Results 101 to 110 of about 7,681,842 (240)
Instantaneous Wave-Free Ratio and Resting Pd/Pa in Tandem Lesions
JACC: Cardiovascular Interventions, 2018 Kikuta et al. [(1)][1] should be commended for demonstrating a good correlation between instantaneous wave-free ratio (iFR) pullback prediction and actual observation of post-percutaneous coronary intervention iFR.
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Instantaneous Wave-Free Ratio and Fractional Flow Reserve: Close, But Not Close Enough!
Journal of the American College of Cardiology, 2012 We were greatly interested by the study of Sen et al. ([1][1]), which proposes the revolutionary, vasodilator-independent index to assess significance of coronary artery stenosis—instantaneous wave-free ratio (iFR).
Rudzinski, Wojciech +2 more
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Laser‐Induced Local De‐Doping in Organic Semiconductors
Advanced Materials Technologies, EarlyView.The polymer PBTTT‐C14 doped with the small molecule acceptor F4TCNQ is considered as a benchmark material system. Mask‐free, microscale patterning of the doping level via laser‐induced heating and sublimation of dopant molecules is shown. Controlling laser irradiance and swath spacing allows dopant level control with laser‐limited resolution, opening ...
Christian Rainer +5 more
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Advanced Materials Technologies, EarlyView.Dense tactile streams from across the humanoid body converge on collide in a central wiring and data bottleneck. By relocating computation closer to and then into the skin itself, near‐ and in‐sensor architectures, together with neuromorphic computing, chart a path toward perception‐native electronic skin, in which the conversion of stimulus into ...
Mijin Kim +6 more
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Advanced Materials Technologies, EarlyView.A constraint‐based analytical framework maps the coupled effects of material properties, structural parameters, and operating conditions in tubular dielectric elastomer pumps for extracorporeal circulatory applications. The approach defines performance boundaries through mechanical, electrical, and hydraulic constraints and identifies feasible design ...
Yan Zhang +3 more
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The Diagnostic Accuracy of the Instantaneous Wave-Free Ratio [PDF]
Angiology, 2021 openaire +2 more sources
Journal of the American College of Cardiology, 2018 Instantaneous wave-free ratio (iFR) and Fractional Flow Reserve (FFR) are the most used physiologic indices in coronary artery disease (CAD) assessment. iFR and FFR are discordant in up to a fifth of cases.
Mark Mills +6 more
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Advanced Materials Technologies, EarlyView.Transparent microelectrode arrays enable simultaneous optical and electrical electrophysiology with high spatiotemporal resolution, allowing multimodal observations of dynamic biological systems. Advances in materials and device architectures improve device performance by addressing key trade‐offs between optical transparency, impedance, and ...
Michael Abraham Listyawan +6 more
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Journal of Interventional Cardiology, 2019 Background. The instantaneous wave-free ratio (iFR) is an invasive coronary physiological index that is not inferior to fractional flow reserve- (FFR-) guided revascularization. The indexes of iFR and FFR are similar and closely correlated, but there are
Hiroyuki Arashi +10 more
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Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications
Advanced Materials Technologies, EarlyView.This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo +2 more
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