Fine-Tuning Simulation of the ESR Spectrum─Sensitive Tool to Identify the Local Environment of Asphaltenes In Situ

Effects of heteroatom and aliphatic chains of asphaltene molecules on their aggregation properties in aromatics Solvents: A molecular dynamics simulation study

(2021) Mahmoud Rahmati   CHEMICAL PHYSICS LETTERS

Insights into the Self-Aggregation of Porphyrins and Their Influence on Asphaltene Aggregation

(2021) Xuechun Ding et al.   ENERGY & FUELS

Critical analysis of different techniques used to screen asphaltene stability in crude oils

(2021) Syed Imran Ali et al.   FUEL

Molecular Dynamics and Proton Hyperpolarization via Synthetic and Crude Oil Porphyrin Complexes in Solid and Solution States

(2021) Bulat Gizatullin et al.   LANGMUIR

Laboratory evaluation experimental techniques of asphaltene precipitation and deposition controlling chemical additives

(2021) Syed Imran Ali et al.   FUEL

Vanadium and nickel distributions in selective-separated n-heptane asphaltenes of heavy crude oils

(2021) Martha L. Chacón-Patiño et al.   FUEL

Asphaltene precipitation and deposition: A critical review

(2020) Isah Mohammed et al.   JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

Vanadyl Porphyrin Speciation Based on Submegahertz Ligand Proton Hyperfine Couplings

(2019) Donald Mannikko et al.   ENERGY & FUELS

Interaction of Vanadyl Complexes in Atmospheric Residue With Their Matrices: An ESR Study in a Temperature Range Up To 170 °C

(2019) Qingyan Cui et al.   Journal of Physical Chemistry C

Catalogue of Plausible Molecular Models for the Molecular Dynamics of Asphaltenes and Resins Obtained from Quantitative Molecular Representation

(2019) Jason C. Law et al.   ENERGY & FUELS

High Purity Vanadyl Petroporphyrins: Their Aggregation and Effect on Aggregation of Asphaltenes

(2019) B McKay Rytting et al.   ENERGY & FUELS

Impact of Functional Group Methylation on the Disaggregation Trend of Asphaltene: A Combined Experimental and Theoretical Study

(2019) He Bian et al.   Journal of Physical Chemistry C

The dynamics of asphaltene aggregates in heavy crude oils on a nanometer scale studied via small-angle X-ray scattering in situ

(2018) Yu.V. Larichev et al.   JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

EPR study of spectra transformations of the intrinsic vanadyl-porphyrin complexes in heavy crude oils with temperature to probe the asphaltenes' aggregation

(2018) M.R. Gafurov et al.   JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

A new insight into asphaltenes aggregation onset at molecular level in crude oil (an MD simulation study)

(2018) Mohammed H. Khalaf et al.   JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

Impact of H-Bonds and Porphyrins on Asphaltene Aggregation As Revealed by Molecular Dynamics Simulations

(2018) H. Santos Silva et al.   ENERGY & FUELS

Evidence of naturally-occurring vanadyl porphyrins containing multiple S and O atoms

(2018) Kuangnan Qian et al.   FUEL

Microfluidic platform to evaluate asphaltene deposition during solvent-based extraction of bitumen

(2018) Kiarash Keshmiri et al.   FUEL

Determining the flocculation point of asphaltenes combining ultrasound and electrochemical impedance spectroscopy

(2018) Jorge Moncada et al.   FUEL

Transformation of Petroleum Asphaltenes in Supercritical Alcohols Studied via FTIR and NMR Techniques

(2017) Andrey M. Chibiryaev et al.   ENERGY & FUELS

Studying Rotational Mobility of V═O Complexes in Atmospheric Residues and Their Resins and Asphaltenes by Electron Spin Resonance

(2017) Qingyan Cui et al.   ENERGY & FUELS

Applications of Pulsed Electron Paramagnetic Resonance Spectroscopy to the Identification of Vanadyl Complexes in Asphaltene Molecules. Part 2: Hydrotreatment Monitoring

(2017) Karima Ben Tayeb et al.   ENERGY & FUELS

In Situ Identification of Various Structural Features of Vanadyl Porphyrins in Crude Oil by High-Field (3.4 T) Electron–Nuclear Double Resonance Spectroscopy Combined with Density Functional Theory Calculations

(2017) Timur Biktagirov et al.   ENERGY & FUELS

Inhibiting asphaltene precipitation from Iranian crude oil using various dispersants: Experimental investigation through viscometry and thermodynamic modelling

(2017) Amir Hossein Saeedi Dehaghani et al.   FLUID PHASE EQUILIBRIA

The role of metalloporphyrins on the physical-chemical properties of petroleum fluids

(2017) Hugo Santos Silva et al.   FUEL

The stability and evolution of oil systems studied via advanced methods in situ

(2017) O N Martyanov et al.   RUSSIAN CHEMICAL REVIEWS

The influence of different organic solvents on the size and shape of asphaltene aggregates studied via small-angle X-ray scattering and scanning tunneling microscopy

