A state-of-the-art review on the application of natural surfactants in enhanced oil recovery

Atta, Dennis Yaw; Negash, Berihun Mamo; Yekeen, Nurudeen; Habte, Azeb Demisi

doi:10.1016/j.molliq.2020.114888

Cited by 88 publications

(43 citation statements)

References 143 publications

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“…Usage of amphiphilic compounds in various technologies, including biomedical application, attracts much attention due to their unique functional properties and capacity to form different supramolecular assemblies [9,[13][14][15][16]. Of special importance is the application of surfactants as building blocks for the fabrication of nanocontainers (liposomes, micelles, niosomes, solid lipid nanoparticles, nonviral vectors, etc.)…”

Section: Patient-and Eco-friendly Amphiphilic Nanocontainersmentioning

confidence: 99%

Self-Assembling Drug Formulations with Tunable Permeability and Biodegradability

et al. 2021

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This review focuses on key topics in the field of drug delivery related to the design of nanocarriers answering the biomedicine criteria, including biocompatibility, biodegradability, low toxicity, and the ability to overcome biological barriers. For these reasons, much attention is paid to the amphiphile-based carriers composed of natural building blocks, lipids, and their structural analogues and synthetic surfactants that are capable of self-assembly with the formation of a variety of supramolecular aggregates. The latter are dynamic structures that can be used as nanocontainers for hydrophobic drugs to increase their solubility and bioavailability. In this section, biodegradable cationic surfactants bearing cleavable fragments are discussed, with ester- and carbamate-containing analogs, as well as amino acid derivatives received special attention. Drug delivery through the biological barriers is a challenging task, which is highlighted by the example of transdermal method of drug administration. In this paper, nonionic surfactants are primarily discussed, including their application for the fabrication of nanocarriers, their surfactant-skin interactions, the mechanisms of modulating their permeability, and the factors controlling drug encapsulation, release, and targeted delivery. Different types of nanocarriers are covered, including niosomes, transfersomes, invasomes and chitosomes, with their morphological specificity, beneficial characteristics and limitations discussed.

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Section: Patient-and Eco-friendly Amphiphilic Nanocontainersmentioning

confidence: 99%

Self-Assembling Drug Formulations with Tunable Permeability and Biodegradability

et al. 2021

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“…In this sense, new amphiphilic substances, besides the lauric acid, with higher biodegradability should be investigated to obtain SUPRAs with low environmental impact [82,83] in order to make even more versatile the SSME and, moreover, it is mandatory to reduce the organic solvent (i.e., THF) needed for the coacervation step.…”

Section: Conclusion and Future Trendsmentioning

confidence: 99%

Use of green alternative solvents in dispersive liquid‐liquid microextraction: A review

Grau

Azorín

Benedé

et al. 2021

J of Separation Science

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Dispersive liquid-liquid microextraction is one of the most widely used microextraction techniques currently in the Analytical Chemistry field, mainly due to its simplicity and rapidity. The operational mode of this approach has been constantly changing since its introduction, adapting to new trends and applications.Most of these changes are related to the nature of the solvent employed for the microextraction. From the classical halogenated solvents (e.g., chloroform or dichloromethane), different alternatives have been proposed in order to obtain safer and non-pollutants microextraction applications. In this sense, low density solvents, such as alkanols, switchable hydrophobicity solvents and ionic liquids were the first and most popular replacements for halogenated solvents, which provided similar or better results than these classical dispersive liquid-liquid microextraction solvents.However, despite the good performances obtained with low density solvents and

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“…In this case, a set of measures to enhanced oil recovery is used. These measures include secondary methods [ 3 , 4 , 5 ], designed to increase intrastratal pressure, and tertiary methods [ 6 , 7 , 8 ], associated with increased oil mobilization.…”

Section: Introductionmentioning

confidence: 99%

Microfluidic Study of the Effect of Nanosuspensions on Enhanced Oil Recovery

et al. 2022

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The essential advantages of microfluidic studies are the excellent visualization of the processes of oil displacement from the porous medium model, simple cleaning, and the possibility of the repeated use of the microfluidic chip. The present article deals with the process of oil displacement by suspension flooding using a microfluidic chip, simulating a porous medium, and the suspensions of silicon dioxide nanoparticles (22 nm). The mass concentration of nanoparticles in suspensions ranged from 0.1 to 2 wt%. Five mass concentrations (0.125 wt%, 0.25 wt%, 0.5 wt%, 1 wt% and 2 wt%) were considered. The article presents the experimental photographs of the oil displacement process by water and SiO2 suspension. It is shown that, with the increasing concentration of nanoparticles, the oil recovery factor increases. A significant effect is observed at 0.5 wt% concentration of nanoparticles. It is shown that the increase in oil recovery during flooding by SiO2 suspension with the maximum concentration was 16%.

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A state-of-the-art review on the application of natural surfactants in enhanced oil recovery

Cited by 88 publications

References 143 publications

Self-Assembling Drug Formulations with Tunable Permeability and Biodegradability

Self-Assembling Drug Formulations with Tunable Permeability and Biodegradability

Use of green alternative solvents in dispersive liquid‐liquid microextraction: A review

Microfluidic Study of the Effect of Nanosuspensions on Enhanced Oil Recovery

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