Skip Content
You are currently on the new version of our website. Access the old version .

482 Results Found

  • Article
  • Open Access
2,517 Views
21 Pages

Bubble Behavior and Surface Liquid Film Characteristics of Air Bubbles Crossing the Oil–Water Interface

  • Yixin Li,
  • Bin Jiang,
  • Xiaoming Xiao,
  • Na Yang,
  • Yongli Sun and
  • Luhong Zhang

22 November 2024

The interaction of bubbles with phase interfaces is an important phenomenon in science and industry. In this paper, the variation in bubble behavior and the characteristics of surface liquid film formation and shedding at the oil–water interfac...

  • Article
  • Open Access
6 Citations
3,563 Views
13 Pages

Adsorption and Desorption of Bile Salts at Air–Water and Oil–Water Interfaces

  • Teresa del Castillo-Santaella and
  • Julia Maldonado-Valderrama

Bile Salts (BS) adsorb onto emulsified oil droplets to promote lipolysis and then desorb, solubilizing lipolytic products, a process which plays a crucial role in lipid digestion. Hence, investigating the mechanism of adsorption and desorption of BS...

  • Article
  • Open Access
2 Citations
1,458 Views
12 Pages

Two-Dimensional Graphene-Based Potassium Channels Built at an Oil/Water Interface

  • Xiaoyuan Wang,
  • Hanhan Yang,
  • Zhenmei Yu,
  • Zengtao Zhang and
  • Yong Chen

31 July 2023

Graphene-based laminar membranes exhibit remarkable ion sieving properties, but their monovalent ion selectivity is still low and much less than the natural ion channels. Inspired by the elementary structure/function relationships of biological ion c...

  • Article
  • Open Access
5 Citations
1,950 Views
15 Pages

25 May 2024

Effectively enhancing oil recovery can be achieved by reducing the viscosity of crude oil. Therefore, this paper investigated the viscosity reduction behavior of carbon nanotube viscosity reducers with different molecular structures at the oil–...

  • Article
  • Open Access
223 Views
14 Pages

19 January 2026

Aiming at the unclear mechanisms of fluid migration in nanopore-throat systems within tight oil reservoirs, this study focuses on the microscopic interactions at the oil–water interface in nanoconfined spaces. Based on molecular dynamics simula...

  • Article
  • Open Access
27 Citations
5,567 Views
13 Pages

Molecular Dynamics Simulation of Distribution and Diffusion Behaviour of Oil–Water Interfaces

  • Chengbin Zhang,
  • Hanhui Dai,
  • Pengfei Lu,
  • Liangyu Wu,
  • Bo Zhou and
  • Cheng Yu

The distribution and diffusion behaviors of microscopic particles at fluorobenzene–water and pentanol–water interfaces are investigated using molecular dynamics simulation. The influences of Na+/Cl ions and the steric effects of or...

  • Article
  • Open Access
1 Citations
2,159 Views
16 Pages

19 October 2021

Shunbei Oilfield is characterized by substantial heterogeneity and a complex oil–water relationship. The water-oil interface is dynamically changing, and it is a crucial parameter for reserve calculation and evaluation. The main purpose is to analyze...

  • Article
  • Open Access
5 Citations
2,598 Views
17 Pages

A Study of the Interface Fluctuation and Energy Saving of Oil–Water Annular Flow

  • Fan Jiang,
  • Jiaqing Chang,
  • Haitao Huang and
  • Junhong Huang

14 March 2022

Oil–water annular flow is an efficient method of heavy oil transportation for energy-saving. To deeply study the influencing factors of the energy savings of oil–water annular flow, this paper compares the interface fluctuation and energy...

  • Article
  • Open Access
2 Citations
4,011 Views
11 Pages

26 July 2019

Reflection loss at the water-castor oil interface as a function of temperature was measured in a direction normal to the interface using a 200-kHz acoustic signal. The acoustic impedance of water increases with temperature, whereas that of castor oil...

  • Article
  • Open Access
2 Citations
1,599 Views
10 Pages

23 August 2024

The demulsification effect of three types of block copolymers, BP123, BPF123, and H123, with the same PEO and PPO segments but different hydrophobic modification groups on crude oil emulsions and the properties of oil–water interfaces were inve...

