Dr Jonathan Mitchell
Postdoctoral Research Associate
|Position||Post doctoral researcher|
|Address|| Magnetic Resonance Research Centre
Department of Chemical Engineering and Biotechnology
c/o Cavendish Stores
JJ Thomson Avenue
|Telephone||+44 (0)1223 (7)61631|
|Research group||Magnetic Resonance, Catalysis|
|Research project title||Monitoring Enhanced Oil Recovery Processes using Magnetic Resonance|
Jonathan Mitchell obtained his BSc in Physics from the University of Kent, UK, in 2000. He remained at the same institute to research the behavior of liquids in porous media using variable temperature Magnetic Resonance (MR) relaxation measurements and was awarded his PhD in 2004. Since then he has been employed as a postdoctoral research associate, first at the University of Surrey, UK, where he worked on mobile NMR devices for studying moisture transport in cement and concrete structures. He is now working at the University of Cambridge, UK, as a scientific consultant to Schlumberger Cambridge Research, investigating the application of MR to porous sedimentary rocks with the aim of improving the understanding of enhanced oil recovery processes. Concurrent with this work, he is also involved in MR studies of a wide range of other commercial materials including catalysts, surfactants, and cement-based products.
Research keywordsNMR, MRI, rocks, catalysts, porous media
Main collaboratorsProf Lynn Gladden
Dr Mick Mantle
Dr Andy Sederman
Dr Andy York (Johnson Matthey)
Dr Edmund Fordham (Schlumberger)
1. Strange J.H., Mitchell J. and Webber J.B.W. Pore surface exploration by NMR. Magn. Reson. Imaging (2003) 21, 221-226.
2. Brown M.C.A., Verganelakis D.A., Mallett M.J.D., Mitchell J. and Blumler P. Surface normal imaging with a hand-held NMR device. J. Magn. Reson. (2004) 169, 308-312.
3. Alnaimi S.M., Mitchell J., Strange J.H. and Webber J.B.W. Binary liquid mixtures in porous solids. J. Chem. Phys. (2004) 120, 2075-2077.
4. Mitchell J. and Strange J.H. An NMR investigation of naphthalene nanostructures. Mol. Phys. (2004) 102, 1997-2005.
5. Mitchell J., Stark S.C. and Strange J.H. Probing surface interactions by combining NMR cryoporometry and NMR relaxometry. J. Phys. D Appl. Phys. (2005) 38, 1950-1958.
6. Boguszynska J., Brown M.C.A., McDonald P.J., Mitchell J., Mulheron M., Tritt-Goc J. and Verganelakis D.A. Magnetic resonance studies of cement based materials in inhomogeneous fields. Cement Concrete Res. (2005) 35, 2033-2040.
7. McDonald P.J., Korb J.P., Mitchell J. and Monteilhet L. Surface relaxation and chemical exchange in hydrating cement pastes: A two-dimensional NMR relaxation study. Phys. Rev. E (2005) 72, 011409.
8. Monteilhet L., Korb J.P., Mitchell J. and McDonald P.J. Observation of exchange of micropore water in cement pastes by two-dimensional T2-T2 nuclear magnetic resonance relaxometry. Phys. Rev. E (2006) 74, 061404.
9. McDonald P.J., Mitchell J., Mulheron M., Aptaker P.S., Korb J.P. and Monteilhet L. Two-dimensional correlation relaxometry studies of cement pastes performed using a new one-sided NMR magnet. Cement Concrete Res. (2007) 37, 303-309.
10. Korb J.P., Monteilhet L., McDonald P.J. and Mitchell J. Microstructure and texture of hydrated cement-based materials: A proton field cycling relaxometry approach. Cement Concrete Res. (2007) 37, 295-302.
11. McDonald P.J., Aptaker P.S., Mitchell J. and Mulheron M. A unilateral NMR magnet for sub-structure analysis in the built environment: The Surface GARField. J. Magn. Reson. (2007) 185, 1-11.
12. McDonald P.J., Mitchell J., Mulheron M., Monteilhet L. and Korb J.P. Two-dimensional correlation relaxation studies of cement pastes. Magn. Reson. Imaging (2007) 25, 470-473.
