School of Chemical and Physical Sciences

1995-1999

U. Skibbe, J. Christeller, C.D. Eccles, W. Laing and P.T. Callaghan. A method to distinguish between chemical shift and susceptibility effects in NMR microscopy and its application to insect larvae. Magn. Reson. Imaging, 1995, 13, 471-479.

C.J. Rofe, J. VanNoort, P.J. Back and P.T. Callaghan. NMR Microscopy using large, pulsed magnetic-field gradients. J. Magn. Reson. Ser. B, 1995, 108, 125-136.

U. Skibbe, J. Christeller, C.D. Eccles, W. Laing and P.T. Callaghan. Phosphorus imaging as a tool for studying the pH metabolism in living insects. J Magn. Reson. Ser. B, 1995, 108 262-268.

E.M. Terentjev, P.T. Callaghan and M. Warner. Pulsed gradient spin-echo nuclear magnetic resonance of confined Brownian particles. J. Chem. Phys., 1995, 102, 4619-4624.

N. Kaplan, E. Dormann, R. Ruf, A. Coy, and P.T. Callaghan. Restricted electron motion in a one-dimensional organic conductor: pulsed gradient spin-echo ESR in (fluoroanthene)2PF6. Phys. Rev. B, 1995, 52, 16385-16394.

R. Kimmich, E. Fischer, P.T. Callaghan and N. Fatkullin. The dipolar-correlation effect on the stimulated echo: application to polymer melts. J. Magn. Reson. Ser. A, 1995, 117, 53-61.

B. Manz, P. Stilbs, B. Jönsson, O Söderman and P. T. Callaghan. NMR imaging of the time evolution of electroosmotic flow in a capillary. J. Phys. Chem., 1995, 99, 11297-11301.

P.T. Callaghan and J. Stepišnik. Frequency-domain analysis of spin motion using modulated-gradient NMR. J. Magn. Reson. Ser. A, 1995, 117 , 118-122.

P.T. Callaghan and J. Stepišnik. Spatially-distributed pulsed gradient spin echo NMR using single-wire proximity. Phys. Rev. Lett., 199575, 4532-4535.

R. Kimmich, S. Stapf, R-O. Seitter, P.T. Callaghan and E. Khozina. Molecular dynamics of monomer, oligomer and polymer liquids in porous media: a field-cycling NMR relaxometry and NMR field gradient diffusometry study. Mater. Res. Soc. Symp. P., 1995, 366, 189.

C.J. Rofe, L. de Vargas, J. Perez-González, R.K. Lambert, and P.T. Callaghan. Nuclear magnetic resonance imaging of apparent slip effects in xanthan solutions. J. Rheol., 1996, 40, 1115-1128.

A.Coy and P.T. Callaghan. Scattering wavevector analysis of pulsed gradient spin echo data, in Signal Treatment and Signal Analysis in NMR, ed D.N. Rutledge, Elsevier, 1996.

P.T. Callaghan. Susceptibility and diffusion effects in NMR microscopy, in Encyclopedia of Nuclear Magnetic Resonance, Wiley, 1996, 4665.

P.T. Callaghan, M.E. Cates, C.J. Rofe and J.B.A.F. Smeulders. A study of the "spurt effect" in wormlike micelles using nuclear magnetic resonance microscopy. J. Phys II, 1996, 6, 375-393.

P.T. Callaghan and J. Stepišnik. Generalised analysis of motion using magnetic field gradients. Adv. Magn. Opt. Reson., 1996, 19, 325-388.

U. Skibbe, J. Christeller, P.T. Callaghan, C.D. Eccles and W. Laing. Visualzation of pH gradients in the larval midgut of Spodoptera litura using 31P-NMR microscopy. J. Insect Physiol., 1996, 42, 777-790.

A. Coy, N. Kaplan and P. T. Callaghan. Three dimensional pulsed ESR imaging. J. Magn. Reson. Ser. A, 1996, 121, 201-205.

J.D. Seymour and P.T. Callaghan. "Flow-diffraction" structural characterization and measurement of hydrodynamic dispersion in porous media by PGSE NMR. J. Magn. Reson. Ser. A, 1996, 122, 90-93.

