012-01-02)Contact lenses, as an alternative drug delivery vehicle for the eye compared to eye drops, are desirable due to potential advantages in dosing regimen, bioavailability and patient tolerance/compliance. The challenge has ... -
Acrylonitrile copolymer/graphene skinned cathode for long cycle life rechargeable hybrid aqueous batteries at high-temperature
(Elsevier, 2018-04-01)For aqueous rechargeable lithium battery (ARLB), excellent cycling stability at elevated temperature is highly desirable in its application of electric vehicles (EVs). However, most state-of-art ARLBs show poor durability ... -
The action mechanism of daptomycin
(Elsevier, 2016-12-15)Daptomycin is a lipopeptide antibiotic produced by the soil bacterium Streptomyces roseosporus that is clinically used to treat severe infections with Gram-positive bacteria. In this review, we discuss the mode of action ... -
Activated Motivation: An Opportunity for HCI Research?
(University of Waterloo, 2022-02-24)Self-Determination Theory [7, 13, 14] is a decades-old, widely-validated macro-theory that describes human motivation. Generally, it defines motivation on a spectrum ranging from amotivation, or a lack of motivation, to ... -
Active Navigation in Virtual Environments Benefits Spatial Memory in Older Adults
(MDPI, 2019-03)We investigated age differences in memory for spatial routes that were either actively or passively encoded. A series of virtual environments were created and presented to 20 younger (Mean age = 19.71) and 20 older (Mean ... -
Acute effects of aerobic exercise on cognitive function in individuals with Parkinson’s disease
(Elsevier, 2018-04-03)Deficits in executive functions are highly prevalent in Parkinson’s disease (PD). Although chronic physical exercise has been shown to improve executive functions in PD, evidence of acute exercise effects is limited. This ... -
An Acyl-Linked Dimer of Daptomycin Is Strongly Inhibited by the Bacterial Cell Wall
(American Chemical Society, 2017-03-28)The lipopeptide antibiotic daptomycin is active against Gram-positive pathogens. It permeabilizes bacterial cell membranes, which involves the formation of membrane-associated oligomers. We here studied a dimer of daptomycin ... -
An adaptive variational finite difference framework for efficient symmetric octree viscosity
(ACM, 2019-07)While pressure forces are often the bottleneck in (near-)inviscid fluid simulations, viscosity can impose orders of magnitude greater computational costs at lower Reynolds numbers. We propose an implicit octree finite ... -
Additively manufactured metallic biomaterials
(Elsevier, 2021-12)Metal additive manufacturing (AM) has led to an evolution in the design and fabrication of hard tissue substitutes, enabling personalized implants to address each patient's specific needs. In addition, internal pore ... -
Addressing Health Care Needs For Frail Seniors In Canada: The Role of InterRAI Instruments
(Canadian Geriatrics Society, 2013-12-30)Fiscal pressure on the Canadian health care system results from rising numbers of frail seniors with multiple concurrent medical co-morbidities and geriatric syndromes. Improving outcomes in such seniors is contingent on ... -
Adsorption and Desorption of DNA on Graphene Oxide Studied by Fluorescently Labeled Oligonucleotides
(American Chemical Society, 2011-03-15)Being the newest member of the carbon materials family, graphene possesses many unique physical properties resulting is a wide range of applications. Recently, it was discovered that graphene oxide can effectively adsorb ... -
Adsorption of DNA Oligonucleotides by Titanium Dioxide Nanoparticles
(American Chemical Society, 2014-01-28)Titanium dioxide (TiO2) or titania shows great promise in detoxification and drug delivery. To reach its full potential, it is important to interface TiO2 with biomolecules to harness their molecular recognition function. ... -
Adsorption of DNA onto gold nanoparticles and graphene oxide: surface science and applications
(Royal Society of Chemistry, 2012-06-28)The interaction between DNA and inorganic surfaces has attracted intense research interest, as a detailed understanding of adsorption and desorption is required for DNA microarray optimization, biosensor development, and ... -
Adsorption of Nanoceria by Phosphocholine Liposomes
(American Chemical Society, 2016-12-13)Nanoceria (CeO2 nanoparticle) possesses a number of enzyme-like activities. In particular, it scavenges reactive oxygen species based on in-vitro and in vivo antioxidation studies. An important aspect of fundamental physical ... -
Adsorption of surface-modified silica nanoparticles to the interface of melt poly (lactic acid) and supercritical carbon dioxide
(ACS Publications, 2015-04-28)With the purpose of fabricating polymer nanocomposite foams and preventing coalescence in foaming processes, the interfacial tension of poly (lactic acid) (PLA) -silica composites is investigated in this work. Synthesized ... -
Advanced material applications of starch and its derivatives
(Elsevier, 2018-11-01)Starch as a natural polymer has attracted significant interest and is currently used in numerous industrial applications. This is because of its renewability, biodegradability, abundance, and cohesive film-forming properties. ... -
Advancing the evidence to improve the nutrition of populations: a refreshed vision and scope for Nutrition Journal
(Springer, 2017-07)This editorial introduces a revised and refreshed scope for Nutrition Journal, one of BioMed Central’s open access journals. Diet is among the leading risk factors for morbidity and mortality globally [1]. This signals the ...