Results 31 to 40 of about 1,163,904 (348)

A Novel Rutin Electrochemical Sensor Using Reduced Graphene Oxide/Magnetite/Silver Nanoparticle-Molecularly Imprinted Polymer Composite Modified Electrode

open access: yesInternational Journal of Electrochemical Science, 2018
A novel rutin (RT) electrochemical sensor was fabricated by using reduced graphene oxide (rGO)/magnetite (Fe3O4)/silver nanoparticle (Ag)-molecularly imprinted polymer (MIP) composite to modify screen-printed electrode (SPE). The ternary composite of rGO/
Shiru Yang   +7 more
doaj   +1 more source

Effects of Different Fibers on the Mechanical Properties of Red Mud-Coal Metakaolin Based Geopolymer

open access: yesTaiyuan Ligong Daxue xuebao, 2023
In order to promote energy conservation and facilitate the utilization of solid wastes, red mud, coal metakaolin, and alkaline activators were used as main raw materials to prepare red mud-coal metakaolin based geopolymer (RCG).
Ruijie WANG   +9 more
doaj   +1 more source

Effects of Different Strain Immobilization Methods on Protease Production of Aeromonas Hydrophila MSB16 [PDF]

open access: yesBiological Journal of Microorganism, 2022
Introduction: Microbial strain immobilization has some benefits like the repeatability and cost-effectiveness of strain recovery in the fermentation process.
Matia Sadat Borhani
doaj   +1 more source

Preparation of a Hydrogel Nanofiber Wound Dressing

open access: yesNanomaterials, 2021
The study addressed the production of a hydrogel nanofiber skin cover and included the fabrication of hydrogel nanofibers from a blend of polyvinyl alcohol and alginate. The resulting fibrous layer was then crosslinked with glutaraldehyde, and, after 4 h
Radek Jirkovec   +4 more
doaj   +1 more source

SYNTHESIS OF MAGNESIUM PHOSPHATES IN A POLYMERIC MATRIX

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2020
The dependence of the phase composition of nanoscale magnesium phosphates (MgNH4PO4 · 6H2O, Mg(H2PO4)2, MgHPO4 · 3H2O, Mg3(PO4)2 · 22H2O) with 13 - 54 nm crystallite size on the conditions of precipitation from aqueous solutions in the presence of the ...
O.N. Musskaya   +2 more
doaj   +1 more source

Influences of Polyvinyl Alcohol Fiber Addition on the Specimen Size Effect and Energy Absorption of Self-Consolidating Concrete [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2022
Polyvinyl alcohol is one of the most efficient synthetic fibers in concrete technology; however, the size effect was rarely evaluated in Polyvinyl alcohol fiber-reinforced concretes.
Iman Abbasi Nattaj Omrani   +2 more
doaj   +1 more source

Xanthate-Modified Magnetic Fe3O4@SiO2-Based Polyvinyl Alcohol/Chitosan Composite Material for Efficient Removal of Heavy Metal Ions from Water

open access: yesPolymers, 2022
Chitosan has several shortcomings that limit its practical application for the adsorption of heavy metals: mechanical instability, a challenging separation and recovery process, and low equilibrium capacity.
Shifan Wang   +9 more
semanticscholar   +1 more source

Vanillin enhances the antibacterial and antioxidant properties of polyvinyl alcohol-chitosan hydrogel dressings.

open access: yesInternational Journal of Biological Macromolecules, 2022
Wound management requires the preparation of controllable, safe and effective dressings to isolate the wound from the external environment. Currently, widely used commercial dressings focus on the isolation effect rather than an environment conducive to ...
Shuting Xiong   +8 more
semanticscholar   +1 more source

Crack Resistance and Mechanical Properties of Polyvinyl Alcohol Fiber-Reinforced Cement-Stabilized Macadam Base

open access: yesAdvances in Civil Engineering, 2020
A series of tests were carried out to evaluate crack resistance and mechanical properties of polyvinyl alcohol fiber-reinforced cement-stabilized macadam, which is widely used as pavement base or subbase composite material.
Yi Zhao   +5 more
doaj   +1 more source

Polyvinyl Alcohol-Sulfonated Polyethersulfone Blend for Application in Proton-Exchange Membranes [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2016
In recent years, proton-exchange membranes as the main components of composite actuators have been paid special attention because of their important role in membrane technology.
Fatemeh Askari   +3 more
doaj   +1 more source

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