  • Article
  • Open Access
5 Citations
1,873 Views
16 Pages

8 February 2025

Water and oil do not mix. This essential statement of the hydrophobic effect explains why oil-in-water (O/W) emulsions are unstable and why energy must be supplied to form such emulsions. Breaking O/W emulsions is an exothermic event. Yet metastable...

  • Article
  • Open Access
12 Citations
3,579 Views
20 Pages

9 March 2020

With the wide application of ASP (alkali/surfactant/polymer) flooding oil recovery technology, the produced water from ASP flooding has increased greatly. The clay particles carried by crude oil in the process of flow have a synergetic effect with oi...

  • Article
  • Open Access
14 Citations
6,115 Views
13 Pages

26 February 2016

We studied the transition behaviors of colloidal arrangements confined at a centro-symmetrically curved oil-water interface. We found that assemblies composed of several colloidal particles at the curved interface exhibit at least two unique patterns...

  • Article
  • Open Access
10 Citations
5,590 Views
13 Pages

1 June 2022

The three-phase separator is one of the most important pieces of equipment in the combined station of the oilfield. The control level of the oil–water interface directly affects the energy consumption of the subsequent production of the combine...

  • Article
  • Open Access
55 Citations
11,633 Views
15 Pages

Polydopamine Particle as a Particulate Emulsifier

  • Nobuaki Nishizawa,
  • Ayaka Kawamura,
  • Michinari Kohri,
  • Yoshinobu Nakamura and
  • Syuji Fujii

26 February 2016

“Pickering-type” emulsions were prepared using polydopamine (PDA) particles as a particulate emulsifier and n-dodecane, methyl myristate, toluene or dichloromethane as an oil phase. All the emulsions prepared were oil-in-water type and an increase of...

  • Article
  • Open Access
4 Citations
3,568 Views
15 Pages

10 June 2025

With the depletion of conventional light crude oil reserves in China, the demand for heavy oil exploitation has grown, highlighting the increasing significance of enhanced heavy oil recovery. Surfactants reduce oil–water interfacial tension, mo...

  • Review
  • Open Access
220 Citations
18,148 Views
28 Pages

Phospholipids at the Interface: Current Trends and Challenges

  • Roman Pichot,
  • Richard L. Watson and
  • Ian T. Norton

3 June 2013

Phospholipids are one of the major structural elements of biological membranes. Due to their amphiphilic character, they can adopt various molecular assemblies when dispersed in water, such as bilayer vesicles or micelles, which give them unique inte...

  • Feature Paper
  • Article
  • Open Access
4,061 Views
15 Pages

The properties of binary colloidal systems have gained the interest of researchers because they have much richer structures than their one-component counterpart. Continuing efforts are being made on the theoretical side on binary colloidal systems, w...

  • Feature Paper
  • Review
  • Open Access
19 Citations
12,017 Views
57 Pages

1 February 2019

This review presents a series of measurements of the surface and interfacial tensions we have been able to make using the micropipette technique. These include: equilibrium tensions at the air-water surface and oil-water interface, as well as equilib...

  • Essay
  • Open Access
9 Citations
3,550 Views
12 Pages

18 June 2022

Graphene oxide, as a new two-dimensional material, has a large specific surface area, high thermal stability, excellent mechanical stability and exhibits hydrophilic properties. By combining the carboxyl groups on the surface of graphene oxide with h...

  • Article
  • Open Access
11 Citations
3,846 Views
19 Pages

Coarse Grained Modeling of Multiphase Flows with Surfactants

  • Thao X. D. Nguyen,
  • Tuan V. Vu,
  • Sepideh Razavi and
  • Dimitrios V. Papavassiliou

28 January 2022

Coarse-grained modeling methods allow simulations at larger scales than molecular dynamics, making it feasible to simulate multifluid systems. It is, however, critical to use model parameters that represent the fluid properties with fidelity under bo...

  • Article
  • Open Access
33 Citations
5,064 Views
16 Pages

Microemulsion Rheological Analysis of Alkaline, Surfactant, and Polymer in Oil-Water Interface

  • Mohd Sofi Numin,
  • Khairulazhar Jumbri,
  • Anita Ramli and
  • Noorazlenawati Borhan

29 June 2020

Injection of alkaline (A), polymer (P), and surfactant (S) chemicals in enhanced oil recovery (cEOR) processes increases output by changing the properties of the injected fluid. In this work, micellar fluid interactions were studied via microemulsion...

