Murray Gray: C.V.

Ph. D., California Institute of Technology (Chem. Eng.) 1984
M. Eng., Calgary (Petroleum Engineering) 1980
B. Sc., Toronto (Chem. Eng. with honours) 1978

EXPERIENCE

• Syncrude/NSERC Industrial Research Chair in Advanced Upgrading of Bitumen
• Dean, Faculty of Graduate Studies and Research, University of Alberta, January 1994 - June 1998
• Chair, Department of Chemical Engineering, University of Alberta, July 1990 - December 1993
• Professor, Department of Chemical Engineering, University of Alberta, July 1990 - present
• Associate Professor, Department of Chemical Engineering, University of Alberta, 1985 - 1990
• Assistant Professor, Department of Chemical Engineering, University of Alberta, 1983 - 1985
• Gas Engineer, Process and Project Development, Shell Canada Resources, 1978 - 1980

AWARDS AND FELLOWSHIPS

• 2003 Canadian Society for Chemical Engineering Award in Industrial Practice
• 2003 Engineering Institute of Canada Fellow
• 2000 Killam Annual Professorship, University of Alberta
• 2000 Faculty of Engineering Award for Excellence in Undergraduate Teaching
• 1999 Syncrude/NSERC Industrial Research Chair in Advanced Upgrading of Bitumen
  
• 1997 Alberta Science and Technology Leadership Foundation Prize in Oil Sands Research
• 1996 Syncrude Innovation Award, Canadian Society for Chemical Engineering
• 1994 Fellowship in the Chemical Institute of Canada
• 1988-89 McCalla Research Professorship, University of Alberta

MEMBERSHIPS

• member of APEGGA, professional engineer
• member of American Institute of Chemical Engineers (AIChE)
• member of American Chemical Society (ACS.)
• member of Upgrading Committee, Canadian Oilsands Network for Research and Development (CONRAD)

OTHER INFORMATION

• President, North American Alliance of Chemical Engineers, 2000
• Alberta Membership Chair, Governor General's Canadian Study Conference, 2000.
• President, Canadian Society for Chemical Engineering, 1999-00
• Member of Adjudication Committee, Canadian Foundation for Innovation (CFI), 1998-present.
• Member of Board of Directors, Environmental Science and Technology Alliance Canada (ESTAC), 1998-2001
• Chair of Reallocations Steering Committee for NSERC
• Member, Editorial Board, Reviews in Process Chemistry and Engineering, 1997 - 2000
• Chemical/Metallurgical Engineering Grant Selection Committee, 1996-97
• Member, International Advisory Board, Energy and Fuels, 1994-1996
• Chair of NSERC Chemical/Metallurgical Engineering Grant Selection Committee, 1994-95
• Member of Management Committee, Environmental Science and Technology Alliance Canada, 1994-1998
• Member of NSERC Chemical/Metallurgical Engineering Grant Selection Committee, 1992-94
• Director of Publications, Canadian Society for Chemical Engineering (CSChE) 1990-93.
• Chairman, Edmonton Section, CSChE, 1988-89
• Program Director 1984-85, Edmonton Section, CSChE
• University Liason 1985-88, Edmonton Section, CSChE

PUBLICATIONS

Refereed Journal Papers:

1. Rahmani, S.; McCaffrey, W.C.; Dettman, H.D. and Gray, M.R.* "Coking kinetics of asphaltenes as a function of chemical structure" Energy and Fuels, accepted for publication, May 15, 2003.

2. Gray, M.R.*; Zhang, Z.; McCaffrey, W.C.; Huq, I.; Boddez, L.; Xu, Z.; Elliott, J.A.W. "Measurement of Adhesive Forces During Coking of Athabasca Vacuum Residue" Industrial and Engineering Chemistry Research, 24 pp, accepted for publication May 2003.

3. . Van Hamme, J.D.*; Wong, E.T.; Dettman, H.D.; Gray, M.R.; Pickard, M.A. "Dibenzyl sulfide metabolism by white rot fungi". Applied and Environmental Microbiology, 69, 1320-1324 (2003).

4. Aoyagi, K., McCaffrey, W.C.; Gray, M.R.* "Kinetics of Hydrocracking and Hydrotreating of Coker and Oilsands Gas Oils", Petroleum Science and Technology, 21, 997-1015 (2003).

5. Gray, M.R.*; McCaffrey, W.C.; Srinivasan, N.; Chung, K. "Trapping of Aromatic Compounds During Coking of Athabasca Vacuum Residue", Energy and Fuels, 17, 282-284 (2002).

6. Karimi Lotfabad, S.; Gray, M.R.* "Kinetics of biodegradation of mixtures of polycyclic aromatic hydrocarbons". Applied Microbiology and Biotechnology, 60, 361-365 (2002).
   

7. Bressler, D.C.; Gray, M.R.* "Hydrotreating chemistry of model products from bioprocessing of carbazoles" Energy and Fuels, 16, 1076-1086 (2002).

8. Gray, M.R.*; Srinivasan, N.; Masliyah, J.H. "Pressure Buildup in Gas-Liquid Flow Through Packed Beds Due to Deposition of Fine Particles", Canadian Journal of Chemical Engineering, 80, 346-354 (2002).

