Results 41 to 50 of about 135,854 (347)

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz   +3 more
wiley   +1 more source

Attempts to Obtain Material Based on Polyvinyl Alcohol with Barrier Properties against Water Vapor

open access: yesApplied Sciences
The purpose of this study was to obtain a biodegradable film based on polyvinyl alcohol with reduced water vapor permeability. The hydrophobic character of the films was achieved by incorporating beeswax, vegetable bio-surfactant, citric acid as a cross ...
Lucica Maria Pop   +4 more
doaj   +1 more source

In-situ cross linking of polyvinyl alcohol [PDF]

open access: yes, 1981
A method of producing a crosslinked polyvinyl alcohol structure, such as a battery separator membrane or electrode envelope is described. An aqueous solution of a film-forming polyvinyl alcohol is admixed with an aldehyde crosslinking agent a basic pH to
Hsu, L. C.   +2 more
core   +1 more source

Establishing a Model Precursor System: Over a Decade of Research on Carbon Dots from the Citric Acid‐Urea System

open access: yesAdvanced Functional Materials, EarlyView.
The citric acid/urea (CA‐Urea) precursor system offers a versatile, scalable route to carbon dots with tunable luminescence and multifunctionality. Mechanistic insights into precursor chemistry and reaction parameters have enabled doping, surface modification, and hybridization strategies, yielding CDs for luminescent devices, sensing, catalysis ...
Yupeng Liu   +10 more
wiley   +1 more source

Enhancing the Mechanical and Physical Properties of Zirconium Dental Filling Material by Chemical Mixing with Polyvinyl Alcohol Polymer in Different Cure Times

open access: yesDiyala Journal of Medicine
Background: Zirconium is mainly composed of zirconia/silica particles. Zircon filling material is a light-curing, radiopaque nanohybrid composite resin designed for anterior and posterior tooth restorations with a high inorganic filler component.
Manar Abd Alrazaq Hassan
doaj   +1 more source

Cross-linked polyvinyl alcohol and method of making same [PDF]

open access: yes, 1981
A film-forming polyvinyl alcohol polymer is mixed with a polyaldehyde-polysaccharide cross-linking agent having at least two monosaccharide units and a plurality of aldehyde groups per molecule, perferably an average of at least one aldehyde group per ...
Hsu, L. C.   +2 more
core   +1 more source

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

open access: yesAdvanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

Synthetic polymers as xeno-free materials for stabilizing basic fibroblast growth factor in human mesenchymal stem cell cultures

open access: yesBiochemistry and Biophysics Reports, 2021
Series of sulfonated polymers were evaluated as additives in cell culture media. Some of the compounds, such as sulfated polyvinyl alcohol (PVA), prevented denaturation and loss of basic fibroblast growth factor during cell culture and enhanced human ...
Yoko Masuzawa, Manabu Kitazawa
doaj   +1 more source

Biocompatible but Antibacterial Mechanism of Graphene Oxide for Sustainable Antibiotics

open access: yesAdvanced Functional Materials, EarlyView.
Graphene oxide (GO) exhibits selective antibacterial activity through specific interactions between its oxygen functional groups and bacterial membrane phospholipid POPG, causing membrane destabilization while maintaining biocompatibility. Model membrane studies and infected wound models in mice and pigs demonstrate effective bacterial suppression and ...
Sujin Cha   +15 more
wiley   +1 more source

Preparation of chitosan film-loaded palladium catalyst materials and their application in Suzuki coupling reactions

open access: yesJournal of Materials Research and Technology, 2022
With the advantages of good coordination and degradability, chitosan is an ideal polymeric carrier material for heterogeneous catalysts. In this paper, natural polymer chitosan was toughened and modified by blending with polyvinyl alcohol. Then, chitosan-
Kewang Zheng   +7 more
doaj   +1 more source

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