  • Communication
  • Open Access
6 Citations
5,036 Views
10 Pages

8 May 2018

Understanding the interaction of nanoparticles with proteins and how this interaction modifies the nanoparticles’ surface is crucial before their use for biomedical applications. Since fluorinated materials are emerging as potential imaging pro...

  • Article
  • Open Access
2 Citations
3,757 Views
17 Pages

Hydrocarbonoclastic Biofilm-Based Microbial Fuel Cells: Exploiting Biofilms at Water-Oil Interface for Renewable Energy and Wastewater Remediation

  • Nicola Lovecchio,
  • Roberto Giuseppetti,
  • Lucia Bertuccini,
  • Sandra Columba-Cabezas,
  • Valentina Di Meo,
  • Mario Figliomeni,
  • Francesca Iosi,
  • Giulia Petrucci,
  • Michele Sonnessa and
  • Emilio D’Ugo
  • + 1 author

8 October 2024

Microbial fuel cells (MFCs) represent a promising technology for sustainable energy generation, which leverages the metabolic activities of microorganisms to convert organic substrates into electrical energy. In oil spill scenarios, hydrocarbonoclast...

  • Article
  • Open Access
1 Citations
2,814 Views
14 Pages

The Use of Soy and Egg Phosphatidylcholines Modified with Caffeic Acid Enhances the Oxidative Stability of High-Fat (70%) Fish Oil-in-Water Emulsions

  • Betül Yesiltas,
  • Pedro J. García-Moreno,
  • Ann-Dorit M. Sørensen,
  • Chiranjib Banerjee,
  • Sampson Anankanbil,
  • Zheng Guo,
  • Peter R. Ogilby and
  • Charlotte Jacobsen

This study investigated the effect of the combined use of sodium caseinate (CAS), commercial phosphatidylcholine (PC), and modified PCs on the physical and oxidative stability of 70% fish oil-in-water emulsions. Caffeic acid was covalently attached t...

  • Article
  • Open Access
3 Citations
3,988 Views
13 Pages

4 January 2024

As a commercially available ingredient, the mono- and diglycerides (MDG) were widely used in a plant protein-based emulsion to provide effective, functional, emulsifying properties. The simultaneous addition of the MDG and pea protein isolate (PPI) w...

  • Article
  • Open Access
23 Citations
7,178 Views
21 Pages

On the basis of dynamic interfacial tension measurements, Ca2+ has been shown specifically to interact with naphthenic acid (NA) at the n-heptane/water interface, consistent with NA adsorption followed by interfacial complexation and formation of a m...

  • Review
  • Open Access
113 Views
15 Pages

Biocompatible Emulsions Stabilized by Natural Silk Fibroin

  • Xiuying Qiao,
  • Reinhard Miller,
  • Emanuel Schneck and
  • Kang Sun

Due to its amphiphilicity, the natural fibrous structural protein, silk fibroin (SF), can adsorb at the oil/water interface, form protective viscoelastic layers, and stabilize emulsions. Biocompatible SF-stabilized emulsions can be used in different...

  • Article
  • Open Access
6 Citations
3,612 Views
18 Pages

Phase-Change Microcapsules with a Stable Polyurethane Shell through the Direct Crosslinking of Cellulose Nanocrystals with Polyisocyanate at the Oil/Water Interface of Pickering Emulsion

  • Denis Voronin,
  • Rais Mendgaziev,
  • Adeliya Sayfutdinova,
  • Maria Kugai,
  • Maria Rubtsova,
  • Kirill Cherednichenko,
  • Dmitry Shchukin and
  • Vladimir Vinokurov

21 December 2022

Phase-change materials (PCMs) attract much attention with regard to their capability of mitigating fossil fuel-based heating in in-building applications, due to the responsive accumulation and release of thermal energy as a latent heat of reversible...

  • Article
  • Open Access
13 Citations
3,868 Views
16 Pages

Reflectometry Reveals Accumulation of Surfactant Impurities at Bare Oil/Water Interfaces

  • Ernesto Scoppola,
  • Samantha Micciulla,
  • Lucas Kuhrts,
  • Armando Maestro,
  • Richard A. Campbell,
  • Oleg V. Konovalov,
  • Giovanna Fragneto and
  • Emanuel Schneck

14 November 2019

Bare interfaces between water and hydrophobic media like air or oil are of fundamental scientific interest and of great relevance for numerous applications. A number of observations involving water/hydrophobic interfaces have, however, eluded a conse...

