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A multimodal neuroimaging study of youth at risk for substance use disorders: Functional magnetic resonance imaging and [18F]fallypride positron emission tomography

Author(s): Nikolic M; Cox SML; Jaworska N; Castellanos-Ryan N; Dagher A; Vitaro F; Brendgen M; Parent S; Boivin M; Côté S; Tremblay RE; Séguin JR; Leyton M;

Background: Adolescent alcohol use is the norm, but only some develop a substance use disorder. The increased risk might reflect heightened mesocorticolimbic responses to reward-related cues but results published to date have been inconsistent. Methods: Young social drinkers (age 18.5 ± 0.6 y.o. ...

Article GUID: 39725679


Progesterone and allopregnanolone facilitate excitatory synaptic transmission in the infralimbic cortex via activation of membrane progesterone receptors

Author(s): Rahaei N; Buynack LM; Kires L; Movasseghi Y; Chapman CA;

Estrogens and progesterone can have rapid effects on neuronal function and can modify the use of spatial navigation strategies dependent upon the prefrontal cortex, striatum, and hippocampus. Here, we assessed the effects of 17ß-estradiol (E2), progesterone, and its metabolite allopregnanolone, on evoked excitatory postsynaptic potentials in the infralimb ...

Article GUID: 39722289


Butyl Acrylate/2-Methylene-1,3-Dioxepane/Vinyl Acetate Emulsion Terpolymerization: Incorporating Backbone Degradable Linkages into Adhesive Applications

Author(s): Meek K; Movafagh M; Dubé MA;

The ring-opening polymerization of bio-based monomer 2-methylene-1,3-dioxepane (MDO) can reportedly enhance polymer degradability. Butyl acrylate (BA)/MDO/vinyl acetate (VAc) terpolymers were synthesized via emulsion polymerization for their eventual application as pressure-sensitive adhesives (PSAs). While using MDO in emulsion polymerization leads to a ...

Article GUID: 39719378


Virtual reality-based preoperative planning for optimized trocar placement in thoracic surgery: A preliminary study

Author(s): Harirpoush A; Rakovich G; Kersten-Oertel M; Xiao Y;

Video-assisted thoracic surgery (VATS) is a minimally invasive approach for treating early-stage non-small-cell lung cancer. Optimal trocar placement during VATS ensures comprehensive access to the thoracic cavity, provides a panoramic endoscopic view, and prevents instrument crowding. While established principles such as the Baseball Diamond Principle (B ...

Article GUID: 39720764


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


Two-dimensional Nanosheets by Liquid Metal Exfoliation

Author(s): Bai Y; Xu Y; Sun L; Ward Z; Wang H; Ratnayake G; Wang C; Zhao M; He H; Gao J; Wu M; Lu S; Bepete G; Peng D; Liu B; Kang F; Terrones H; Terrones M; Lei Y;

Liquid exfoliation is a scalable and effective method for synthesizing 2D nanosheets (NSs) but often induces contamination and defects. Here, liquid metal gallium (Ga) is used to exfoliate bulk layered materials into 2D NSs at near room temperature, utilizing the liquid surface tension and Ga int ...

Article GUID: 39707650


Isotopic and molecular analyses of n-alkanes in a temporal study of coastal sediment contributions to organic carbon degradation induced by algal bloom and terrestrial runoff

Author(s): Mirzaei Y; Douglas PMJ; Gélinas Y;

The priming effect (PE) refers to the enhanced remineralization of recalcitrant organic carbon (OC) driven by the respiration of labile OC, potentially increasing CO2 fluxes from aquatic ecosystems. Patterns of PE induced by marine and terrestrial OC inputs can be explored through sedimentary contributions to the degraded OC pool. In this study, coastal s ...

Article GUID: 39700996


Editorial: Insight in non-pharmacological treatment of pain-2023

Author(s): Geoffrey Dover

No abstract available

Article GUID: 39697557


Challenges and promises of big team comparative cognition

Author(s): Alessandroni N; Altschul D; Baumgartner HA; Bazhydai M; Brosnan SF; Byers-Heinlein K; Call J; Chittka L; Elsherif M; Espinosa J; Freeman MS; Gjoneska B; Güntürkün O; Huber L; Krasheninnikova A; Mazza V; Miller R; Moreau D; Nawroth C; Pronizius E; Ruiz-Fernández S; Schwing R; Šlipogor V; Visser I; ...

No abstract available

Article GUID: 39695249


A 13,000-year history of vegetation and fire in a rare inland pine barrens: The Albany Pine Bush (Albany County, New York, USA)

Author(s): Tremblay M; Stager JC; St-Jacques JM; Murphy S; Peros M; Carl BS;

Two radiocarbon-dated pollen and charcoal records from cores collected at Stump Pond and a wetland in suburban Albany County, New York, provide new insights into the environmental history of a unique inland pine barrens that is currently surrounded and threatened by urban development: the Albany Pine Bush (APB). The Stump Pond core shows that the pond for ...

Article GUID: 39693293


Oil spills in coastal regions of the Arctic and Subarctic: Environmental impacts, response tactics, and preparedness

Author(s): Bi H; Wang Z; Yue R; Sui J; Mulligan CN; Lee K; Pegau S; Chen Z; An C;

Coastal areas of the Arctic and Subarctic are vulnerable to accidental oil spills, impacting the ecosystem, society, and economy. This article provides a comprehensive overview of oil spill pollution issues in cold regions, focusing on environmental impacts, oil transport and fate, coastal/shoreline response measures, and the state of current internationa ...

Article GUID: 39689468


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