Results 71 to 80 of about 6,237 (218)

A self-assembling graphene oxide coating for enhanced bactericidal and osteogenic properties of poly-ether-ether-ketone

open access: yesFrontiers in Bioengineering and Biotechnology
Poly-ether-ether-ketone (PEEK) is a biomedical plastic that can be used for orthopedic implants, but it offers poor antibacterial properties and bioactivity.
Run Huang   +11 more
doaj   +1 more source

Understanding of Nanophase Separation and Hydrophilic Morphology in Nafion and SPEEK Membranes: A Combined Experimental and Theoretical Studies

open access: yesNanomaterials, 2019
The understanding of the relationship between the chemical structure and the hydrophilic structure is crucial for the designing of high-performance PEMs.
Rujie Wang   +4 more
doaj   +1 more source

Ion‐Selective Microporous Membranes via One‐Step Copolymerization Enable High‐Performance Redox Flow Batteries

open access: yesAdvanced Functional Materials, Volume 36, Issue 12, 9 February 2026.
A scalable one‐step copolymerization strategy is developed to produce low‐cost microporous ion exchange membranes that boost both the efficiency and lifespan of flow batteries. When combined with organic electrolytes in aqueous systems, these membranes enable safe and cheap flow battery energy storage, supporting the widespread integration of renewable
Jiaye Liu   +7 more
wiley   +1 more source

TRIM28-Regulated Transposon Repression Is Required for Human Germline Competency and Not Primed or Naive Human Pluripotency. [PDF]

open access: yes, 2018
Transition from primed to naive pluripotency is associated with dynamic changes in transposable element (TE) expression and demethylation of imprinting control regions (ICRs).
Chen, Pao-Yang   +9 more
core   +2 more sources

AI‐Driven Predictive Design and Functionalization of Three Dimensional‐Printed PEEK Implants with Tryptophan‐Enriched Alginate Hydrogel for Enhanced Biomimetic Surface Performance

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 2, February 2026.
This study introduces an AI‐guided strategy to design 3D‐printed PEEK implants functionalized with a tryptophan‐enriched alginate hydrogel (TRYALPEEK). The modification improves hydrophilicity, reduces surface roughness, enhances cytocompatibility, and optimizes stress distribution. The platform offers a promising route for personalized implant design,
Wafa Benaatou   +8 more
wiley   +1 more source

A Review on Applications and Challenges of Fullerenes in Proton Exchange Membranes

open access: yesCarbon Energy, Volume 8, Issue 2, February 2026.
This review is devoted to the analysis of the use of fullerenes and their functionalized derivatives to improve the efficiency of proton exchange membranes. The synthetic methods, structure, properties, and proton transfer mechanisms of fullerene‐containing membranes are discussed in detail. Promising areas of scientific research are discussed, and key
Ruslan Usmanov, Alexander Pozdnyakov
wiley   +1 more source

High durable SPEEK/TiO2 nanopaper composite membrane for vanadium redox flow battery

open access: yesJournal of Saudi Chemical Society
Sulfonated poly (ether ether ketone) (SPEEK) ion exchange membranes for VRFB are promising alternatives to Nafion, but require improved mechanical and chemical stability for long-term operation. Here, we have fabricated composite membranes using SPEEK as
Song Il Han   +4 more
doaj   +1 more source

Preparation and Characterization of UV Irradiated SPEEK/Chitosan Membranes

open access: yesInternational Journal of Electrochemical Science, 2012
Cross-linked composite membranes of sulfonated poly(ether ether ketone) (SPEEK) with a chitosan content up to 50 wt%, were prepared by solution cast technique and ultraviolet (UV) curing.
N.A. Aini   +5 more
doaj   +1 more source

Obtenção e caracterização de membranas híbridas Speek/silano para utilização em células a Combustível [PDF]

open access: yes, 2005
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.A célula a combustível é um dispositivo que converte energia química proveniente da oxidação do combustível em energia elétrica gerando ...
CONCEIÇÃO, Thiago Ferreira da
core  

Dusty Streets: The Challenge of Dust‐Borne Pollutants in Low‐Income Countries

open access: yesCLEAN – Soil, Air, Water, Volume 54, Issue 2, February 2026.
Generally, pollution impacts developed and low‐income countries (LICs) to different extents, and the disease burden due to roadway dust is not uniformly distributed across socio‐economic classes. Roadway dust materials from paved and unpaved urban and rural roads were reported to contain organic constituents which are toxic and affect public health ...
Abimbola E. Oluwalana‐Sanusi   +9 more
wiley   +1 more source

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