Results 81 to 90 of about 4,874 (220)

Effect of dispersion state of Cloisite15A® on the performance of SPEEK/Cloisite15A nanocomposite membrane for DMFC application [PDF]

open access: yes, 2011
The introduction of 2,4,6-triaminopyrimidine (TAP) into sulfonated poly(ether ether ketone) (SPEEK)/Cloisite15A® nanocomposite membranes were investigated for the purpose of maintaining low methanol permeability and suppressing swelling in direct ...
Ismail, Ahmad Fauzi   +2 more
core   +1 more source

Organic Transistor‐Based Neuromorphic Electronics and Their Recent Applications

open access: yesSmall Methods, Volume 10, Issue 7, 6 April 2026.
This review highlights recent progress in organic neuromorphic electronics, showing how organic semiconductors enable synaptic and neuronal functions with low power, mechanical flexibility, and biocompatibility. By bridging materials, devices, and systems, organic platforms are accelerating brain‐inspired computing toward applications in artificial ...
Ziru Wang, Feng Yan
wiley   +1 more source

Recent advances of non‐invasive sensors for smart wearable respiratory monitoring

open access: yesVIEW, Volume 7, Issue 2, April 2026.
Respiration contains rich physiological and pathological information, making it one of the most fundamental and continuous vital signs. Respiration monitoring is a non‐invasive and simple, but incredibly powerful, tool for assessing health, managing disease, and tracking fitness.
Jianhui Chen   +8 more
wiley   +1 more source

Electrospun amphiphilic sulfonated poly(ether-ether-ketone) (SPEEK) membranes for thin-layer crude oil spill cleanup

open access: yesAdvanced Membranes
Oil spills and the release of oily wastewater have caused serious damage to the environment and human health. Effective removal of oil spills and separation of oil/water mixtures have become a crucial step before they enter the environment and reveal ...
Fuat Topuz   +2 more
doaj   +1 more source

Inter-matrix synthesis of polymer stabilised metal nanoparticles for sensor applications [PDF]

open access: yes, 2005
Les partícules metàl·liques de mida nanomètrica o Metal NanoParticles (MNP) són objecte de gran interès en la recerca química actual a causa de les seves especials propietats elèctriques, magnètiques i òptiques, entre d'altres, que són diferents de les ...
Muraviev, Dimitri N.
core  

Universal Fluorine‐Free Proton Exchange Polymers for High‐Performance and Durable Fuel Cells Operable Under Severe Conditions

open access: yesAdvanced Materials, Volume 38, Issue 14, 6 March 2026.
Due to excellent physical and chemical stability, the novel designed fluorine‐free polymers with aliphatic‐chain backbones (SP‐PAC12‐QP) are regarded as promising and universal alternatives to perfluorosulfonic acid membranes. Their performances are further improved by physical reinforcement, where the fuel cell performance under high temperature and ...
Fanghua Liu   +5 more
wiley   +1 more source

Neutral‐pH Electropolymerization of Aniline on Hierarchically Porous Laser‐Induced Graphene Electrodes for Dual Biosensing

open access: yesAdvanced Materials Technologies, Volume 11, Issue 5, 6 March 2026.
Neutral‐pH electropolymerization of aniline on laser‐induced graphene (LIG) produces stable, brush‐like polyaniline coatings without requiring acidic conditions. The resulting PANI–LIG electrodes exhibit enhanced electroactive surface area, efficient charge transfer, and dual sensing capability for β‐blockers and pH, providing a scalable platform ...
Angelika Łepek   +6 more
wiley   +1 more source

Synthesis, Characterization and Performance Study of Phosphosilicate Gel-Sulfonated Poly (Ether Ether Ketone) Nanocomposite Membrane for Fuel Cell Application [PDF]

open access: yes, 2011
Phosphosilicate gel – SPEEK (Sulfonated Poly Ether Ether Ketone) hybrid nanocomposite membranes are proposed for performance enhancement of polymer electrolyte fuel cell. The nanocomposite membranes are synthesized and characterized at 50 and 60 weight
Dhole, C.K.   +3 more
core  

Estudo das propriedades térmicas de filmes poliméricos compostos de Speek, derivados do benzoimidazol e ácido fosfotúngstico Thermal properties of Speek-based polymeric films containing benzimidazole derivatives and fosfotungstic acid

open access: yesPolímeros, 2008
Filmes poliméricos foram desenvolvidos a partir de poli (éter éter cetona) sulfonado (SPEEK), derivados do benzoimidazol e ácido fosfotúngstico (HPW). Neste trabalho foi realizado um estudo utilizando a análise termogravimétrica com o objetivo de avaliar
Fabrício Celso   +2 more
doaj   +1 more source

Produção de membranas híbridas zirconizadas de SPEEK/Copolissilsesquioxano para aplicação em células a combustível do tipo PEM Production of Zirconized SPEEK/Copolysilsesquioxane hybrid membranes for application in Proton Exchange Membrane fuel cells

open access: yesPolímeros, 2012
Membranas baseadas em poli(aril éter cetona) sulfonada mostraram ser bastante promissoras para aplicação em células a combustível com membrana trocadora de prótons (PEMFC).
Kelen R. Aguiar   +4 more
doaj   +3 more sources

Home - About - Disclaimer - Privacy