Results 31 to 40 of about 2,053 (202)

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

open access: yesAdvanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira   +5 more
wiley   +1 more source

Evaluation of the Metered-Dose Inhaler Technique among Health Care Providers Practicing in Hamadan University of Medical Sciences

open access: yesپزشکی بالینی ابن سینا, 2004
Poor inhaler technique is a common problem both in asthma patients and health care providers , which contributes to poor asthma control. The aim of this study was to evaluate the correctness of metered-dose inhaler (MDI) technique in a sample of ...
Ebrahim Nadi   +2 more
doaj  

Single‐Step Fabrication of Monolithic Flexible Capacitive Pressure Sensors With Enhanced Sensitivity via Femtosecond Laser Direct Writing and Microhole Structuring

open access: yesAdvanced Sensor Research, EarlyView.
This study presents a single‐step femtosecond laser‐based approach for fabricating flexible capacitive pressure sensors within a gelatin‐silver nitrate matrix. Sensitivity‐enhancing microholes are first created using an amplified femtosecond laser beam, followed by direct writing of flexible metallic silver electrodes.
Ajinkya Palwe   +4 more
wiley   +1 more source

Hemp Proteins Conjugated with Green Tea Polyphenol Extract Form De Novo Plant‐Sourced Emulsifiers Suitable for Nanodelivery Systems Bearing Lipophilic Psychopharmaceuticals

open access: yesAdvanced Therapeutics, EarlyView.
Green tea polyphenols, conjugated either covalently or non‐covalently to hemp protein, comprise an excellent stabilizing matrix for oxidatively‐sensitive small molecules. These nanoemulsions are highly stable to a variety of chemical and physical stressors, protecting the small molecule while allowing for easy uptake across cell membranes and rapid ...
William Charles Hosie   +9 more
wiley   +1 more source

Facile Synthesis of High Areal Density and Stable Pt Single‐Atom Electrocatalysts by Arc Discharge Atomization and CoNi Trapping

open access: yesAdvanced Science, EarlyView.
This article demonstrates a vacuum direct current arc discharge strategy for synthesizing Pt single‐atom catalysts (SACs) with an ultra‐high Pt areal density. The resulting catalyst shows remarkable thermal stability at 1000 °C and excellent performance in water splitting.
Hongzhe He   +11 more
wiley   +1 more source

Accurate reporting of adherence to inhaled therapies in adults with cystic fibrosis: methods to calculate normative adherence

open access: yesPatient Preference and Adherence, 2016
Zhe Hui Hoo,1,2 Rachael Curley,1,2 Michael J Campbell,1 Stephen J Walters,1 Daniel Hind,3 Martin J Wildman1,2 1School of Health and Related Research (ScHARR), University of Sheffield, 2Sheffield Adult Cystic Fibrosis Centre, Northern General ...
Hoo ZH   +5 more
doaj  

Moisture Harvesting by the Structure Regulation of Hygroscopic Hydrogel for Energy and Water Sustainability

open access: yesAdvanced Electronic Materials, EarlyView.
Hygroscopic hydrogels are capable of utilizing the moisture from air, which can transfer the gaseous water to liquid by a surface phase transition. Taking advantage of this water, sustainable water production, thermal management, and electricity generation can be realized.
Yujie Du   +5 more
wiley   +1 more source

Laser‐Driven Transfer Printing of Hyper‐Stretchable Liquid Metal Electronics

open access: yesAdvanced Electronic Materials, EarlyView.
A two‐step laser transfer and selective sintering process called lift‐off‐and‐fuse (LLOF) enables precise liquid metal patterning. Kirigami structural liquid‐metal‐based electronic circuits can conform to extremely large deformations, making them suitable for flexible and stretchable electronics.
Zhiyuan Ma   +11 more
wiley   +1 more source

Process Parameter Specification and Control in Solution Processing of Hybrid Perovskite Photovoltaics: From Domain‐Specific Jargon to Evidence‐Based, Unambiguous Description of Experimental Workflows

open access: yesAdvanced Energy Materials, EarlyView.
Hybrid perovskite solar cells are nearing commercial mass production. Therefore, academic research must tackle the remaining barriers for their large‐scale rollout. One of these is consistent manufacturing yield. Here, evidence is reviewed for the impact of process paramters on perovskite solution processes, finding a great potential for better ...
Simon Ternes   +11 more
wiley   +1 more source

Spectrally Engineered Greenhouse Cool Cover for Energy and Water Efficiency in Diverse Climates

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
A spectrally selective multilayer cool cover reflects NIR and transmits photosynthetically active radiation to reduce cooling demand while maintaining crop productivity. Designed for hot climates, it enhances energy and water efficiency in greenhouses.
Amrit Kumar Thakur   +3 more
wiley   +1 more source

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