M. R. Morrow
Condensed Matter Physics

Department of Physics and Physical Oceanography
Memorial University of Newfoundland


Group Members and Recent Theses



Research in the Department

Biophysics in Canada


S. Sbeih, P. S. Mohanty, A. Yethiraj, and M. R. Morrow (2021) 2H NMR study of polymer segmental dynamics at varying cross-linking in poly(N-isopropylacrylamide) microgels. Langmuir 37, 13664-13675.

N. P. Santisteban, M. R. Morrow, and V. Booth (2020) Effect of AMPs MSI-78 and BP100 on the lipid acyl chains of 2H-labeled intact Gram positive bacteria. Biochimica et Biophysica Acta 1862, 183199.

G. Sandhu, V. Booth, and M. R. Morrow (2020) Role of charge in lipid vesicle binding and vesicle surface saturation by Gaduscidin-1 and Gaduscidin-2. Langmuir 36, 9867-9877.

G. Sandhu, M. R. Morrow, and V. Booth (2020) Roles of histidine change and cardiolipin in membrane disruption by antimicrobial peptides Gaduscidin-1 and Gaduscidin-2. Biochimica et Biophysica Acta 1862, 183444.

S. Sbeih, P. S. Mohanty, M. R. Morrow, and A. Yethiraj (2019) Structural parameters of soft PNIPAM microgel particles as a cunction of crosslink density. Journal of Colloid and Interface Science 552, 781-793.

C. Miranda, V. K. Booth, and M. R. Morrow (2018) Effects of amphipathic polypeptides on membrane organization inferred from studies using bicellar lipid mixtures. Langmuir 34, 11759-11771.

N. Roldan, J. Perez-Gil, M. R. Morrow, and B. Garcia-Alvarez (2017) Divide and conquer: Phase segregation in lung surfactant is modulated by surfactant protein SP-C and cholesterol. Biophysical Journal 113, 847-859.

C. Knight, A. Rahmani, and M. R. Morrow (2016) Effecto fo an anionic lipid on the barotropic behavior of a ternary bicellar mixture. Langmuir 32, 10259-10267.

A. Rahmani, C. Knight , and M. R. Morrow. (2013) Response to hydrostatic pressure of bicellar dispersions containing anionic lipid: Pressure-induced interdigitation. Langmuir 29, 13481-13490

M. Sharifahmadian, M. Sarker, D. Palleboina , A. J. Waring, F. J. Walther, M. R. Morrow, and V. B. Booth. (2013) Role of the N-Terminal Seven Residues of Surfactant Protein B (SP-B) PLoS ONE 8, e72821.

A. Sylvester, L. MacEachern,V. B. Booth, and M. R. Morrow. (2013) Interaction of the C-Terminal Peptide of Pulmonary Surfactant Protein B (SP-B) with a Bicellar Lipid Mixture Containing Anionic Lipid PLoS ONE 8, e72248.

L. MacEachern, A. Sylvester, A. Flynn, A. Rahmani, and M. R. Morrow. (2013) Interaction of the C-Terminal Peptide of Pulmonary Surfactant Protein B (SP-B) with a Bicellar Lipid Mixture Containing Anionic Lipid Langmuir 29, 3688-3699.

D. Palleboina, A. J. Waring, R. H. Notter, V. Booth, and M. R. Morrow. (2012) Effects of the lung surfactant protein B construct Mini-B on lipid bilayer order and topography European Biophysics Journal 41, 755-767.

A. Flynn , M.Ducey, A. Yethiraj, and M. R. Morrow (2012) Dynamic properties of bicellar lipid mixtures observed by rheometry and quadrupole echo decay. Langmuir 28, 2782-2790.

J. Pius, M. R. Morrow, and V. Booth (2012)2H Solid-State Nuclear Magnetic Resonance Investigation of Whole Escherichia coli Interacting with Antimicrobial Peptide MSI-78. Biochemistry 51, 118-125.

M. C. McDonald, V. Booth, and M. R. Morrow (2011) Orientation and dynamics of synthetic transbilayer polypeptides containing GpATM dimerization motifs. Biophysical Journal 100, 656-664.

M. Sarker, J. Rose, M. McDonald, M. R. Morrow, and V. Booth (2011) Modifications to surfactant protein B structure and lipid interactions under respiratory distrss conditions: Consequences of Tryptophan oxidation.Biochemistry 50, 25-36.

Md. N. Uddin and M. R. Morrow (2010) Bicellar mixture phase behaviour examined by variable-pressure deuterium NMR and ambient pressure DSC. Langmuir 26, 12104-12111.

T. C. Yang, M. McDonald, M. R. Morrow, and V. Booth (2009) The effect of a C-terminal peptide of surfactant protein B (SP-B) on oriented lipid bilayers characterized by solid state 2H- and 31P-NMR. Biophysical Journal 96,3762-3771.

