Browsing Waterloo Research by Title
Now showing items 2039-2058 of 2452
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A self-regulatory approach to understanding boredom proneness
(Taylor and Francis, 2016-11-16)We investigated the relationship between self-regulation and two types of boredom proneness (perceived lack of internal stimulation, perceived lack of external stimulation) using a variety of measures of self-regulation. ... -
Semi-continuous measurement of oxygen demand in wastewater using biofilm-capacitance
(Elsevier, 2018-09-01)Bio-capacitive coulombs were tested for determination of the 5-day biochemical oxygen demand (BOD5) using a dual-chamber microbial electrochemical cell (MxC) operated at charging (open circuit) and discharging (close ... -
The semiconductor properties of passive films and corrosion behavior of stainless steel reinforcing bars in simulated concrete pore solution
(Elsevier, 2019-06)The vulnerability of concrete reinforcing steels to corrosion when depassivation occurs, typically in the presence of chloride, makes it important to understand the nature of the steels’ passive films. In Part I of the ... -
Semiparametric inference on the means of multiple nonnegative distributions with excess zero observations
(Elsevier, 2018-07-01)A non-standard, but not uncommon, situation is to observe multiple samples of nonnegative data which have a high proportion of zeros. This is the so-called excess of zeros situation and this paper looks at the problem of ... -
Semiparametric recurrent event vs time-to-first-event analyses in randomized trials: Estimands and model misspecification
(John Wiley & Sons Ltd., 2021-04-20)Insights regarding the merits of recurrent event and time-to-first-event analyses are needed to provide guidance on strategies for analyzing intervention effects in randomized trials involving recurrent event responses. ... -
Sensing guanine and its derivatives: From molecular recognition to applications
(Elsevier, 2020-11)Guanine plays an indispensable role in building nucleic acids, and its derivatives take part in various cellular functions such as regulating biological reactions and signal transduction. Monitoring the levels of guanine ... -
Sensing Parts-per-Trillion Cd2+, Hg2+ and Pb2+ Collectively and Individually Using Phosphorothioate DNAzymes
(American Chemical Society, 2014-05-22)Cadmium, mercury, and lead are collectively banned by many countries and regions in electronic devices due to their extremely high toxicity. To date, no sensing method can detect them as a group and also individually with ... -
A sensitive search for dark energy through chameleon scalar fields using neutron interferometry
(IOP Publishing, 2015-01-22)The physical origin of the dark energy, which is postulated to cause the accelerated expansion rate of the universe, is one of the major open questions of cosmology. A large subset of theories postulate the existence of a ... -
Sensitivity of the Solar Heat Gain Coefficient of Complex Fenestration Systems to the Indoor Convection Coefficient
(International Building Performance Simulation Association, 2016)Accurate estimation of the solar gain of a fenestration system is important in analyzing the energy performance of buildings. Recently, models were developed for complex fenestration systems – glazing systems with attachments ... -
Sensor Array for Volatile Organic Compounds based on Doped Poly (2,5-dimethyl aniline)
(Wiley, 2016-12)A sensor array containing five different sensing materials has been created that is able to distinguish between six different volatile organic compounds (VOCs) at an analyte concentration of 5 ppm. While none of the sensing ... -
Sensor Choice for Minimum Error Variance Estimation
(Institute of Electrical and Electronics Engineers, 2017-06-12)A Kalman filter is optimal in that the variance of the error is minimized by the estimator. It is shown here, in an infinite-dimensional context, that the solution to an operator Riccati equation minimizes the steady-state ... -
Sensory Stimulation Training for BCI System based on Somatosensory Attentional Orientation
(Institute of Electrical and Electronics Engineers, 2018-07-04)In this study, we propose a sensory stimulation training (SST) approach to improve the performance of a brain-computer interface (BCI) based on somatosensory attentional orientation (SAO). In this BCI, subjects imagine the ... -
Separating and probing tautomers of protonated nucleobases using differential mobility spectrometry
(Elsevier, 2017-08-26)The protonated nucleobases (C+H)+, (T+H)+, (U+H)+, (A+H)+, and (G+H)+ are investigated in a combined experimental and computational study using differential mobility spectrometry (DMS), mass spectrometry, and electronic ... -
Separation of nanoparticles by a nano-orifice based DC-dielectrophoresis method in a pressure-driven flow
(Royal Society of Chemistry, 2016-10-07)A novel DC-dielectrophoresis (DEP) method employing a pressure-driven flow for the continuous separation of micro/nano-particles is presented in this paper. To generate the DEP force, a small voltage difference is applied ... -
Serum IgM, MH class IIβ genotype and respiratory burst activity do not differ between rainbow trout families displaying resistance or susceptibility to the coldwater pathogen, Flavobacterium psychrophilum
(Elsevier, 2018-01-20)Flavobacterium psychrophilum, the causative agent of bacterial coldwater disease (BCWD) is a significant threat to global aquaculture. True to its name, BCWD tends to occur at temperatures between 8 and 12°C and presents ... -
Settleable engineered titanium dioxide nanomaterials for the removal of natural organic matter from drinking water
(Elsevier, 2018-02-15)Four linear engineered TiO2 nanomaterials (LENs) were synthesized and evaluated in terms of settlability and their ability to remove natural organic matter (NOM) from river water. The size, surface characteristics, and ... -
Sex differences in solute and water handling in the human kidney: Modeling and functional implications
(Elsevier, 2021-06)The kidneys maintain homeostasis by controlling the amount of water and electrolytes in the blood. That function is accomplished by the nephrons, which transform glomerular filtrate into urine by a transport process mediated ... -
Sex-specific long-term blood pressure regulation: Modeling and analysis
(Elsevier, 2019-01)Hypertension is a global health challenge: it affects one billion people worldwide and is estimated to account for 60% of all cases or types of cardiovascular disease. In part because sex differences in blood pressure ... -
Sexual Behavior, Risk Perception, And Hiv Transmission Can Respond To Hiv Antiviral Drugs And Vaccines Through Multiple Pathways
(Nature Publishing Group, 2015-10-28)There has been growing use of highly active antiretroviral treatment (HAART) for HIV and significant progress in developing prophylactic HIV vaccines. The simplest theories of counterproductive behavioral responses to such ... -
Shale heavy metal isotope records of low environmental O2 between two Archean oxidation events.
(Frontiers Media, 2022-04-26)Evidence of molecular oxygen (O₂) accumulation at Earth’s surface during the Archean (4.0–2.5 billion years ago, or Ga) seems to increase in its abundance and compelling nature toward the end of the eon, during the runup ...