Results 201 to 210 of about 2,852,884 (391)

Computation of incompressible viscous flows through artificial heart devices with moving boundaries [PDF]

open access: yes
The extension of computational fluid dynamics techniques to artificial heart flow simulations is illustrated. Unsteady incompressible Navier-Stokes equations written in 3-D generalized curvilinear coordinates are solved iteratively at each physical time ...
Chang, I.-DEE   +3 more
core   +1 more source

Supernumerary heart valves [PDF]

open access: yesThe Journal of Thoracic and Cardiovascular Surgery, 1995
openaire   +2 more sources

Dual‐Graded Microstructure Engineering for Flexible Piezoresistive Sensors with High Sensitivity and Broad Linear Range in Physiological Monitoring

open access: yesAdvanced Science, EarlyView.
A flexible piezoresistive pressure sensor with dual‐graded microstructures achieves both high sensitivity (69.8 kPa⁻¹) and a broad linear range up to 300 kPa (R2 = 0.997). Synergizing structural deformation and tunneling conduction, it enables rapid, stable, and accurate detection of subtle physiological signals, offering a scalable and cost‐effective ...
Ningning Bai   +11 more
wiley   +1 more source

Total heart-valve replacement in the pediatric age group

open access: bronze, 1967
Joseph M. Van De Water   +2 more
openalex   +1 more source

Opening characteristics of three-cusp tissue heart valves [PDF]

open access: bronze, 1973
P. D. Swales   +3 more
openalex   +1 more source

Atrial Fibroblasts‐Derived Extracellular Vesicles Exacerbate Atrial Arrhythmogenesis

open access: yesAdvanced Science, EarlyView.
Exosome miR‐224‐5p derived from angiotensin II‐treated atrial fibroblasts creates a substrate for AF by promoting atrial electrical remodeling. Increased exosome miR‐224‐5p enhances AF susceptibility by inhibiting CACNA1c expression and decreasing ICa current of atrial cardiomyocytes.
Yue Yuan   +13 more
wiley   +1 more source

Computational modeling guides tissue-engineered heart valve design for long-term in vivo performance in a translational sheep model

open access: yesScience Translational Medicine, 2018
M. Emmert   +14 more
semanticscholar   +1 more source

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