Results 181 to 190 of about 2,646,852 (331)

Polymer‐Redox Interactions Enhance Ferro/Ferricyanide Thermogalvanic Cells

open access: yesAdvanced Functional Materials, EarlyView.
Polyelectrolyte could modify the hydration structure of the redox couple in solution and improve the output performance of thermogalvanic cells, providing new fundamental insight into how electrostatic interactions can be exploited to tailor thermoelectric properties.
Pedro Santos Candiotto de Oliveira   +6 more
wiley   +1 more source

Sustainable Electrochemical Synthesis of High‐Quality MXenes: Mechanistic Insights, Applications, Challenges, and Technological Prospects

open access: yesAdvanced Functional Materials, EarlyView.
Electrochemical etching provides an eco‐friendly alternative to hazardous HF methods for MXene production. This approach facilitates the selective isolation of the A‐layer from MAX phases with tunable surface terminations. Controlling voltage, electrolytes, temperature, and duration enables the optimal structural integrity. Nevertheless, existing scale
Jagdeep Singh   +4 more
wiley   +1 more source

Hyperconvex hulls in catergories of quasi-metric spaces

open access: yes, 2014
Includes bibliographical references.Isbell showed that every metric space has an injective hull, that is, every metric space has a “minimal” hyperconvex metric superspace. Dress then showed that the hyperconvex hull is a tight extension.
Agyingi, Collins Amburo
core  

Portable Breathing Monitoring With Phase‐Resolved Airflow Dynamics Enabled by a Dual‐Response Flexible PZT Sensor

open access: yesAdvanced Healthcare Materials, EarlyView.
A portable respiratory monitoring device based on a flexible PZT sensor captures pressure‐ and temperature‐related airflow responses in a single waveform. Polarity‐opposed piezoelectric and pyroelectric components generate a narrow transient spike and a broad quasi‐steady peak during both inhalation and exhalation. This dual‐component structure enables
Minyu Li   +7 more
wiley   +1 more source

Probabilistic Quasi-Metric Family Spaces

open access: yes, 1998
引入了概率准度量族空间、概率准范数族空间、随机准度量族空间和随机准范数族空间的概念,包括了现有的各种相关空间类[1~11](特别是[8,9])作为特殊情况,建立了统一的空间体系.同时,我们研究了所引入的一般空间类的一些性质和拓扑结构.In this paper, we introduce the concepts of probabilistic quasi-metric Family spaces,probabilistic quasi-norm Family spaces, spandom ...
刘明学, 郭铁信
core  

A Versatile Microfluidic Extrusion‐Based Hydrogel Platform for Self‐Organization and Long‐Term Maintenance of Engineered 3D Lymphatic Endothelium

open access: yesAdvanced Healthcare Materials, EarlyView.
Microfluidic coaxial extrusion generates size‐controlled 3D lymphatic tubes from primary human dermal lymphatic endothelial cells in a defined four‐component matrix. These engineered vessels self‐organize into stable lymphatic endothelium, maintain selective macromolecular permeability for 30 days, and enable direct comparison with blood endothelial ...
Elsa Mazari‐Arrighi   +8 more
wiley   +1 more source

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