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Insights from multiple stable isotopes (C, N, Cl) into the photodegradation of herbicides atrazine and metolachlor

Author(s): Levesque-Vargas M; Ohlund L; Sleno L; Gélinas Y; Höhener P; Ponsin V;

Many processes can contribute to the attenuation of the frequently detected and toxic herbicides atrazine and metolachlor in surface water, including photodegradation. Multi-element compound-specific isotope analysis has the potential to decipher between these different degradation pathways as Cl is a promising tool for both pathway identification and a s ...

Article GUID: 39716600


The effect of micro-vessel viscosity on the resonance response of a two-microbubble system

Author(s): Yusefi H; Helfield B;

Clinical ultrasound contrast agent microbubbles remain intravascular and are between 1-8 µm in diameter, with a volume-weighted mean size of 2-3 µm. Despite their worldwide clinical utility as a diagnostic contrast agent, and their continued and ongoing success as a local therapeutic vector, the fundamental interplay between microbubbles - including bubbl ...

Article GUID: 39705920


Asymmetric autocatalytic reactions and their stationary distribution

Author(s): Gallinger C; Popovic L;

We consider a general class of autocatalytic reactions, which has been shown to display stochastic switching behaviour (discreteness-induced transitions (DITs)) in some parameter regimes. This behaviour was shown to occur either when the overall species count is low or when the rate of inflow and outflow of species is relatively much smaller than the rate ...

Article GUID: 39679357


Ce-doped MnOx mixed with polyvinylidene fluoride as an amplified ozone decomposition filter medium in humid conditions

Author(s): Namdari M; Haghighat F; Lee CS;

Ozone is a hazardous air pollutant with significant adverse effects on human health and the environment. With the growing industrial use of ozone, effective ozone removal systems have become essential, especially to protect workers' health. MnOx-based catalysts offer substantial promise for ozone decomposition; however, a major challenge in their appl ...

Article GUID: 39579188


Leveraging Personal Technologies in the Treatment of Schizophrenia Spectrum Disorders: Scoping Review

Author(s): D' Arcey J; Torous J; Asuncion TR; Tackaberry-Giddens L; Zahid A; Ishak M; Foussias G; Kidd S;

Background: Digital mental health is a rapidly growing field with an increasing evidence base due to its potential scalability and impacts on access to mental health care. Further, within underfunded service systems, leveraging personal technologies to deliver or support specialized service deliv ...

Article GUID: 39348196


Electrochemical Nitrate Reduction to Ammonia on AuCu Single-atom Alloy Aerogels under Wide Potential Window

Author(s): Yu J; Gao RT; Guo X; Nguyen NT; Wu L; Wang L;

Electrocatalytic nitrate reduction to ammonia (NO3RR) is very attractive for nitrate removal and ammonia production in industrial processes. However, the nitrate reduction reaction is characterized by intense hydrogen competition at strong reduction potentials, which greatly limits the Faraday efficiency at strong reduction potentials. Herein, we reported ...

Article GUID: 39264141


Cortical-subcortical interactions underlie processing of auditory predictions measured with 7T fMRI

Author(s): Ara A; Provias V; Sitek K; Coffey EBJ; Zatorre RJ;

Perception integrates both sensory inputs and internal models of the environment. In the auditory domain, predictions play a critical role because of the temporal nature of sounds. However, the precise contribution of cortical and subcortical structures in these processes and their interaction remain unclear. It is also unclear whether these brain interac ...

Article GUID: 39087881


Evidence of isochorismate channeling between the Escherichia coli enterobactin biosynthetic enzymes EntC and EntB

Author(s): Bin X; Pawelek PD;

Enterobactin is a high-affinity iron chelator produced and secreted by Escherichia coli and Salmonella typhimurium to scavenge scarce extracellular Fe3+ as a micronutrient. EntC and EntB are the first two enzymes in the enterobactin biosynthetic pathway. Isochorismate, produced by EntC, is a substrate for EntB isochorismatase. By using a competing isochor ...

Article GUID: 39031458


Weight bias among Canadians: Associations with sociodemographics, BMI and body image constructs

Author(s): Côté M; Forouhar V; Edache IY; Alberga AS;

This cross-sectional study examined the associations between sociodemographic characteristics, BMI, and body image constructs (body satisfaction and weight bias internalization; WBI) and explicit weight bias. A near-representative sample of 995 English-speaking Canadian adults (52% Female) completed a survey which assessed explicit weight bias (Anti-Fat A ...

Article GUID: 38964079


A randomized controlled trial of an acceptance-based, insight-inducing medication adherence therapy (AIM-AT) for adults with early-stage psychosis

Author(s): Chien WT; Chong YY; Bressington D; McMaster CW;

This study aimed to test the effectiveness of an acceptance-based medication adherence intervention for people with early-stage psychosis. An assessor-blind, three-arm randomized controlled trial design was used. One hundred and twenty-six participants who were adults with =3 years of psychosis were recruited from four district Integrated Community Center ...

Article GUID: 38908265


Cognitive Speed in Neurodegenerative Disease: Comparing Mean Rate and Inconsistency Within and Across the Alzheimer's and Lewy Body Spectra in the COMPASS-ND Study

Author(s): Caballero HS; McFall GP; Gee M; MacDonald S; Phillips NA; Fogarty J; Montero-Odasso M; Camicioli R; Dixon RA;

Background: Alzheimer's disease (AD) and Lewy body disease (LBD) are characterized by early and gradual worsening perturbations in speeded cognitive responses. Objective: Using simple and choice reaction time tasks, we compared two indicators of cognitive speed within and across the AD and L ...

Article GUID: 38875040


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