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Advanced Robotics for the Next-Generation of Cardiac Interventions

Author(s): Roshanfar M; Salimi M; Kaboodrangi AH; Jang SJ; Sinusas AJ; Wong SC; Mosadegh B;

With an increasing number of elderly individuals, the demand for advanced technologies to treat cardiac diseases has become more critical than ever. Additionally, there is a pressing need to reduce the learning curve for cardiac interventionalists to keep pace with the rapid development of new types of procedures and devices and to expand the adoption of ...

Article GUID: 40283240


PEDOT:PSS-MWCNT Nanocomposite Wire for Routing in Energy Harvesting Devices

Author(s): Shafagh SH; Deen I; Mamsapuram Panneerselvam D; Packirisamy M;

Polydimethylsiloxane (PDMS) and poly(3,4-ethylene dioxythiophene):poly(4-styrene-sulfonate) (PEDOT:PSS) composites were tested to determine their suitability for charging small-scale batteries in conjunction with a piezoelectric actuator as an energy harvester. Two different PEDOT:PSS patterns (zigzag and serpentine) were tested, and the maximum DC voltag ...

Article GUID: 40283259


Effect of Microstructure on Oxidation Resistance and TGO Formation in FeCoNiCrAl HEA Coatings Deposited by Low-Temperature HVAF Spraying

Author(s): Shahbazi H; Lima RS; Stoyanov P; Moreau C;

The effects of microstructure, density, and porosity of a FeCoNiCrAl high-entropy alloy (HEA) coating, fabricated using an internal diameter high-velocity air fuel (ID-HVAF) torch (model: i7 ID), on the isothermal oxidation behavior were investigated. This study pioneers the use of the ID-HVAF i7 ID system for HEA bond coat manufacturing, achieving a high ...

Article GUID: 40271745


CASCADE-FSL: Few-shot learning for collateral evaluation in ischemic stroke

Author(s): Aktar M; Tampieri D; Xiao Y; Rivaz H; Kersten-Oertel M;

Assessing collateral circulation is essential in determining the best treatment for ischemic stroke patients as good collaterals lead to different treatment options, i.e., thrombectomy, whereas poor collaterals can adversely affect the treatment by leading to excess bleeding and eventually death. To reduce inter- and intra-rater variability and save time ...

Article GUID: 40250214


Hippocampal output suppresses orbitofrontal cortex schema cell formation

Author(s): Zong W; Zhou J; Gardner MPH; Zhang Z; Costa KM; Schoenbaum G;

Both the orbitofrontal cortex (OFC) and the hippocampus (HC) are implicated in the formation of cognitive maps and their generalization into schemas. However, how these areas interact in supporting this function remains unclear, with some proposals supporting a serial model in which the OFC draws on task representations created by the HC to extract key be ...

Article GUID: 40229506


High selectivity framework polymer membranes chemically tuned towards fast anion conduction

Author(s): Fang J; Zhang G; Goulet MA; Zuo P; Zhou Y; Li H; Jiang J; Guiver MD; Yang Z; Xu T;

Studying ion transport in the interaction confinement regime has important implications for membrane design and advanced electrochemical devices. A key example is the rapid-charging capability of aqueous organic redox flow batteries, enabled by near-frictionless Na+/K+ transport within triazine framework membranes. However, achieving similar breakthroughs ...

Article GUID: 40188171


A dual-functional nanogold tablet as a plasmonic and nanozyme sensor for point-of-care applications

Author(s): Sadiq Z; Safiabadi Tali SH; Mansouri M; Jahanshahi-Anbuhi S;

Point-of-care (POC) devices provide on-site disease diagnosis, particularly in resource-limited settings. Despite considerable progress in POC testing, the availability of commercial devices remains limited, primarily due to challenges in detection sensitivity and portability. Furthermore, advancements in existing POC devices are essential to better meet ...

Article GUID: 40177386


Improving diacetylene photopolymerization in monolayers and ultrathin films

Author(s): Ji J; Li Y; Bernaerts S; Mali KS; Ding R; Lin H; Cuccia LA; De Feyter S; Ivasenko O; Chi L; Fang Y;

Gentle annealing and photopolymerization under inert atmospheres strongly enhance the quality of polydiacetylene monolayers. These simple measures not only triple the average degree of polymerization but also alter the preferred photoexcitation mode and cause pronounced nano-alignment during the early stages of polymerization.

Article GUID: 40171944


Synergistic adsorption mechanism of heavy metals on zinc oxide/phosphate modified gel-biochar composites

Author(s): Wang H; Zhang L; Ji J; Wang A; Wen J; Chen Z;

In this study, waste catering oil was processed into a gel (NJ), sesame straw was processed into biochar (ZM), and the two were modified with zinc oxide nanoparticles and phosphoric acid to form NJZ and ZMP, respectively. Both materials were then coupled to obtain a polymer gel-biochar composite (N-Z). The materials were characterised by infrared spectros ...

Article GUID: 40159819


Integrating past experiences

Author(s): Leir TMW; Gardner MPH;

New results help address a longstanding debate regarding which learning strategies allow animals to anticipate negative events based on past associations between sensory stimuli.

Article GUID: 40146623


Protocol for evaluating neuronal activity and neurotransmitter release following amyloid-beta oligomer injections into the rat hippocampus

Author(s): Hervé V; Bonenfant L; Amyot M; Balafrej R; Ali OBK; Benali H; Brouillette J;

In Alzheimer's disease, there is an imbalance in neurotransmitter release and altered neuronal activation. Here, we present a protocol approach to analyze neuronal activity by combining local field potential (LFP) recording with microdialysis within the same animal. We describe steps for measuring glutamate and GABA levels following hippocampal amyloi ...

Article GUID: 40131934


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