B. Russell-Schulz, V. Booth, and M. R. Morrow (2009) Perturbation of DPPC/POPG bilayers by the N-terminal helix of lung surfactant protein SP-B: a 2H NMR study. European Biophysics Journal 38, 613-624.

M. R. Morrow, A. Helle, J. Perry, I. Vattulainen. S. K. Wiedmer, and J. Holopainen (2009) Ceramide-1-phosphate, in contrast to ceramide, is not segregated into lateral lipid domains in DPPC bilayers. Biophysical Journal 96, 2216-2226.

A. Gonzalez-Horta. D. Andreu, M. R. Morrow, J. Perez-Gil (2008) Effects of palmitoylation on dynamics and phospholipid-bilayer-perturbing properties of the N-terminal segment of pulmonary surfactant protein SP-C, as revealed by 2H-NMR. Biophysical Journal 95, 2308-2317.

H. Singh, J. Emberley, M. R. Morrow (2008) Pressure induces interdigitation differently in DPPC and DPPG. European Biophysics Journal 37, 783-792.

M. R. Morrow, S. Temple, J. Stewart, K. M. W. Keough (2007) Comparison of DPPC and DPPG environments in pulmonary surfactant models. Biophysical Journal 93, 164-175.

I. D. Skanes, J. Stewart, K. M. W. Keough, M. R. Morrow (2006) Effect of chain unsaturation on bilayer response to pressure. Physical Review E 74, 051913.

M. Hayley, J. Emberley, P.J. Davis, M. R. Morrow, and J. J. Robinson (2006) Interaction of toposome from sea-urchin yolk granules with dimyristoyl phosphatidylserine model membranes: a 2H-NMR study. Biophysical Journal 91, 4555-4564.

K. Nag, K. M. W. Keough, M. R. Morrow (2006) Probing perturbation of bovine lung surfactant extracts by albumin using DSC and 2H-NMR. Biophysical Journal 90, 3632-3642.

J. Repakova, J. M. Holopainen, M. R. Morrow, M. C. McDonald, P. Capkova, and I. Vattulainen (2005) Influence of DPH on the structure and dynamics of a DPPC bilayer. Biophysical Journal 88, 3398-3410.

D. J. Goodyear, S. Sharpe, C. W. M. Grant, and M. R. Morrow (2005) Molecular dynamics simulation of polypeptide orientational fluctuations. Biophysical Journal 88, 105-117.

T. A. Harroun, M.-P. Nieh, M. J. Watson, V. A. Raghunathan, G. Pabst, M. R. Morrow, and J. Katsaras (2004) Relationship between the unbinding and main transition temperatures of phospholipid bilayers under pressure. Physical Review E 69, 031906.

A. Brown, I. Skanes, and M. R. Morrow (2004) Pressure-induced ordering in mixed-lipid bilayers. Physical Review E 69, 011913.

M. R. Morrow, N. Abu-Libdeh, J. Stewart, and K. M. W. Keough (2003) Interaction of pulmonary surfactant protein SP-A with DPPC/egg-PG bilayers. Biophysical Journal 85, 2397-2405.

M. R. Morrow, J. Stewart, S. Taneva, A. Dico, and K. M. W. Keough (2003) Perturbation of DPPC bilayers by high concentrations of pulmonary surfactant protein SP-B. European Biophysics Journal 33, 285-290.

S. Sharpe, K. R. Barber, C. W. M. Grant, David Goodyear, and M. R. Morrow (2002) Organization of model helical peptides in lipid bilayers: Insight into the behaviour of single-span protein transmembrane domains. Biophysical Journal 83, 345-358.

J. R. de Bruyn, J. K. C. Lewis, M. R. Morrow, S. P. Norris, N. H. Rich, J. P. Whitehead, and M. D. Whitmore (2002) A computer-based first-year Physics course: Computational Physics and Data Analysis. Canadian Journal of Physics 80, 855-865.

S. Sharpe, C. W. M. Grant, K. R. Barber, J. Giusti, and M. R. Morrow (2001) Structural implications of a Val->Glu Mutation in Transmembrane Peptides from the EGF Receptor. Biophysical Journal 81, 3231-3239.

M. R. Morrow and C. W. M. Grant (2000) The EGF receptor Transmembrane Domain: peptide-peptide interactions in fluid bilayer membranes. Biophysical Journal 79, 2024-2032.

C. S. Jackman, P. J. Davis, M. R. Morrow and K. M. W. Keough (1999) Effect of cholesterol on the chain-ordering transition of 1-palmitoyl-2-arachidonoyl phosphatidylcholine. J. Phys. Chem. B 103, 8830-8836.

B. B. Bonev and M. R. Morrow (1998) 2H NMR studies of dipalmitoylphosphatidylcholine and dipalmitoylphosphatidylcholine/cholesterol bilayers at high pressure. Canadian Journal of Chemistry 76 1512-1519.

