Results 21 to 30 of about 157,152 (287)

Research on imbibition effect of surfactant fracturing fluid in offshore reservoirs with low permeability and high temperature

Frontiers in Energy Research, 2023
Surfactant imbibition can effectively improve the development effect of fracturing technique. In order to enhance oil recovery, a temperature resistant surfactant was selected using interfacial tension and contact angle testers based on the offshore ...
Yigang Liu, Jian Zou, Xitang Lan, Shang Gao, Liping Zhang, Xin He   +5 more
doaj   +1 more source

Synthesis and characterization of geminis and implications of their micellar solution on ninhydrin and metal amino acid complex [PDF]

Royal Society Open Science, 2020
In our study, three gemini dicationic surfactants with different methylene group spacer (16-6-16, 16-5-16 and 16-4-16) have been synthesized and characterized in solution by 1H NMR spectroscopic technique.
Dileep Kumar, Malik Abdul Rub, Abdullah M. Asiri   +2 more
doaj   +1 more source

Application of a novel pH-responsive gemini surfactant for delivery of curcumin molecules

Materials Research Express, 2020
During the last few decades, extensive studies have been conducted to elucidate the anti-cancer effects of curcumin. Despite promising results indicating curcumin could impede cancer cells ability thrive and proliferation, clinical applications of it ...
Maral Rahimzadeh, Majid Sadeghizadeh, Farhood Najafi, Seyed Shahriar Arab, Pouneh Sadat Pourhosseini   +4 more
doaj   +1 more source

Mixed Micellization, Thermodynamic and Adsorption Behavior of Tetracaine Hydrochloride in the Presence of Cationic Gemini/Conventional Surfactants

Gels, 2022
In this approach, tensiometry and UV-visible techniques are used to determine the effect of cationic gemini and conventional surfactants on tetracaine hydrochloride (TCH), an anesthetic drug.
Naved Azum, Malik Abdul Rub, Anish Khan, Maha M. Alotaibi, Abdullah M. Asiri, Mohammed M. Rahman   +5 more
doaj   +1 more source

From self-assembly to controlled release: synthesis and properties of dynamic imine-based Gemini surfactants for curcumin delivery. [PDF]

Food Chem X
Zhao W, Zhang H, Yu W, Zhu F, Xu J, Xu Q, He H, Liu F, Zheng Q.   +8 more
europepmc   +3 more sources

Gemini Surfactant as a Template Agent for the Synthesis of More Eco-Friendly Silica Nanocapsules

Applied Sciences, 2020
Silica mesoporous nanocapsules are a class of “smart” engineered nanomaterials (ENMs) applied in several fields. Recent studies have highlighted that they can exert deleterious effects into marine organisms, attributed to the use of the toxic cationic ...
Olga Kaczerewska, Isabel Sousa, Roberto Martins, Joana Figueiredo, Susana Loureiro, João Tedim   +5 more
doaj   +1 more source

Cationic carbohydrate-based surfactants derived from renewable resources: Trends in synthetic methods

Results in Chemistry, 2022
Surfactants are extensively utilized and have become a necessity in our daily lives. On the other hand, increasing surfactant production has raised global warming and environmental issues, necessitating finding new sustainable alternatives.
Abbas Abdulameer Salman
doaj   +1 more source

Preparation and Characterization of Gemini Surfactant Intermedium [PDF]

, 2017
This paper studies the preparation process and characterization of gemeni-diol, an intermedium compound for synthesizing anionic gemini surfactant. Firstly, as a material to synthesize anionic gemini surfactant, high purity ethylene glycol diglycidyl ...
FU, Lipei, GE, Jijiang, ZHANG, Guicai, LIAO, Kaili, JIN, Luchao   +4 more
core   +1 more source

Self-Assembly Properties of Cationic Gemini Surfactants with Biodegradable Groups in the Spacer

Molecules, 2019
: Self-assembly properties of cationic gemini surfactants with biodegradable amide or ester groups in the spacer were investigated utilising time-resolved fluorescence quenching, dynamic light scattering and zeta potential measurements.
Martin Pisárčik, Mája Polakovičová, Mário Markuliak, Miloš Lukáč, Ferdinand Devínsky   +4 more
doaj   +1 more source

Development of Lyophilized Gemini Surfactant-Based Gene Delivery Systems: Influence of Lyophilization on the Structure, Activity and Stability of the Lipoplexes

Journal of Pharmacy & Pharmaceutical Sciences, 2012
Purpose. Cationic gemini surfactants have been studied as non-viral vectors for gene therapy. Clinical applications of cationic lipid/DNA lipoplexes are restricted by their instability in aqueous formulations.
Waleed Mohammed-Saeid, Deborah Michel, Anas El-Aneed, Ronald E Verrall, Nicholas H Low, Ildiko Badea   +5 more
doaj   +1 more source