Results 101 to 110 of about 119,428 (354)

A Computational Journey Toward an Optimal Design for Metamaterial Epicardial Passive Sleeves

open access: yesAdvanced Healthcare Materials, EarlyView.
Passive epicardial sleeves are evaluated in 3D in‐silico heart models to reveal how sleeve geometry, stiffness, anisotropy, and metamaterial architecture influence cardiac mechanics after myocardial infarction. A continuum‐to‐auxetic design exploration shows that region‐specific mechanical engagement can reduce infarct bulging and modulate torsional ...
Vahid Naeini   +8 more
wiley   +1 more source

Exhaust Gas Flow Behavior in a Two-Stroke Engine.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 1993
<div class="htmlview paragraph">The velocity variations of the burnt exhaust gas in a practical fired two-stroke engine operating under wide-open-throttle conditions were measured by a fiber LDV ( FLDV ). The characteristics of the exhaust flow are discussed in comparison with those in motoring and in a transfer port.
Tetsuya Ohira   +4 more
openaire   +2 more sources

A Novel Brain Penetrable Nanocarrier Delivers Brain‐Derived Neurotrophic Factor to Treat Alzheimer's Disease

open access: yesAdvanced Healthcare Materials, EarlyView.
A novel blood‐brain barrier‐penetrating terpolymer nanoparticle to deliver brain‐derived neurotrophic factor (BDNF) for the treatment of Alzheimer's disease (AD) is designed. The BDNF‐TPN significantly enhances BDNF accumulation in the brain following intravenous injection, reduces apoptosis and neuroinflammation, thus promoting neuronal survival and ...
Lily Yi Li   +8 more
wiley   +1 more source

Adapted Speed Control of Two-Stroke Engine with Propeller for Small UAVs Based on Scavenging Measurement and Modeling

open access: yesAerospace
The speed of the engine–propeller directly determines the power output for Unmanned Aerial Vehicles (UAV) with internal combustion engines. However, variable air pressure can impact the engine’s air exchange and combustion processes, causing minor ...
Yifang Feng   +3 more
doaj   +1 more source

An Investigation of the Composition of the Flow in and out of a Two-Stroke Diesel Engine and Air Consumption Ratio

open access: yesEnergies, 2017
The aim of this research was to investigate the mass, substance and energy flow through two-stroke low speed Diesel engines. For this reason, a zero-dimensional model of the combustion in the engine was developed with a calculated amount and composition ...
Mirko Grljušić   +2 more
doaj   +1 more source

Translational Considerations for Injectable Biomaterials and Bioscaffolds to Repair and Regenerate Brain Tissue

open access: yesAdvanced Healthcare Materials, EarlyView.
The repair and regeneration of brain tissue faces both biological and technical challenges. Injectable bioscaffolds offer new opportunities to stimulate tissue regrowth in the brain by recruiting neural stem cells. Here, the translational issues are reviewed that need to be address to advance this promising new therapeutic approach from the bench to ...
Michel Modo, Alena Kisel
wiley   +1 more source

Modular Platform for Rapidly Investigating Long‐Distance Propagation of Human Neural Network Activity

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents the first human neural organoid culture model capable of rapidly exhibiting long‐distance neural network propagation, thus delivering a system to experimentally investigate large‐scale communication during normal and diseased states.
Megh Dipak Patel   +6 more
wiley   +1 more source

Evaluation of facilities performance on students’ satisfaction in Northern Nigerian Universities [PDF]

open access: yes, 2017
Performance evaluation of academic facilities of HEIs is very critical to educational effectiveness. Presently, there is limited or no research/data in Nigeria to assess how extensively the use of or lack of academic facilities benchmarking practices ...
Abdullahi, Isa
core  

Fabrication of Patterned Composite Microneedles via Inkjet Printing for Enhanced Drug Delivery

open access: yesAdvanced Healthcare Materials, EarlyView.
A novel inkjet printing‐based microneedle platform enabling multi‐material fabrication for customizable and scalable transdermal drug delivery. Abstract Microneedle (MN) technology offers a minimally invasive, patient‐friendly alternative to conventional hypodermic injections for dermal drug delivery.
Sanghyeok Jang   +2 more
wiley   +1 more source

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