  • Article
  • Open Access
1 Citations
1,081 Views
24 Pages

Adsorption of Saponin and Saponin–Chitosan Mixture at Water–Oil Interface and Stabilization of Oil-in-Water Emulsions

  • Katarzyna Dziza,
  • Marcel Krzan,
  • Ewelina Jarek,
  • Lilianna Szyk-Warszyńska,
  • Sonia Kudłacik-Kramarczyk,
  • Piotr Warszyński,
  • Eva Santini,
  • Libero Liggieri and
  • Francesca Ravera

Investigating the adsorption properties of emulsifiers at water–oil interfaces enables advances in the comprehension of the mechanisms governing emulsion ageing and stabilization. The utilization of natural compounds in emulsion formulations is...

  • Article
  • Open Access
4 Citations
1,372 Views
20 Pages

28 October 2023

The stability of the vertical flow that occurs when gas displaces oil from a reservoir is investigated. It is assumed that the oil and gas areas are separated by a layer saturated with water. This method of oil displacement, called water-alternating-...

  • Article
  • Open Access
34 Citations
13,319 Views
11 Pages

Infrared Spectroscopy of Bilberry Extract Water-in-Oil Emulsions: Sensing the Water-Oil Interface

  • Johannes Kiefer,
  • Kerstin Frank,
  • Florian M. Zehentbauer and
  • Heike P. Schuchmann

14 April 2016

Water-in-oil (w/o) emulsions are of great interest in many areas of the life sciences, including food technology, bioprocess engineering, and pharmaceuticals. Such emulsions are complex multi-component systems and the molecular mechanisms which lead...

  • Article
  • Open Access
10 Citations
4,171 Views
20 Pages

Correlation between Physico-Chemical Characteristics of Particulated β-Lactoglobulin and Its Behavior at Air/Water and Oil/Water Interfaces

  • Franziska Kurz,
  • Vera Reitberger,
  • Claudia Hengst,
  • Christine Bilke-Krause,
  • Ulrich Kulozik and
  • Jannika Dombrowski

19 June 2021

It is widely accepted that protein-based particles can efficiently stabilize foams and emulsions. However, it is not fully elucidated which particle properties are decisive for the stabilization of air/water and oil/water interfaces. To unravel this...

  • Article
  • Open Access
667 Views
32 Pages

13 November 2025

Wettability significantly influences fluid distribution and flow behavior in hydrocarbon reservoirs, yet traditional macroscopic measurements fail to capture the micro- and nanoscale interfacial interactions that govern these processes. This study ad...

  • Review
  • Open Access
176 Citations
16,576 Views
18 Pages

Emulsion Formation and Stabilization by Biomolecules: The Leading Role of Cellulose

  • Carolina Costa,
  • Bruno Medronho,
  • Alexandra Filipe,
  • Isabel Mira,
  • Björn Lindman,
  • Håkan Edlund and
  • Magnus Norgren

26 September 2019

Emulsion stabilization by native cellulose has been mainly hampered because of its insolubility in water. Chemical modification is normally needed to obtain water-soluble cellulose derivatives. These modified celluloses have been widely used for a ra...

  • Article
  • Open Access
4 Citations
3,840 Views
17 Pages

The interest to monophasic liquid capillary bridges (CB) has a long history. These shapes are attractive not only because of their interesting surface properties but also because of the possibility of their behavior to be analytically predicted by th...

  • Article
  • Open Access
928 Views
14 Pages

5 April 2025

Oil leakage during the processes of extraction, storage, and transportation poses a significant challenge due to the complex nature of pollution caused by frequent fluctuations in groundwater levels and variations in the water–oil interface. To...

  • Article
  • Open Access
29 Citations
4,652 Views
17 Pages

30 April 2022

We report on our study of the interactions between coconut protein extracted from coconut meat and three hydrocolloids (gelatin, xanthan gum, and soybean polysaccharide) and their interfacial adsorption and emulsification properties. We used Zeta pot...

