Results 111 to 120 of about 47,611 (253)

Bioenergetic Materials for Tissue Regeneration: Modulating Metabolism to Promote Cellular Anabolism

Advanced Science, EarlyView.
Bioenergetic materials (BEMs) modulate cellular metabolism to promote tissue regeneration. Their principal mechanisms of action include metabolic substrate supplementation, metabolic enzyme modulation, organelle transfer, electrical current regulation, redox homeostasis modulation, and oxygen tension modulation.
Yuchen He, Yuwen Wang, Jonathan F. Gong, Yiting Lei, Fei Jin, Weihong Zhu, Rocky S. Tuan, Zhong Alan Li   +7 more
wiley   +1 more source

Role of electron-beam tomography in diagnosis of patency of aortocoronary and mammarocoronary bypasses (by 3-year follow-up data)

Терапевтический архив, 2003
Aim. To assess informative value of electron-beam tomography (EBT) and to compare dynamics of occlusive defects of autovenous and autoarterial shunts. Material and methods. 36 patients with coronary heart disease entered the study.
T N Veselova, V E Sinitsyn, I S Fedotenkov, V P Vasilyev, A A Shiryaev, S K Ternovoi   +5 more
doaj  

The Risk Factors for Bleeding of Fundal Varices in Patients with Liver Cirrhosis

Gut and Liver, 2013
Background/AimsThe relationship between portal hemodynamics and fundal varices has not been well documented. The purpose of this study was to understand the pathophysiology of fundal varices and to investigate bleeding risk factors related to the ...
doaj   +1 more source

Bio‐Inspired Gradient Heterogeneous Architectures for Ultrasensitive and Robust Strain Sensors via Programmable Crack Engineering

Advanced Science, EarlyView.
Inspired by the insect campaniform sensillum, a heterogeneous bilayer strain sensor is developed based on a unique impedance mismatch and three‐dimensional structural dynamic percolation strategy. The sensor enables real‐time multi‐joint teleoperation of three joints and the gripper using a six‐degree‐of‐freedom robotic‐arm platform.
Qi Wu, Tiantong Wang, Yinhao Wang, Yanggang Feng, Yan Huang   +4 more
wiley   +1 more source

A Spatiotemporal Single‐Cell Atlas Uncovers Dysregulated ECM Dynamics and Septal Remodeling Arrest in Human Ventricular Septal Defects

Advanced Science, EarlyView.
Integrating single‐cell and spatial transcriptomics reveals human ventricular septal defect (VSD) as a disease of microenvironmental insufficiency and structural remodeling arrest. Attenuated endothelial‐fibroblast crosstalk, alongside downregulated THBS1/TGF‐β1 and MMP2 signaling networks, impairs the endothelial‐to‐mesenchymal transition (EndoMT) and
Xiaoyuan Zhang, Lun Zhu, Ze Sun, Ruolin Jia, Ziming Wang, Jiayao Zhao, Bohao Liu, Haiqing Xiong, Xiaowei Yu, Yanzhu Yue   +9 more
wiley   +1 more source

Arteriovenous Shunts: Their Location and Role in Physiology, Pathology, and Tissue Transfer. A Preliminary Report in the Upper Limb

Plastic and Reconstructive Surgery, Global Open
Background:. Tiny arteriovenous (AV) shunts of 10–150 µm (0.01–0.15 mm) are documented in the hands and feet. Larger shunts up to 0.5 mm (500 µm) have been discovered by the authors in the inner canthus and the human eye.
G. Ian Taylor, AO, MD, FRACS, FRCS, Adam Gascoigne, MBBS, PhD, FRACS, Prue Dodwell, BSc, Russell Corlett, AM, MBBS, FRACS, Julian Pribaz, MD, Anand Ramakrishnan, MBBS, MPH, MD, FRACS, Georga Bruechert, PhD, Quentin Fogg, PhD, FRCPS(Glasg)   +7 more
doaj   +1 more source

Hardware Acceleration of Stochastic Neural Networks Enabled by Bit‐Cell Level Co‐Design of Magnetic Tunnel Junctions

Advanced Science, EarlyView.
An MTJ‐based probabilistic processing‐in‐memory architecture unites nonvolatile storage, local entropy generation, and stochastic computation within each memory cell. Stored multi‐bit weights are converted directly into programmable stochastic bitstreams, enabling neural‐network inference, adaptive Ising optimization, and uncertainty‐aware Bayesian ...
Qiuyuan Wang, Dooyong Koh, Brooke McGoldrick, Tudor Mocioi, Yabin Fan, Marc Baldo, Luqiao Liu   +6 more
wiley   +1 more source

Age-based algorithm for ventriculoatrial versus ventriculopleural shunt selection in pediatric hydrocephalus: a synthesis of contemporary evidence

Egyptian Journal of Neurosurgery
Background When ventriculoperitoneal (VP) shunting fails or is contraindicated, selection between ventriculoatrial (VA) and ventriculopleural (VPl) shunts remains largely empirical, driven by surgeon preference rather than evidence-based criteria ...
Maria Camila Bonilla-Lersundy, Andrés Felipe Vargas-Ardila, Pablo Alfredo Vargas-Ardila   +2 more
doaj   +1 more source

Enhanced Resistive Switching Uniformity in Tantalum Oxide Memristor Devices via Copper Implantation

Advanced Electronic Materials, EarlyView.
Metal oxide memristor devices typically suffer from uncontrolled forming processes and limited resistive switching uniformity due to the stochastic formation of an oxygen vacancy filament. Improved resistive switching uniformity in Ta2O5 memristor is developed by Cu implantation in the switching oxide.
Shaochuan Chen, Ilia Valov
wiley   +1 more source

Temporary intravascular shunts for peripheral vascular trauma

, 1992
Polyvinylchloride (PVC) disposable endotracheal suction catheters were successfully used as temporary intravascular shunts in 5 patients of popliteal artery trauma.
Magotra, R. A., Husain, A. K., Khandeparkar, J. M., Tendolkar, A. G., Parulkar, G. B.   +4 more
core   +2 more sources