Reduction of water/oil interfacial tension by model asphaltenes: the governing role of surface concentration

C Jian, MR Poopari, Q Liu, N Zerpa… - The Journal of …, 2016 - ACS Publications
In this work, pendant drop techniques and molecular dynamics (MD) simulations were
employed to investigate the effect of asphaltene concentrations on the interfacial tension …

Effect of non-ionic surfactants on the adsorption of polycyclic aromatic compounds at water/oil interface: A molecular simulation study

X Sun, H Zeng, T Tang - Journal of Colloid and Interface Science, 2021 - Elsevier
Hypothesis Molecular simulations can provide unique insights into the adsorption and
intermolecular interactions of polycyclic aromatic compounds (PACs) and non-ionic …

Simulation Investigation on the Influence Mechanism of Toluene and Heptane on the Aggregation of Asphaltene Molecules

P Yu, X Liu, H Zhu, R Dou, S Zeng, N Zhou, Y Lei - Langmuir, 2023 - ACS Publications
Asphaltenes are a group of compounds that are soluble in benzene and toluene but
insoluble in nonpolar small molecule n-alkanes. The asphaltene aggregation in the …

Understanding adsorption of violanthrone-79 as a model asphaltene compound on quartz surface using molecular dynamics simulations

T Lan, H Zeng, T Tang - The Journal of Physical Chemistry C, 2018 - ACS Publications
A series of molecular dynamics simulations were performed to investigate the adsorption of
violanthrone-79 (VO-79) as a model asphaltene compound on quartz surface in different …

Molecular simulations on the coalescence of water-in-oil emulsion droplets with non-ionic surfactant and model asphaltene

X Sun, H Zeng, T Tang - Langmuir, 2023 - ACS Publications
Water droplets in crude oil can be stabilized by the adsorption of interfacially active
components, such as asphaltenes. Demulsifiers like non-ionic surfactants are commonly …

Mechanistic understanding of the effect of temperature and salinity on the water/toluene interfacial tension

C Jian, MR Poopari, Q Liu, N Zerpa, H Zeng… - Energy & …, 2016 - ACS Publications
In this work, a series of pendant drop measurements and molecular dynamics (MD)
simulations were performed to investigate the effects of temperature and salinity on the …

Combined experimental and molecular dynamics investigation of 1D rod-like asphaltene aggregation in toluene-hexane mixture

LK Kundarapu, S Choudhury, S Acharya… - Journal of Molecular …, 2021 - Elsevier
The aggregation behavior of asphaltene in the toluene-hexane mixture is systematically
investigated using experimental techniques such as optical microscopy and Fourier …

Effect of model polycyclic aromatic compounds on the coalescence of water-in-oil emulsion droplets

C Jian, Q Liu, H Zeng, T Tang - The Journal of Physical Chemistry …, 2017 - ACS Publications
A series of molecular dynamics simulations were performed to investigate the effect of
polycyclic aromatic compounds (PACs) on the coalescence of two water droplets in oil (ie, n …

The impact of carbonated water on wettability: Combined experimental and molecular simulation approach

MH Alqam, SA Abu-Khamsin, SF Alafnan, AS Sultan… - SPE Journal, 2022 - onepetro.org
Carbonated water injection has gained wide interest as an enhanced oil recovery technique.
The efficiency of oil displacement during an ordinary waterflood is dictated and governed …

Large Stokes-shifted NIR-emission from nanospace-induced aggregation of perylenemonoimide-doped polymer nanoparticles: imaging of folate receptor expression

K Pal, V Sharma, D Sahoo, N Kapuria… - Chemical …, 2018 - pubs.rsc.org
The development of a water-soluble, perylenemonoimide (PMI) dye-doped polymer
nanoparticle (PNP) with NIR emission for live-cell imaging is demonstrated. The large …