D. C. Fiech, B. B. Bonev, and M. R. Morrow (1998) Effect of pressure on dimyristoylphosphatidylcholine bilayer headgroup dynamics. Physical Review E 57, 3334-3343.

M. L. Kilfoil and M. R. Morrow (1998) Slow motions in bilayers containing anionic lipids. Physica A 261, 82-94.

A. S. Dico, S. Taneva, M. R. Morrow, and K. M. W. Keough (1997) Effect of calcium on phospholipid interaction with pulmonary surfactant protein C. Biophysical Journal 73, 2595-2602.

A. S. Dico, J. Hancock, M. R. Morrow, J. Stewart, S. Harris, and K. M. W. Keough (1997) Pulmonary surfactant protein SP-B interacts similarly with dipalmitoylphosphatidylglycerol and dipalmitoylphosphatidylcholine in PC/PG mixtures. Biochemistry 36, 4172-4177.

B. B. Bonev and M. R. Morrow (1997) Simple probe for variable-pressure deuterium NMR studies of soft materials. Review of Scientific Instruments 68, 1827-1830.

B. B. Bonev and M. R. Morrow (1997) Effect of pressure on the dimyristoylphosphatidylcholine bilayer main transition. Physical Review E 55, 5825-5833.

M. R. Morrow, P. J. Davis, C. S. Jackman, and K. M. W. Keough (1996) Thermal history alters cholesterol effect on the transition of 1-palmitoyl-2-linoleoyl phosphatidylcholine. Biophysical Journal 71, 3207-3214.

B. B. Bonev and M. R. Morrow (1996) Effects of hydrostatic pressure on bilayer phase behavior and dynamics of dilauroylphosphatidylcholine. Biophysical Journal 71, 2727-2735.

B. B. Bonev and M. R. Morrow (1995) Hydrostatic pressure-induced conformational changes in phosphatidylcholine headgroups: A 2H NMR study. Biophysical Journal 69, 518-523.

M. R. Morrow, D M. Singh and C. W. M. Grant (1995) Glycosphingolipid headgroup orientation in fluid phospholipid/cholesterol membranes: similarity for a range of glycolipid fatty acids. Biophysical Journal 69, 955-964.

M. R. Morrow, D. M. Singh and C. W. M. Grant (1995) Glycosphingolipid acyl chain order profiles: substituent effects. Biochimica et Biophysica Acta 1235, 239-248.

D. Lu, I. Vavasour and M. R. Morrow (1995) Smoothed acyl chain orientational order parameter profiles in dimyristoylphosphatidylcholine-distearoylphosphatidylcholine mixtures: A 2H NMR study. Biophysical Journal 68, 574-583.

M. R. Morrow, D. Singh, D. Lu and C. W. M. Grant (1995) Glycosphingolipid fatty acid arrangement in phospholipid bilayers: Cholesterol effects. Biophysical Journal 68, 179-186.

M. R. Morrow, S. Taneva, G. A. Simatos, L. A. Allwood and K. M. W. Keough (1993) 2H NMR studies of the effect of pulmonary surfactant SP-C on the 1,2-dipalmitoyl-sn-glycero-3-phosphocholine headgroup: A model for transbilayer peptides in surfactant and biological membranes. Biochemistry 32, 11338-11344.

M. R. Morrow, J. Perez-Gil, G. Simatos, C. Boland, J. Stewart, D. Absolom, V. Sarin and K. M. W. Keough (1993) Pulmonary surfactant-associated protein SP-B has little effect on acyl chains in dipalmitoylphosphatidylcholine dispersions. Biochemistry 32, 4397-4402.

D. Lu, D. Singh, M. R. Morrow and C. W. M. Grant (1993) Effect of glycosphingolipid fatty acid chain length on behavior in unsaturated phosphatidylcholine bilayers: A 2H NMR study. Biochemistry 32, 290-297.

M. R. Morrow, D. Singh, D. Lu and C. W. M. Grant (1993) Glycosphingolipid acyl chain orientational order in unsaturated phosphatidylcholine bilayers. Biophysical Journal 64, 654-664.

M. R. Morrow, J. P. Whitehead, and D. Lu (1992) Chain-length dependence of lipid bilayer properties near the liquid crystal to gel phase transition. Biophysical Journal 63, 18-27.

M. R. Morrow. D. Singh, D. Lu, and C. W. M. Grant (1992) Glycosphingolipid phase behaviour in unsaturated phosphatidylcholine bilayers: a 2H-NMR study. Biochimica et Biophysica Acta 1106, 85-93.

M. R. Morrow and D. Lu (1991) Universal behavior of acyl chain order: chain length scaling. Chemical Physics Letters 182, 435-439.

