Results 31 to 40 of about 157,152 (287)

Evaluation of cellular uptake and intracellular trafficking as determining factors of gene expression for amino acid-substituted gemini surfactant-based DNA nanoparticles

open access: yesJournal of Nanobiotechnology, 2012
Background Gene transfer using non-viral vectors offers a non-immunogenic and safe method of gene delivery. Cellular uptake and intracellular trafficking of the nanoparticles can impact on the transfection efficiency of these vectors.
Singh Jagbir   +4 more
doaj   +1 more source

Structural Changes of DPPC Bilayers Induced by Gemini Surfactant [PDF]

open access: yes, 2012
The phospholipid-gemini surfactant systems are promising agents for construction of lipoplexes for DNA delivery systems in gene therapy. In this work the influence of a gemini surfactant - 1,1'-(1,6-hexan)bis3-octyloxymethylimidazolium di-chloride ...
Kida, W., Kozak, M.
core   +1 more source

Evaluation of Clay Hydration and Swelling Inhibition Using Quaternary Ammonium Dicationic Surfactant with Phenyl Linker

open access: yesMolecules, 2020
Water-based drilling fluids are extensively used for drilling oil and gas wells. However, water-based muds cause clay swelling, which severely affects the stability of wellbore.
Mobeen Murtaza   +5 more
doaj   +1 more source

Synergistic Behavior of Mixed Monolayer/Mixed Micelle Formation between Cationic Monomeric and Dimeric Surfactants with PEO-PPO-PEO Triblock Copolymer

open access: yesInternational Journal of Electrochemical Science, 2018
The micellar and surface properties of PEO-PPO-PEO triblock copolymer (Pluronic F-127) with cationic monomeric (hexadecyltrimethylammonium bromide), and gemini or dimeric (Pentanediyl-1, 5-bis (dimethylcetylammonium bromide)) surfactants was investigated
Naved Azum, Andleeb Z. Naqvi
doaj   +1 more source

Experiment investigation of microemulsion enhanced oil recovery in low permeability reservoir

open access: yesJournal of Materials Research and Technology, 2020
Microemulsion flooding is a effective enhanced oil recovery for low permeability. In this paper, combined the advantage of sulphobetaine surfactant and gemini surfactant, a kind of gemini sulphobetaine surfactant (DPSB) was used to prepared microemulsion.
Yazhou Zhou   +4 more
doaj   +1 more source

Surfactant function in neonates with respiratory distress syndrome [PDF]

open access: yes, 1998
The function of pulmonary surfactant of a group of 14 preterm neonates (birth weight 907 +/- 60 g) who suffered from severe respiratory distress syndrome (RDS) and who had received exogenous bovine lipid extracted surfactant on the first day of life was ...
Griese, Matthias   +3 more
core   +1 more source

Synthesis of cobalt doped titania nano material assisted by gemini surfactant: Characterization and application in degradation of Acid Red under visible light irradiation

open access: yesSouth African Journal of Chemical Engineering, 2017
The present work focuses on the synthesis of cobalt doped titania nano material assisted by 1,4-butane sultone anionic gemini surfactant: Co2+-TiO2 (with surfactant). The synthesized nano catalysts were characterized by XRD, UV–Vis DRS, XPS, SEM, FT-IR,
Radha Devi Chekuri   +1 more
doaj   +1 more source

Gemini Surfactant Performance Evaluation as Inhibitive action of PAPM for Treatment of AISI steel Corrosion and Studying Temperatures Influence in Acidic Medium

open access: yesمجلة علوم ذي قار, 2019
To inhibit corrosion of the AISI 4130 steel in 1M H2SO4 solution at different temperatures, the gemini surfactant was used, namely N,N'-((1,4-phenylenebis(azanediyl)) bis (2-hydroxy propane-3,1-diyl)) bis (N,N-dimethyldecan-1-aminium) (PAPM).
Mushtaq Jerri Meften
doaj   +4 more sources

Synthesis of Novel Ethoxylated Quaternary Ammonium Gemini Surfactants for Enhanced Oil Recovery Application

open access: yesEnergies, 2019
Two aspects are always considered in the design and development of new surfactants for oilfield application. One of them is that surfactant must be sufficiently stable at reservoir temperature and the other is the solubility of the surfactant in the ...
S. M. Shakil Hussain   +2 more
doaj   +1 more source

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