Adsorption of organic molecules on mineral surfaces studied by first-principle calculations: A review

H Zhao, Y Yang, X Shu, Y Wang, Q Ran - Advances in Colloid and Interface …, 2018 - Elsevier
First-principle calculations, especially by the density functional theory (DFT) methods, are
becoming a power technique to study molecular structure and properties of …

Adsorption behavior and mechanism of a copolymer used as fluid loss additive in oil well cement

D Chen, J Guo, Y Xu, M Hu, P Li, J Jin, Y Yu - Construction and Building …, 2019 - Elsevier
The polymer-based additives, which are widely used in the field of well cementing operation,
are copolymers synthesized using monomers by free radical copolymerization …

The binding of calcium ion with different groups of superplasticizers studied by three DFT methods, B3LYP, M06-2X and M06

H Zhao, Y Yang, X Shu, Y Wang, S Wu, Q Ran… - Computational Materials …, 2018 - Elsevier
Three different DFT methods, B3LYP, M06-2X and M06, with PCM (polarized continuum
model) solvent environment were performed to study the binding of Ca 2+ with different …

Structure and Conformational Properties of a Short Polyaniline Chain in a Mixture of Water and Ionic Liquid [1-Ethyl-3-methyl-imidazolium][bistriflimide] Investigated by …

CD Gandhi, P Sappidi - The Journal of Physical Chemistry B, 2023 - ACS Publications
Development of antifouling membranes for water treatment using conducting polymers and
their composites is a fundamental strategy to mitigate the fouling. This manuscript presents …

Diffusion and viscosity of unentangled polyelectrolytes

CG Lopez, J Linders, C Mayer, W Richtering - Macromolecules, 2021 - ACS Publications
We report chain self-diffusion and viscosity data for sodium polystyrene sulfonate (NaPSS)
in semidilute salt-free aqueous solutions measured by pulsed-field gradient NMR and …

Binding of calcium cations with three different types of oxygen-based functional groups of superplasticizers studied by atomistic simulations

H Zhao, Y Yang, Y Wang, X Shu, S Wu, Q Ran… - Journal of molecular …, 2018 - Springer
This work investigated interactions between calcium cations (Ca 2+) and three common
types of oxygen-based functional groups of concrete superplasticizers using density …

Molecular dynamics study of the effects of calcium ions on the conformational properties of comb-like poly (acrylic acid-co-methyl allyl polyoxyethylene ether)

Q Ran, H Zhao, X Shu, Q Zhang, Y Yang, J Liu… - Computational Materials …, 2015 - Elsevier
All-atom molecular dynamics simulations were employed to study the microscopic
conformational properties of three kinds of comb-like poly (acrylic acid-co-methyl allyl …

Molecular dynamics study of linear and comb-like polyelectrolytes in aqueous solution: effect of Ca2+ ions

K Tong, X Song, S Sun, Y Xu, J Yu - Molecular Physics, 2014 - Taylor & Francis
All-atom molecular dynamics simulations were employed to provide microscopic mechanism
for the salt tolerance of polyelectrolytes dispersants. The conformational variation of …

Molecular Dynamics Simulation Study on the Structural and Thermodynamic Analysis of Oxidized and Unoxidized Forms of Polyaniline

CD Gandhi, P Sappidi - The Journal of Physical Chemistry B, 2024 - ACS Publications
The conducting polymer polyaniline (PANI) has shown significant interest for the
development of electrified membranes (EMs) with superior antifouling characteristics …

The influence of anions in the ionic liquid-water mixtures on the conformational structures of emeraldine base and emeraldine salt form of polyaniline

CD Gandhi, P Sappidi - Journal of Molecular Liquids, 2024 - Elsevier
The development of antifouling membranes for water filtration applications is challenging.
Conducting polymers can show enhanced antifouling characteristics by blending with …