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Fluid flow in a porous medium with transverse permeability discontinuity (2018)
Journal Article
Pavlovskaya, G. E., Meersmann, T., Jin, C., & Rigby, S. P. (2018). Fluid flow in a porous medium with transverse permeability discontinuity. Physical Review Fluids, 3(4), https://doi.org/10.1103/PhysRevFluids.3.044102

Magnetic Resonance Imaging (MRI) velocimetry methods were used to study fully developed axially symmetric fluid flow in a model porous medium of cylindrical symmetry with a transverse permeability discontinuity. Spatial mapping of fluid ow resulted i... Read More about Fluid flow in a porous medium with transverse permeability discontinuity.

Nanoscale engineering of hybrid magnetite–carbon nanofibre materials for magnetic resonance imaging contrast agents (2017)
Journal Article
Metelkina, O. N., Lodge, R. W., Rudakovskaya, P. G., Gerasimov, V. M., Lucas, C. H., Grebennikov, I. S., Shchetinin, I. V., Savchenko, A. G., Pavlovskaya, G. E., Rance, G. A., del Carmen Gimenez-Lopez, M., Khlobystov, A. N., & Majouga, A. G. (2017). Nanoscale engineering of hybrid magnetite–carbon nanofibre materials for magnetic resonance imaging contrast agents. Journal of Materials Chemistry C, 5(8), 2167-2174. https://doi.org/10.1039/C6TC04141H

Magnetic nanomaterials show significant promise as contrast agents for magnetic resonance imaging (MRI). We have developed a new highly efficient one-step procedure for the synthesis of magnetically- functionalised hollow carbon nanofibres, where (i)... Read More about Nanoscale engineering of hybrid magnetite–carbon nanofibre materials for magnetic resonance imaging contrast agents.

Probe-Specific Procedure to Estimate Sensitivity and Detection Limits for 19F Magnetic Resonance Imaging (2016)
Journal Article
Faas, H., Taylor, A. J., Granwehr, J., Lesbats, C., Krupa, J. L., Six, J. S., Pavlovskaya, G. E., Thomas, N. R., Auer, D. P., & Meersmann, T. (2016). Probe-Specific Procedure to Estimate Sensitivity and Detection Limits for 19F Magnetic Resonance Imaging. PLoS ONE, 11(10), e0163704. https://doi.org/10.1371/journal.pone.0163704

© 2016 Taylor et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cre... Read More about Probe-Specific Procedure to Estimate Sensitivity and Detection Limits for 19F Magnetic Resonance Imaging.

Statistics of highly heterogeneous flow fields confined to three-dimensional random porous media (2016)
Journal Article
Jin, C., Langston, P. A., Pavlovskaya, G. E., Hall, M. R., & Rigby, S. P. (2016). Statistics of highly heterogeneous flow fields confined to three-dimensional random porous media. Physical Review E, 93(1), 1-10. https://doi.org/10.1103/PhysRevE.93.013122

© 2016 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and t... Read More about Statistics of highly heterogeneous flow fields confined to three-dimensional random porous media.

Molecular sensing with hyperpolarized 129Xe using switchable chemical exchange relaxation transfer (2015)
Journal Article
Zamberlan, F., Lesbats, C., Rogers, N. J., Krupa, J. L., Pavlovskaya, G. E., Thomas, N. R., Faas, H., & Meersmann, T. (2015). Molecular sensing with hyperpolarized 129Xe using switchable chemical exchange relaxation transfer. ChemPhysChem, 16(11), https://doi.org/10.1002/cphc.201500367

A new approach for hyperpolarized 129Xe molecular sensors is explored using paramagnetic relaxation agents that can be deactivated upon chemical or enzymatic reaction with an analyte. Cryptophane encapsulated 129Xe within the vicinity of the paramagn... Read More about Molecular sensing with hyperpolarized 129Xe using switchable chemical exchange relaxation transfer.