P.T. Callaghan and C.D. Eccles. NMR studies of antarctic sea ice. Bull. Magn. Reson., 1996, 18, 62-64.

R.W. Mair and P.T. Callaghan. Observation of shear banding in worm-like micelles by NMR velocity imaging. Europhys. Lett., 1996, 36, 719-724.

P.T. Callaghan. NMR imaging, NMR diffraction and application of pulsed gradient spin echoes in porous media. Magn. Reson. Imaging, 1996, 14, 701-709.

W. Köckenberger, J.M. Pope, Y. Xia, K.R. Jeffrey, E. Komor and P.T. Callaghan. A non-invasive measurement of phloem and xylem water flow in castor bean seedlings by nuclear magnetic resonance microimaging. Planta, 1997, 201, 53-63.

P.T. Callaghan and E.T. Samulski. Molecular ordering and the direct measurement of weak proton-proton dipolar interactions in a rubber network. Macromolecules, 1997, 30, 113-122.

P.T. Callaghan, C.D. Eccles and J.D. Seymour. An Earth's field nuclear magnetic resonance apparatus suitable for pulsed gradient spin echo measurements of self-diffusion under Antarctic conditions. Rev. Sci. Instrum., 1997, 68, 4263-4270.

R.C. Ball, P.T. Callaghan and E.T. Samulski. A simplified approach to the interpretation of nuclear spin correlations in entangled polymeric liquids. J. Chem. Phys., 1997, 106, 7352-7361.

B. Manz, J.D. Seymour and P.T. Callaghan. PGSE NMR measurements of convection in a capillary. J. Magn. Reson., 1997, 125, 153-158.

M. Warner, P.T. Callaghan and E.T. Samulski. Nuclear magnetic resonance line shape from strained Gaussian networks. Macromolecules, 1997, 30, 4733-4736.

B. Manz and P.T. Callaghan. NMR investigations of self-diffusion and shear thinning for semidilute polymer solutions near the demixing transition. Macromolecules, 1997, 30, 3309-3316.

R.W. Mair and P.T. Callaghan. Shear flow of wormlike micelles in pipe and cylindrical Couette geometries, as studied by nuclear magnetic resonance microscopy. J. Rheol., 1997, 41, 901-924.

J.D. Seymour and P.T. Callaghan. Generalized approach to NMR analysis of flow and dispersion in porous media. AIChE J., 1997, 43, 2096-2111.

M.M. Britton and P.T. Callaghan. Two-phase shear band structures at uniform stress. Phys. Rev. Lett., 1997, 78, 4930-4933.

M.M. Britton and P.T. Callaghan. Nuclear magnetic resonance visualization of anomalous flow in cone-and-plate rheometry. J. Rheol., 1997, 41, 1365-1386.

M.M. Britton and P.T. Callaghan. NMR Microscopy and the non-linear rheology of food materials. Magn. Reson. Chem., 1997, 35, S37-S46.

P.T. Callaghan. A simple matrix formalism for spin echo analysis of restricted diffusion under generalised gradient waveforms. J. Magn. Reson., 1997, 129, 74-84.

P.T. Callaghan and S.L. Codd. Generalised calculation of NMR imaging edge effects arising from restricted diffusion in porous media. Magn. Reson. Imaging, 1998, 16, 471-478.

P.T. Callaghan and E.T. Samulski. The molecular weight dependence of nuclear spin correlations in entangled polymeric liquids. Macromolecules, 1998, 31, 3693-3705.

P.T. Callaghan, M.E. Komlosh and M. Nyden. High magnetic field gradient PGSE NMR in the presence of a large polarizing field. J. Magn. Reson., 1998, 133, 177-182.

S.L. Codd and P.T. Callaghan. Generalised treatment of modulated gradient spin echo attenuation for restricted diffusions in spherical pores, in Spatially Resolved Magnetic Resonance, eds P. Blüemler, B. Blüemich, R.E. Botto and E Fukushima, Wiley-VCH, Weinheim, 1998, 489-497.

M.M. Britton and P.T. Callaghan. Shear banding in a cone-and-plate rheometer, in Spatially Resolved Magnetic Resonance, Eds P. Blüemler, B. Blüemich, R.E. Botto and E Fukushima, Wiley-VCH, Weinheim, 1998, 507-515.

