Results 101 to 110 of about 134,907 (287)
Advanced Science, EarlyView.A programmable 2048‐element circular ultrasound array combined with a compact acoustic lens produces a thin “sound sheet” over a large field of view, and records echoes with wide angular diversity across the ring aperture. Coherence‐enhanced beamforming converts full‐matrix data into high‐contrast tomographic slices, delivering near‐diffraction‐limited
Qiu‐De Zhang +11 more
wiley +1 more source
Role of MicroRNAs in innate neuroprotection mechanisms due to preconditioning of the brain
Frontiers in Neuroscience, 2015 Insults to the brain that are sub-threshold for damage activate endogenous protective pathways, which can temporarily protect the brain against a subsequent harmful episode.
Eva Maria Jimenez-Mateos
doaj +1 more source
Advanced Science, EarlyView.We developed an implantable dual‐drug depot using GelMA for bone metastasis treatment, co‐delivering MSA‐2 and αB7‐H3‐loaded CaCO3 microparticles. Sustained release from GelMA scaffold enables MSA‐2 to activate STING signaling and enhance T‐cell infiltration and activation, while sequentially released αB7‐H3 blocks MSA‐2‐induced B7‐H3 upregulation ...
Qijun Lin +10 more
wiley +1 more source
A discretisation method with the $H_{\rm div}$ inner product for electric field integral equations
, 2016 A discretisation method with the $H_{\rm div}$ inner product for the electric field integral equation~(EFIE) is proposed. The EFIE with the conventional Galerkin discretisation shows bad accuracy for problems with a small frequency, a problem known as ...
Akagi, Sho +2 more
core +1 more source
Advanced Science, EarlyView.We studied how five common immunosuppressants behave when delivered directly to a transplant site instead of systemically. Using a vascularized implant for islet transplantation, we show that local delivery protects grafts, limits drug spread to the rest of the body, and produces distinct immune signatures.
Jocelyn Nikita Campa‐Carranza +19 more
wiley +1 more source
Fast and accurate surface normal integration on non-rectangular domains
Computational Visual Media, 2017 The integration of surface normals for the purpose of computing the shape of a surface in 3D space is a classic problem in computer vision. However, even nowadays it is still a challenging task to devise a method that is flexible enough to work on non ...
Martin Bähr +4 more
doaj +1 more source
Acceleration Schemes for Ab-Initio Molecular Dynamics and Electronic Structure Calculations
, 1994 We study the convergence and the stability of fictitious dynamical methods for electrons. First, we show that a particular damped second-order dynamics has a much faster rate of convergence to the ground-state than first-order steepest descent algorithms
A. Pasquarello +26 more
core +2 more sources
Inherently Disordered Auxetic Metamaterials
Advanced Science, EarlyView.Inherently disordered auxetic metamaterials based on random chiral Delaunay triangulations are designed and investigated using numerical simulations and experimental tests. These disordered frameworks exhibit orthotropic behavior and a large negative Poisson's ratio (ca.
Matteo Montanari +3 more
wiley +1 more source
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2016 BackgroundSphingosine‐1‐phosphate plays vital roles in cardiomyocyte physiology, myocardial ischemia–reperfusion injury, and ischemic preconditioning. The function of the cardiomyocyte sphingosine‐1‐phosphate receptor 1 (S1P1) in vivo is unknown. Methods
Petra Keul +25 more
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