Hyperpolarized 83Kr magnetic resonance imaging of alveolar degradation in a rat model of emphysema (2015)
Journal Article
Lilburn, D. M., Lesbats, C., Six, J. S., Dubuis, E., Yew-Booth, L., Shaw, D. E., Belvisi, M. G., Birrell, M. A., Pavlovskaya, G. E., & Meersmann, T. (2015). Hyperpolarized 83Kr magnetic resonance imaging of alveolar degradation in a rat model of emphysema. Interface, 12(107), Article 20150192. https://doi.org/10.1098/rsif.2015.0192

© 2015 The Authors. Hyperpolarized 83Kr surface quadrupolar relaxation (SQUARE) generates MRI contrast that was previously shown to correlate with surface-to-volume ratios in porous model surface systems. The underlying physics of SQUARE contrast is... Read More about Hyperpolarized 83Kr magnetic resonance imaging of alveolar degradation in a rat model of emphysema.

NMR imaging of low pressure, gas-phase transport in packed beds using hyperpolarized xenon-129 (2015)
Journal Article
Pavlovskaya, G., Six, J. S., Meersman, T., Gopinathan, N., & Rigby, S. P. (2015). NMR imaging of low pressure, gas-phase transport in packed beds using hyperpolarized xenon-129. AIChE Journal, 61(11), 4013-4019. https://doi.org/10.1002/aic.14929

© 2015 American Institute of Chemical Engineers. Gas-phase magnetic resonance imaging (MRI) has been used to investigate heterogeneity in mass transport in a packed bed of commercial, alumina, catalyst supports. Hyperpolarized 129Xe MRI enables study... Read More about NMR imaging of low pressure, gas-phase transport in packed beds using hyperpolarized xenon-129.

Spatial mapping of flow-induced molecular alignment in a noncrystalline biopolymer fluid using double quantum filtered (DQF) 23Na MRI (2014)
Journal Article
Pavlovskaya, G. E., & Meersmann, T. (2014). Spatial mapping of flow-induced molecular alignment in a noncrystalline biopolymer fluid using double quantum filtered (DQF) 23Na MRI. Journal of Physical Chemistry Letters, 5(15), https://doi.org/10.1021/jz501075j

Flow-induced molecular alignment was observed experimentally in a non-liquid- crystalline bioplymeric fluid during developed tubular flow. The fluid was comprised of rigid rods of the polysaccharide xanthan and exhibited shear-thinning behavior. With... Read More about Spatial mapping of flow-induced molecular alignment in a noncrystalline biopolymer fluid using double quantum filtered (DQF) 23Na MRI.

Cryogenics free production of hyperpolarized 129Xe and 83Kr for biomedical MRI applications (2013)
Journal Article
Hughes-Riley, T., Six, J. S., Lilburn, D., Stupic, K. F., Dorkes, A. C., Shaw, D. E., Pavlovskaya, G. E., & Meersmann, T. (2013). Cryogenics free production of hyperpolarized 129Xe and 83Kr for biomedical MRI applications. Journal of Magnetic Resonance, 237, https://doi.org/10.1016/j.jmr.2013.09.008

As an alternative to cryogenic gas handling, hyperpolarized (hp) gas mixtures were extracted directly from the spin exchange optical pumping (SEOP) process through expansion followed by compression to ambient pressure for biomedical MRI applications.... Read More about Cryogenics free production of hyperpolarized 129Xe and 83Kr for biomedical MRI applications.

Pulmonary MRI contrast using Surface Quadrupolar Relaxation (SQUARE) of hyperpolarized 83Kr (2013)
Journal Article
Six, J. S., Hughes-Riley, T., Lilburn, D. M., Dorkes, A. C., Stupic, K. F., Shaw, D. E., Morris, P. G., Hall, I. P., Pavlovskaya, G. E., & Meersmann, T. (2014). Pulmonary MRI contrast using Surface Quadrupolar Relaxation (SQUARE) of hyperpolarized 83Kr. Magnetic Resonance Imaging, 32(1), 48-53. https://doi.org/10.1016/j.mri.2013.08.007

Hyperpolarized 83Kr has previously been demonstrated to enable MRI contrast that is sensitive to the chemical composition of the surface in a porous model system. Methodological advances have lead to a substantial increase in the 83Kr hyperpolarizati... Read More about Pulmonary MRI contrast using Surface Quadrupolar Relaxation (SQUARE) of hyperpolarized 83Kr.