D.W. Fountain , L.C. Forde, E.E. Smith, K.R. Owens, D.G. Bailey and P.T. Callaghan. Seed development in Phaseolis vulgaris L c.v. Seminole. 3. NMR imaging of embryos during ethylene-induced precocious germination. Seed Sci. Res., 1998, 8, 357-365.

C.D. Eccles, C.J. Clark, S.L. Codd and R. Dykstra. Construction of an MRI system for horticultural and materials science research. Proceedings of the 5th Electronics NZ Conference, Dunedin, New Zealand, September 1998, 45-50.

M.E. Komlosh and P.T. Callaghan. Segmental motion of entangled random coil polymers studied by pulsed gradient spin echo nuclear magnetic resonance. J. Chem. Phys., 1998, 109, 10053-10067.

P.T. Callaghan, M.L. Kilfoil and E.T. Samulski. Chain deformation for a polymer melt under shear. Phys. Rev. Lett., 1998, 81, 4524-4527.

M.M. Britton, P.T. Callaghan, M.L. Kilfoil, R.W. Mair and K.M. Owens. NMR velocimetry and spectroscopy at microscopic resolution in small rheometric devices. Appl. Magn. Reson., 1998, 15, 287-301.

P.T. Callaghan, C.D. Eccles, T.G. Haskell, P.J. Langhorne, and J.D. Seymour. Earth's field NMR in Antarctica: a pulsed gradient spin echo NMR study of restricted diffusion in sea ice. J. Magn. Reson., 1998, 133, 148-154.

J.D. Seymour, B. Manz and P.T. Callaghan. Pulsed gradient spin echo nuclear magnetic resonance measurements of hydrodynamic instabilities with coherent structure: Taylor vortices. Phys. Fluids, 1999, 11, 1104-1113.

S.L. Codd and P.T. Callaghan. Spin echo analysis of restricted diffusion under generalized gradient waveforms: planar, cylindrical and spherical pores with wall relaxivity. J. Magn. Reson., 1999, 137, 358-372.

M.M. Britton and P.T. Callaghan. Shear banding instability in wormlike micellar solutions. Eur. J. Phys. B, 1999, 7, 237-249.

P.T. Callaghan, R. Dykstra, C.D. Eccles, T.G. Haskell and J.D. Seymour. A nuclear magnetic resonance study of Antarctic sea ice brine diffusivity. Cold Reg. Sci. Technol., 1999, 29, 153-171.

P.T. Callaghan. Rheo-NMR: nuclear magnetic resonance and the rheology of complex fluids. Rep. Prog. Phys., 1999, 62, 599-670.

M.M. Britton, R.W. Mair, R.K. Lambert and P.T. Callaghan. Transition to shear-banding in pipe and Couette flow of worm-like micelles. J. Rheol., 1999, 43, 897-909.

E.D. Minot, P.T. Callaghan and N. Kaplan. Multiple echoes, multiple quantum coherence and the dipolar field: demonstrating the significance of higher order terms in the equilibrium density matrix. J. Magn. Reson., 1999, 140, 200-205.

P.T. Callaghan, S.L. Codd and J.D. Seymour. Spatial coherence phenomena arising from translational spin motion in gradient spin echo experiments. Concept. Magnetic Res., 1999, 11, 181-202.

S.L. Codd, B. Manz, J.D. Seymour and P.T. Callaghan. Taylor dispersion and molecular displacements in Poiseuille flow. Phys. Rev. E, 1999, 60, R3491-R3494.

P.T. Callaghan and A.M. Gil. 1H NMR spectroscopy of polymers under shear and extensional flow. Rheol. Acta, 1999, 38, 528-536.

R. Meder, R.A. Franich and P.T. Callaghan. 11B magnetic resonance imaging and MAS spectroscopy of trimethylborate-treated radiata pine wood. Solid State Nucl. Mag., 1999, 15, 69-72.

P.T. Callaghan. Imaging and diffraction: the Mansfield legacy. Magn. Reson. Mater. Phy., 1999, 9, 109-111.