13. Mitchell J., Griffith J.D., Collins J.H.P., Sederman A.J., Gladden L.F. and Johns M.L. Validation of NMR relaxation exchange time measurements in porous media. J. Chem. Phys. (2007) 127, 234701.
14. Mitchell J., Sederman A.J., Fordham E.J., Johns M.L. and Gladden L.F. A rapid measurement of flow propagators in porous rocks. J. Magn. Reson. (2008) 191, 267-272.
15. Mitchell J., Graf von der Schulenburg D.A., Holland D.J., Fordham E.J., Johns M.L. and Gladden L.F. Determining NMR flow propagator moments in porous rocks without the influence of relaxation. J. Magn. Reson. (2008) 193, 218-225.
16. Chandrasekera T.C., Mitchell J., Fordham E.J., Gladden L.F. and Johns M.L. Rapid encoding of T1 with spectral resolution in n-dimensional relaxation correlations. J. Magn. Reson. (2008) 194, 156-161.
17. Weber D., Mitchell J., McGregor J. and Gladden L.F. Comparing strengths of surface interactions for reactants and solvents in porous catalysts using two-dimensional NMR relaxation correlations. J. Phys. Chem. C (2009) 113, 6610-6615.
18. Griffith J.D., Mitchell J., Bayly A.E. and Johns M.L. Observing diffusive exchange between surfactant and aqueous domains in detergents. J. Phys. Chem. B (2009) 113, 7156-7161.
19. Griffith J.D., Mitchell J., Bayly A.E. and Johns M.L. In situ monitoring of the microstructure of detergent drops during drying using a rapid nuclear magnetic resonance diffusion measurement. J. Mater. Sci. (2009) 44, 4587-4592.
20. Mitchell J., Hurlimann M.D. and Fordham, E.J. A rapid measure of the ratio T1/T2: the DE-CPMG pulse sequence. J. Magn. Reson. (2009) 200, 198-206.
21. Song K.M., Mitchell J. and Gladden L.F. Magnetic resonance studies of hydration kinetics and microstructural evolution in plaster pastes. J. Mater. Sci. (2009) 44, 5004-5012.
22. Weber D., Sederman A.J., Mantle M.D., Mitchell J., Gladden L.F. Surface diffusion in porous catalysts. Phys. Chem. Chem. Phys. (2010) 12, 2619-2624.
23. Mitchell J., Chandrasekera T.C., Gladden L.F., Johns M.L., and Fordham E.J. Nuclear magnetic resonance relaxation and diffusion in the presence of internal gradients: The effect of magnetic field strength. Phys. Rev. E (2010) 81, 026101.
24. Song K.M., Mitchell J., Jaffel H. and Gladden L.F. Simultaneous monitoring of hydration kinetics, microstructural evolution, and surface interactions in hydrating gypsum plaster in the presence of additives. J. Mater. Sci. (2010) 45, 5282-5290.
25. Mitchell J., Chandrasekera T.C., and Gladden L.F. Obtaining true transverse relaxation time distributions in high field measurements of saturated porous media: Removing the influence of internal gradients. J. Chem. Phys. (2010) 132, 244705.
26. Kolz J., Yarovoy Y., Mitchell J., Johns M.L., and Gladden L.F. Interactions of binary liquid mixtures with polysaccharides studied using multi-dimensional NMR relaxation time measurements. Polymer (2010) 51, 4103-4109 .
27. Hussain R., Pintelon T.R.R., Mitchell J., and Johns M.L. Using NMR displacement measurements to probe CO2 entrapment in porous media AIChE J. (2010) 57, 1700-1709.
28. Song K.M., Mitchell J., Jaffel H. and Gladden L.F. Magnetic resonance imaging studies of spontaneous capillary water imbibition in aerated gypsum. J. Phys. D Appl. Phys. (2011) 44, 115403.
29. Mitchell J. and Fordham E.J. Emulation of petroleum well-logging D-T2 correlations on a standard benchtop spectrometer J. Magn. Reson. (2011) 661, 144-149.