M. R. Morrow, R. Srinivasan, and N. Grandal (1991) The phase diagram of dimyristoyl phosphatidylcholine and chain-perdeuterated distearoyl phosphatidylcholine: A deuterium NMR spectral difference study. Chemistry and Physics of Lipids 58, 63-72.

M. R. Morrow, G. A. Simatos, R. Srinivasan, N. Grandal, L. Taylor, and K. M. W. Keough (1991) The effect of changes in gramicidin conformation on bilayer lipid properties. Biochimica et Biophysica Acta 1070, 209-214.

G. A. Simatos, K. B. Forward, M. R. Morrow, and K. M. W. Keough (1990) Interaction between perdeuterated dimyristoylphosphatidylcholine and low molecular weight pulmonary surfactant protein SP-C. Biochemistry 29, 5807-5814.

M. R. Morrow (1990) Transverse nuclear-spin relaxation in phosphatidylcholine bilayers containing gramicidin. Biochimica et Biophysica Acta 1023, 197-205.

M. R. morrow and J. P. Whitehead (1988) A phenomenological model for lipid-protein bilayers with critical mixing. Biochimica et Biophysica Acta 941, 271-277.

M. R. Morrow and J. H. Davis (1988) Differential scanning calorimetry and deuterium NMR studies of the phase behavior of gramicidin-phosphatidylcholine mixtures. Biochemistry 27, 2024-2032.

M. R. Morrow and J. H. Davis (1987) Calorimetric and nuclear-magnetic-resonance study of the phase behavior of dilauroylphosphatidylcholine water. Biochimica et Biophysica Acta 904, 61-70.

M. R. Morrow (1986) Analysis of a simple phase shifter. Journal of Magnetic Resonance 69, 501-503.

M. R. Morrow, J. H. Davis, F. Sharom, and M. P. Lamb (1986) Studies on the interaction of human-erythrocyte band-3 with membrane-lipids using deuterium nuclear-magnetic-resonance and differential scanning calorimetry. Biochimica et Biophysica Acta 858, 13-20.

M. R. Morrow, J. C. Huschilt, and J. H. Davis (1985) Simultaneous modeling of phase and calorimetric behavior in an amphiphilic peptide phospholipid model membrane. Biochemistry 24, 5396-5406.

M. Morrow and W. N. Hardy (1983) The magnetic-resonance lineshape for atomic-hydrogen confined by liquid-helium walls. Canadian Journal of Physics 61, 956-963.

W. N. Hardy, M. Morrow, R. Jochemsen, and A. J. Berlinsky (1982) Magnetic-resonance of atomic-hydrogen at low-temperatures. Physica B & C 109, 1964-1977.

R. Jochemsen, M. Morrow, A. J. Berlinsky, and W. N. Hardy. Magnetic-resonance studies of atomic-hydrogen at zero-field and low temperature - recombination and binding on liquid-helium. Physica B & C 109, 2108-2110.

A. J. Berlinsky, M. Morrow, R. Jochemsen, and W. N. Hardy (1982) Magnetic-resonance lineshape of atomic-hydrogen on liquid-helium surfaces - the sticking probability of H on He-4 and He-3. Physica B & C 109, 2111-2113.

W. N. Hardy and M. R. Morrow (1981) Prospects for low-temperature H-masers using liquid-helium coated walls. Journal de Physique 42, 171-179.

R. Johemsen, M. Morrow, A. J. Berlinsky, and W. N. Hardy (1981) Interaction of hydrogen-atoms with helium films - sticking probabilities for H on He-3 and He-4 and the binding-energy of H on He-3. Physical Review Letters 12, 852-855.

M. Morrow, R. Jochemsen, A. J. Berlinsky, and W. N. Hardy (1981) Zero-Field Hyperfine Resonance of Atomic Hydrogen for 0.18 <~T < ~1 K: The Binding Energy of H on Liquid 4He. Physical Review Letters 46, 195-198.

M. Morrow, W. N. Hardy, J. F. Carolan, A. J. Berlinsky, L. Weiler, V. K. Gujral, A. Janossy, K. Holczer, G. Mihlay, G. Gruner, S. huizinga, A. Verwey, and G. A. Sawatsky (1980) Electrical-properties of MEM(TCNQ)2. Canadian Journal of Physics 58, 334-3422.

W. N. Hardy, M. Morrow, R. jochemsen, B. W. Statt, P. R. Kubik, R. M. Marsolais, A. J. Berlinsky and A. Landesman (1980) Magnetic-resonance studies of gaseous atomic hydrogen confined at 1K and zero magnetic field. Physical Review Letters 45, 453-456.

M. R. Morrow, O. Auciello, S. Dzioba, and R. Kelly (1980)On the problem of whether the transition-probability plays a role in describing secondary-photon yields. Surface Science 97 243-256.