(2016) Yu V Larichev et al.   ADSORPTION SCIENCE & TECHNOLOGY

Nitro-Triarylmethyl Radical as Dual Oxygen and Superoxide Probe

(2016) Benoit Driesschaert et al.   CELL BIOCHEMISTRY AND BIOPHYSICS

Effect of Temperature on the EPR Properties of Oil Shale Pyrolysates

(2016) Wei Wang et al.   ENERGY & FUELS

Electron Spin Resonance of Slowly Rotating Vanadyls–Effective Tool to Quantify the Sizes of Asphaltenes in Situ

(2016) Sergey N. Trukhan et al.   ENERGY & FUELS

Toward the Asphaltene Structure by Electron Paramagnetic Resonance Relaxation Studies at High Fields (3.4 T)

(2016) G. V. Mamin et al.   ENERGY & FUELS

High Field Electron Paramagnetic Resonance Characterization of Electronic and Structural Environments for Paramagnetic Metal Ions and Organic Free Radicals in Deepwater Horizon Oil Spill Tar Balls

(2015) Vasanth Ramachandran et al.   ANALYTICAL CHEMISTRY

Effect of Temperature and Composition on the Stability of Crude Oil Blends Studied with Chemical Imaging in Situ

(2015) Anton A. Gabrienko et al.   ENERGY & FUELS

Applications of Pulsed Electron Paramagnetic Resonance Spectroscopy to the Identification of Vanadyl Complexes in Asphaltene Molecules. Part 1: Influence of the Origin of the Feed

(2015) Karima Ben Tayeb et al.   ENERGY & FUELS

Chemical Visualization of Asphaltenes Aggregation Processes Studied in Situ with ATR-FTIR Spectroscopic Imaging and NMR Imaging

(2015) Anton A. Gabrienko et al.   Journal of Physical Chemistry C

Functional electron paramagnetic resonance imaging of ischemic rat heart: Monitoring of tissue oxygenation and pH

(2015) Artem A. Gorodetsky et al.   MAGNETIC RESONANCE IN MEDICINE

Electrical potential near hydrated surface of ordered mesoporous molecular sieves assessed by EPR of molecular pH-probes

(2015) Elena G. Kovaleva et al.   MICROPOROUS AND MESOPOROUS MATERIALS

In Situ Electron Spin Resonance Study of Molecular Dynamics of Asphaltenes at Elevated Temperature and Pressure

(2014) Sergey N. Trukhan et al.   ENERGY & FUELS

New Vanadium Compounds in Venezuela Heavy Crude Oil Detected by Positive-ion Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

(2014) Xu Zhao et al.   Scientific Reports

Separation and Characterization of Vanadyl Porphyrins in Venezuela Orinoco Heavy Crude Oil

(2013) Xu Zhao et al.   ENERGY & FUELS

Hyperfine interactions of narrow-line trityl radical with solvent molecules

(2013) S.N. Trukhan et al.   JOURNAL OF MAGNETIC RESONANCE

Dual-Function pH and Oxygen Phosphonated Trityl Probe

(2012) Andrey A. Bobko et al.   ANALYTICAL CHEMISTRY

Supramolecular Assembly Model for Aggregation of Petroleum Asphaltenes

(2011) Murray R. Gray et al.   ENERGY & FUELS

Composition of Asphaltene Solvate Shell at Precipitation Onset Conditions and Estimation of Average Aggregate Sizes in Model Oils†

(2010) Jamilia O. Safieva et al.   ENERGY & FUELS

The Modified Yen Model†

(2010) Oliver C. Mullins   ENERGY & FUELS

Comparison of scaling equation with neural network model for prediction of asphaltene precipitation

(2010) S. Ashoori et al.   JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

Computational and Experimental Study of the Structure, Binding Preferences, and Spectroscopy of Nickel(II) and Vanadyl Porphyrins in Petroleum

(2010) Stanislav R. Stoyanov et al.   JOURNAL OF PHYSICAL CHEMISTRY B

Identification of Vanadyl Porphyrins in a Heavy Crude Oil and Raw Asphaltene by Atmospheric Pressure Photoionization Fourier Transform Ion Cyclotron Resonance (FT-ICR) Mass Spectrometry

(2009) Amy M. McKenna et al.   ENERGY & FUELS

Prediction of asphaltene precipitation in crude oil

(2009) G. Zahedi et al.   JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

Associative π−π Interactions of Condensed Aromatic Compounds with Vanadyl or Nickel Porphyrin Complexes Are Not Observed in the Organic Phase

(2008) Cindy-Xing Yin et al.   ENERGY & FUELS

EPR spectra of V(IV) complexes and the structure of oil porphyrins

(2008) L. G. Gilinskaya   JOURNAL OF STRUCTURAL CHEMISTRY