Results 51 to 60 of about 28,138 (266)

A Magnetic Shunt Based Magnetic Structure for Coupled Inductor Filters

IET Power Electronics
ABSTRACT This article presents a magnetic structure for coupled inductor filters that simplifies the adjustment of the coupling factor between the windings and the target mutual and self‐inductances to achieve a zero‐ripple input current. The proposed structure utilizes a low‐permeability ferrite polymer in the core gap.
Christian Buzzio, Germán Gustavo Oggier, Roberto Francisco Coelho, Denizar Cruz Martins   +3 more
openaire   +2 more sources

Interventional Cardiovascular Magnetic Resonance Imaging (iCMR) in an Adolescent with Pulmonary Hypertension

Medicina, 2020
The interventional cardiac magnetic resonance imaging (iCMR) catheterization procedure is feasible and safe for children and adults with pulmonary hypertension and congenital heart defects (CHD).
Surendranath R. Veeram Reddy, Yousef Arar, Tarique Hussain, Gerald Greil, Luis Zabala, Bibhuti B. Das   +5 more
doaj   +1 more source

On the Magnetic Shunt Characteristics of Fe-Ni-Cr Alloys and M. S. Alloy

, 2010
application/pdfFor the purpose of improving the magnetic shunt alloys hitherto used, the magnetic properties of Fe-Ni-Cr alloys, containing 30～60% of Ni, 1～18% of Cr and having no allotropic transformation, were measured at various temperatures ranging ...
MASUMOTO, Hakaru, OHARA, Toru, SHIRAKAWA, Yuki   +2 more
core   +1 more source

Ultra‐Radiostable Covalent Conformationally Interlocked Networks Enabling a Universal Radiometal‐Labeling Platform for Cancer Radioembolization

Advanced Science, EarlyView.
Conjugated poly(imide dioxime)‐based microspheres establish a radiometal coordination‐driven conformational interlocked network with ultra‐high radiostability. This platform enables low‐temperature, multi‐radionuclide labeling for SPECT/PET/MRI imaging and radionuclide therapy. Mechanistic insights from EXAFS and DFT reveal enhanced stability, while in
Xiao Xu, Zhenwen Zhao, Yangjie Wang, Zhigang Liu, Zhijie Liu, Xiaoling Li, Zhichen Mao, Lu Xu, Gan Lin, Gang Liu, Hongjuan Ma   +10 more
wiley   +1 more source

Alcohol‐Adduct Mediated Precursor Stabilization Strategies for Conformal SnO2 Layers in Highly Efficient and Stable Perovskite Solar Modules

Advanced Energy Materials, EarlyView.
An alcohol‐adduct‐mediated strategy is employed to stabilize tin isopropoxide for the formation of a homogeneous double electron transport layer (ETL) incorporating SnO2 nanoparticles (NPs). This double‐ETL exhibits improved optical and charge‐transport properties due to reduced defect density and better energy level alignment, resulting in high ...
You‐Hyun Seo, Eun Young Park, Chan Su Moon, Dong Gyu Lee, Junho Park, Fabian Rotermund, Gill Sang Han, Tae Kyung Lee, Nam Joong Jeon, Bong Joo Kang, Young Yun Kim   +10 more
wiley   +1 more source

The Effect of Constant Magnetic Fields on Programmable Shunts

Natural and Applied Sciences Journal, 2018
The valve pressure settings of the programmable shunt valves may be changed undesirably in the high magnetic field environments, and in many cases, these changes are not noticeable. Recent studies have shown that this effect increases in parallel with the increasing diversity of permanent magnet containing devices used in daily life. In this study, the
Hüseyin KURTULDU, Büşra ÖZGEDE
openaire   +3 more sources

Quantification of cerebral circulation and shunt volume in a tentorial dural arteriovenous fistula using two-dimensional phase-contrast magnetic resonance imaging

Acta Radiologica Short Reports, 2014
Venous hypertension is closely related to poor outcome of a dural arteriovenous fistula (DAVF). However, no direct measurements have been made of the shunt flow and impaired venous drainage that are suggestive of venous hypertension. We present a case of
Sung Won Youn, Ho Kyun Kim, Hui Joong Lee, Jongmin Lee   +3 more
doaj   +1 more source

Reproducing Patient-Specific Hemodynamics in the Blalock–Taussig Circulation Using a Flexible Multi-Domain Simulation Framework: Applications for Optimal Shunt Design

Frontiers in Pediatrics, 2017
For babies born with hypoplastic left heart syndrome, several open-heart surgeries are required. During Stage I, a Norwood procedure is performed to construct an appropriate circulation to both the systemic and the pulmonary arteries.
Christopher J. Arthurs, Pradyumn Agarwal, Anna V. John, Adam L. Dorfman, Ronald G. Grifka, C. Alberto Figueroa, C. Alberto Figueroa   +6 more
doaj   +1 more source

Role of Diffusion Tensor Imaging in Diagnosis and Estimation of Shunt Effect for Hydrocephalus in Stroke Patients: A Narrative Review

Diagnostics, 2022
Hydrocephalus is a dilatation of the brain ventricular system by the accumulation of cerebrospinal fluid within the ventricle caused by impaired cerebrospinal fluid circulation or clearance. A diagnosis of hydrocephalus at the chronic stage of stroke has
Sung-Ho Jang, Min-Jye Cho
doaj   +1 more source

Regional gas exchange evaluation during ex vivo lung perfusion in a swine model of localized lung dysfunction

Animal Models and Experimental Medicine, EarlyView.
Abstract Background Ex vivo lung perfusion (EVLP) allows the evaluation of lungs that do not meet standard transplantation criteria. Current procedures do not permit the identification of regional functional deficits. We investigated the feasibility of assessing lobar gas exchange during EVLP in a swine model.
Giulia Maria Ruggeri, Elena Chiodaroli, Matteo Montoli, Sara Pieropan, Alessandro Santini, Gianluca Lopez, Michele Battistin, Luigi Vivona, Sebastiano Maria Colombo, Jacopo Fumagalli, Eleonora Carlesso, Stefano Ferrero, Lorenzo Rosso, Stefano Gatti, Antonio Maria Pesenti, Giacomo Grasselli, Alberto Zanella   +16 more
wiley   +1 more source