  • Feature Paper
  • Communication
  • Open Access
6 Citations
3,648 Views
13 Pages

Interfacial Dilational Viscoelasticity of Adsorption Layers at the Hydrocarbon/Water Interface: The Fractional Maxwell Model

  • Giuseppe Loglio,
  • Volodymyr I. Kovalchuk,
  • Alexey G. Bykov,
  • Michele Ferrari,
  • Jürgen Krägel,
  • Libero Liggieri,
  • Reinhard Miller,
  • Boris A. Noskov,
  • Piero Pandolfini and
  • Eva Santini
  • + 1 author

In this communication, the single element version of the fractional Maxwell model (single-FMM or Scott–Blair model) is adopted to quantify the observed behavior of the linear interfacial dilational viscoelasticity. This mathematical tool is app...

  • Article
  • Open Access
1,014 Views
21 Pages

Urea-Reassembled Soy Lipophilic Protein Nanoparticles for Resveratrol Delivery: Structure, Interfaces, and Digestion

  • Mingming Zhong,
  • Yufan Sun,
  • Qayum Abdul,
  • Qiufang Liang,
  • Fan Zhang,
  • Haile Ma and
  • Xiaofeng Ren

27 August 2025

This study investigated the structure, interfacial properties, and digestibility of resveratrol (Res)-loaded soybean lipophilic protein (LP) nanoparticles using a urea-induced disassembly–reassembly approach. Structural analysis confirmed that...

  • Article
  • Open Access
8 Citations
2,947 Views
10 Pages

Polysaccharides as Stabilizers for Polymeric Microcarriers Fabrication

  • Tatiana S. Demina,
  • Liubov A. Kilyashova,
  • Tatiana N. Popyrina,
  • Eugenia A. Svidchenko,
  • Sankarprasad Bhuniya,
  • Tatiana A. Akopova and
  • Christian Grandfils

9 September 2021

Biodegradable polymeric microparticles are widely used in drug delivery systems with prolonged-release profiles and/or cell microcarriers. Their fabrication via the oil/water emulsion solvent evaporation technique has normally required emulsifiers in...

  • Review
  • Open Access
19 Citations
7,182 Views
24 Pages

23 July 2022

Emulsions are multiphasic systems composed of at least two immiscible phases. Emulsion formulation can be made by numerous processes such as low-frequency ultrasounds, high-pressure homogenization, microfluidization, as well as membrane emulsificatio...

  • Article
  • Open Access
3 Citations
2,609 Views
14 Pages

12 April 2022

To investigate the amphiphilicity of cellulose, a series of molecular dynamics simulations were performed with a cellulose nanocrystal and a water–octane interfacial system. Assuming that the axis of cellulose is parallel to the water–oct...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,288 Views
22 Pages

11 September 2022

Oil–water flows are widely encountered in petroleum, chemical, nuclear reactors, and other crucial industrial processes. Due to gravity and interaction between phases, horizontal and inclined oil–water two-phase flows are characterized by remarkable...

  • Article
  • Open Access
1 Citations
3,690 Views
17 Pages

Hydrodynamic Modeling of Oil–Water Stratified Smooth Two-Phase Turbulent Flow in Horizontal Circular Pipes

  • Qi Kang,
  • Jiapeng Gu,
  • Xueyu Qi,
  • Ting Wu,
  • Shengjie Wang,
  • Sihang Chen,
  • Wei Wang and
  • Jing Gong

23 August 2021

In the petrochemical industry, multiphase flow, including oil–water two-phase stratified laminar flow, is more common and can be easily obtained through mathematical analysis. However, there is limited mathematical analytical model for the simulation...

  • Article
  • Open Access
8 Citations
3,749 Views
13 Pages

Surfactants are widely used in fields such as oil recovery and flotation. The properties and mechanisms of surfactants can be effectively studied using molecular dynamics (MD) simulations. Herein, the aggregation behavior of surfactants was studied a...

  • Article
  • Open Access
5 Citations
3,401 Views
10 Pages

7 January 2021

We investigated oil recovery from porous rock using nanoscale colloidal dispersions, formed by adsorption of an anionic polymer [poly-(4styrenesulfonic acid-co-maleic acid); PSS-co-MA] and a zwitterionic surfactant [N-tetradecyl-N, N-dimethyl-3-ammon...

  • Article
  • Open Access
2 Citations
1,582 Views
14 Pages

In oil reservoirs, if oil mainly has wettability in the solid phase, such as in carbonate reservoirs, the medium is oil-wetted. For oil-wetted porous media containing an oil and water two-phase flow, there are electric double layers at both the oil&n...

of 10