Job Role:
Chemical deuteration
Previous Experience:
Was a lecturer, associate professor of materials science at Lanzhou University and a research assistant in Physical and Theoretical Chemistry Laboratory, University of Oxford
Previous Studies:
- Graduated from Lanzhou University
- PhD in Physical Chemistry, University of Oxford
Research Interests:
A special interest in the chemical deuteration, which broadly employed in Organic Chemistry, Organometallic Chemistry, Pharmacology, Soft Matter and many fields.
Visiting Positions:
Visiting Scholar, University of Oxford.
Committee Memberships:
Royal Society of Chemistry.
Selected Publications:
The role of competitive counterion adsorption on the electrolyte induced surface ordering in methyl ester sulfonate surfactants at the air-water interface - Xu, Hui; Li, Peixun; Ma, Kun; Welbourn, Rebecca J. L.; Penfold, Jeffrey; Thomas, Robert K.; Roberts, David W.; Petkov, Journal of Colloid and Interface Science, 2019,533,154-160.
Structural Features of Reconstituted Cuticular Wax Films upon Interaction with Nonionic Surfactant C12E6 - Pambou, Elias; Hu, Xuzhi; Li, Zongyi; Campana, Mario; Hughes, Arwel; Li, Peixun; Webster, John R. P.; Bell, Gordon; Lu, Jian R., Langmuir, 2018, 34(11), 3395-3404.
Adsorption and self-assembly in methyl ester sulfonate surfactants, their eutectic mixtures and the role of electrolyte - Xu, Hui; Li, Peixun; Ma, Kun; Welbourn, Rebecca J. L.; Doutch, James; Penfold, Jeffrey; Thomas, Robert K.; Roberts, David W.; Petkov, Jordan T.; Choo, Ken Loon; Khoo, Soo Yee, Journal of Colloid and Interface Science, 2018, 516, 456-465.
The impact of electrolyte on the adsorption of the anionic surfactant methyl ester sulfonate at the air-solution interface: Surface multilayer formation - Xu, H.; Thomas, R. K.; Penfold, J.; Li, P. X.; Ma, K.; Welbourne, R. J. L.; Roberts, D. W.; Petkov, J. T., Journal of Colloid and Interface Science (2018), 512, 231-238.
Effects of length and hydrophilicity/hydrophobicity of diamines on self-assembly of diamine/SDS gemini-like surfactants - Zhidi Chen , Jeffrey Penfold , Peixun Li, James Doutchc, Yaxun Fan and Yilin Wang, Soft Matter, 2017, 13, 8980-8989.
Adsorption at Air–Water and Oil–Water Interfaces and Self-Assembly in Aqueous Solution of Ethoxylated Polysorbate Nonionic Surfactants - Penfold, Thomas, PXL, Petkov, Tucker, Webster, and Terry, Langmuir, 2015, 31 (10), pp 3003–3011.
Biogenic amine - surfactant interactions at the air-water interface - Penfold, Thomas, PXL, J. Colloid and Interface Sci., 2014, 449, pp 167-174.
The impact of the degree of ethoxylation of the ethoxylated polysorbate nonionic surfactant on the surface self-assembly of hydrophobin-ethoxylated polysorbate surfactant mixtures - Penfold, Thomas, PXL, Petkov, Tucker, Cox, Hedges, Webster and Skoda, Langmuir, 2014, 30 (32), pp 9741–9751.
Limitations in the Use of Surface Tension and the Gibbs Equation to Determine Surface Excesses of Cationic Surfactants - PXL, Thomas, and Penfold, Langmuir, 2014, 30 (23), pp 6739–6747.
Spontaneous Surface Self-Assembly in Protein-Surfactant Mixtures: Interactions between Hydrophobin and Ethoxylated Polysorbate Surfactants - Tucker, Petkov, Penfold, Thomas, PXL , Cox, Hedges, and Webster, Phys. Chem. B, 2014, 118 (18), pp 4867–4875.
Application of the Gibbs equation to the adsorption of nonionic surfactants and polymers at the air–water interface: comparison with surface excesses determined directly using neutron reflectivity - PXL, Shen, Thomas, Penfold and Lu, Langmuir, 2013, 29, pp 9324–9334.
Limitations in the application of the Gibbs equation to anionic surfactants at the air/water surface: sodium dodecylsulfate and sodium dodecylmonooxyethylenesulfate above and below the CMC - Xu, PXL, Ma, Thomas, Penfold and Lu, Langmuir, 2013, 29, pp 9335–9351.
Quiescent bilayers at the mica–water interface - Speranza, Pilkington, Dane, Cresswell, PXL, Jacobs, Arnold, Bouchenoire, Thomas and Briscoe, Soft Matter, 2013, 9, pp 7028-7041.
Synchrotron XRR study of soft nanofilms at the mica–water interface - Briscoe, Speranza, PXL, Konovalov, Bouchenoire, Stam, Klein, Jacobs and Thomas, Soft Matter, 2012, 8, pp 5055 - 5068.
Surface behavior, aggregation and phase separation of aqueous mixtures of dodecyl trimethylammonium bromide and sodium oligoarene sulfonates: the transition to polyelectrolyte/surfactant behavior - Jiang, Huang, Bahramian, PXL, Thomas and Penfold , Langmuir, 2012, 28, pp 327–338.
Neutron reflectometry of quaternary gemini surfactants as a function of alkyl chain length: anomalies arising from ion association and premicellar aggregation - PXL, Dong, Thomas, Penfold and Wang, Langmuir, 2011, 27 , pp 2575–2586.
The adsorption of gemini surfactants with partially fluorinated chains at three different surfaces: neutron reflectometry results - PXL, Dong, Thomas and Wang, Langmuir, 2011, 27, pp 656-664.
The adsorption of gemini surfactants with dodecyl sidechains and different spacers, including partially fluorinated spacers, at different surfaces: neutron reflectometry results - PXL, Dong and Thomas, Langmuir, 2010, 27, pp 1844–1852.
