Results 11 to 20 of about 5,484 (123)

Preparation and Performance Evaluation of a Supramolecular Gel Plugging Agent for Severe Lost Circulation Gas Reservoirs [PDF]

open access: yesGels
The plugging of fractured gas reservoirs with severe lost circulation during oil and gas drilling and production has long been challenged by technical issues such as low plugging strength and short effective duration.
Yingbiao Liu   +7 more
doaj   +2 more sources

Development of an In Vitro Method for Assessing the Potential Irritation of Medical Devices and OTC Products Used in the Oral Cavity [PDF]

open access: yesToxics
The aim of this study was to evaluate an in vitro method using the EpiOralTM model, a three-dimensional cultured human buccal epithelium, for assessing the oral irritation potential of various products.
Christian Pellevoisin   +5 more
doaj   +2 more sources

Enhancing caries-affected dentin bonding with a mussel-inspired primer [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology
IntroductionDental caries is the most common oral disease. In caries-affected dentin (CAD), excessive mineral loss, extensive collagen exposure and collapse, increased enzyme activity, and bacterial residues result in significantly lower resin bonding ...
Yuntong Hu   +11 more
doaj   +2 more sources

Synthesis, characterization, and evaluation of quaternary ammonium-based polymerizable antimicrobial monomers for prosthodontic applications

open access: yesHeliyon, 2022
The present study aims to synthesize and characterize two quaternary ammonium (QAM) based monomers such as - dimethyl-hexadecyl-methacryloxyethyl-ammonium iodide (DHMAI) and 2-dimethyl-2-dodecyl-1-methacryloxyethyl ammonium iodine (DDMAI) and assess ...
Sowmya Rao   +9 more
doaj   +1 more source

Polymer-Coated Nanoparticles and Pickering Emulsions as Agents for Enhanced Oil Recovery: Basic Studies Using a Porous Medium Model

open access: yesEnergies, 2023
Globally the overall oil recovery factors for primary and secondary recovery range from 35% to 45%, and a tertiary recovery method that can enhance the recovery factor by 10–30% could contribute to the energy supply.
Christina Ntente   +5 more
doaj   +1 more source

Emulsion copolymerization of vinyl chloride with poly (ethylene glycol) methyl ether methacrylate

open access: yesDesigned Monomers and Polymers, 2023
In this work, we reported a novel emulsion copolymerization of vinyl chloride monomer (VCM) with amphipathic monomer poly (ethylene glycol) methyl ether methacrylate (PEGMA) by using sodium dodecyl sulfate (SDS) as emulsifier and K2S2O8/NaHSO3 as redox ...
Ye Jia   +6 more
doaj   +1 more source

Effects of Surfactants on the Properties of Mortar Containing Styrene/Methacrylate Superplasticizer

open access: yesThe Scientific World Journal, 2014
The physical and mechanical properties of mortar containing synthetic cosurfactants as air entraining agent are investigated. The cosurfactants consist of a combination of 2% dodecyl benzene sodium sulfonate (DBSS) and either 1.5% polyvinyl alcohol (PVA)
El-Sayed Negim   +4 more
doaj   +1 more source

Solid Wettability Modification via Adsorption of Antimicrobial Sucrose Fatty Acid Esters and Some Other Sugar-Based Surfactants

open access: yesMolecules, 2018
Solid–liquid interface properties play a crucial role in the adsorption and adhesion of different microorganisms to the solid. There are some methods to inhibit microorganisms’ adsorption at the solid–liquid interface and their adhesion to the solid ...
Joanna Krawczyk
doaj   +1 more source

Emulsion Polymers of Carboxymethyl Cellulose and Methyl Methacrylate with Sodium Dodecyl Sulfate Surfactant as Soil Stabilizer

open access: yesIndonesian Journal of Chemical Research, 2022
Polymer-based materials have gained considerable attention in the road construction sector due to improving soil's mechanical strength and durability.
Akhmad Zainal Abidin   +3 more
doaj  

A Comparative Study of CO2-Responsive Worm-like Micelles Prepared by Macromolecules and Small Molecules [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2018
Hypothesis: Worm-like micelles triggered by carbon dioxide (CO2), as an abundant, inert, and green stimulus have recently attracted much interest. These materials have many potential applications, including heat transfer, rheological control, personal ...
Sajad Avar, Abbas Rezaee Shirin-Abadi
doaj   +1 more source

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