9. Kim, I.S.:, Foght, J.M.: Gray, M.R.* "Selective Transport and Accumulation of Alkanes by Rhodococcus erythropolis S+14He", Biotechnology and Bioengineering, 80, 650-659 (2002).
   

10. Gray, M.R.*; McCaffrey, W.C. "Role of chain reactions and olefin formation in cracking, hydroconversion and coking of petroleum and bitumen fractions." Energy and Fuels, 16, 756-766 (2002).
    

11. Japanwala, S.; Dettman, H.D.; Chung, K.; Gray, M.R.* "Quality of distillates from repeated recycle of residues", Energy and Fuels, 16, 477-484 (2002).
    

12. Rahmani, S., McCaffrey, W.C., Gray, M.R.* "Kinetics of solvent interactions with asphaltenes during coke formation", Energy and Fuels, 16, 148-154 (2002).
    

13. Parsons, T.G., Masliyah, J.H., Gray, M.R.* "Solid-Liquid Mass Transfer in a Rotary Drum", Canadian Journal of Chemical Engineering, 79, 726-731 (2001).
    

14. Dutta, R.P., McCaffrey, W.C.*, Gray, M.R., Muehlenbachs, K. "Use of 13C Tracers to Determine Mass-Transfer Limitations on Thermal Cracking of Thin Films of Bitumen", Energy and Fuels, 15, 1087-1093 (2001).

15. Gray, M.R.*; Le, T.; McCaffrey, W.C.; Berruti, F.; Soundararajan, S.; Chan, E.; Huq, I. "Coupling of mass transfer and reaction in coking of thin films of Athabasca vacuum residue". Industrial and Engineering Chemistry Research, 40, 3317-3324 (2001).
    

16. Yan, N.; Gray, M.R.; Maliyah, J.H.* "On water in oil emulsions stabilized by fine solids", Colloids and Surfaces A: Physicochemical and Engineering Aspects, 193, 97-107 (2001).
    

17. Gray, M.R.*; Bugg, T. "Selective biocatalysis in bacteria controlled by active membrane transport", Industrial and Engineering Chemistry Research, 40, 5126-5131 (2001).
    

18. Zhao, Y.; Gray, M.R.*; Chung, K. "Molar Kinetics and Selectivity in Cracking of Athabasca Asphaltenes" Energy and Fuels, 15, 751-755 (2001).
    

19. Wang, S.; Chung, K.; Gray, M.R.* "Role of hydrotreating products in deposition of fine particles in reactors", Fuel 80, 1079-1085 (2001).
    

20. Bugg, T.; Foght, J.M.; Pickard, M.A.; Gray, M.R.* "Uptake and Active Efflux of Polycyclic Aromatic Hydrocarbons by Pseudomonas fluorescens LP6a", Applied and Environmental Microbiology, 66, 5387-5392 (2000).
    

21. Gray, M.R.*, Banerjee, D.K.; Dudas, M.J., Pickard, M.A. "Protocols to enhance biodegradation of hydrocarbon contaminants in soil", Bioremediation Journal 4, 249-257 (2000).
    

22. Chen, P.; Pickard, M.A.; Gray, M.R.* "Surfactant inhibition of bacterial growth on solid anthracene", Biodegradation, 11, 341-347 (2000).
    

23. Karimi Lotfabad, S.; Gray, M.R.* "Characterization of contaminated soils using confocal scanning laser microscopy and cryogenic scanning electron microscopy". Environmental Science and Technology, 34, 3408-3414 (2000).
    

24. Dutta, R.P.; McCaffrey, W.C.*; Gray, M.R. ; K. Muehlenbachs "Thermal cracking of Athabasca bitumen: Influence of steam on reaction chemistry", Energy and Fuels 14, 671-676 (2000).
    

25. Yan, N.; Maham, Y.; Masliyah, J.H.*; Gray, M.R.; Mather, A.E. "Measurement of contact angles for fumed silica nanospheres using enthalpy of immersion data". Journal of Colloid and Interface Science 228, 1-6 (2000).
    

26. Gray, M.R.*; Zhao, Y.; McKnight, C.M. "Coke and minerals removal from bitumen hydroconversion catalysts", Fuel 79, 285-294 (2000).
    

27. Wang, S.; Chung, K.H.; Masliyah, J.H.; Gray, M.R.* "Deposition of Fine Particles in Packed Beds at Hydrotreating Conditions: Role of Surface Chemistry". Industrial and Engineering Chemistry Research 38, 4878-4888 (1999).
    

28. Jauhari, R.; Gray, M.R.*, Holloway, J.G. "Growth of Rhizobium leguminosarum on Peat in Rotating Bioreactors", Canadian Journal of Chemical Engineering 77, 911-916 (1999).
    

29. Gray, M.R.*; Zhao, Y.; McKnight, C.M.; Komar, D.A.; Carruthers, J.D.; "Coking of Hydroprocessing Catalyst by Residue Fractions of Bitumen", Energy and Fuels 13, 1037-1045 (1999).
    

30. Stelmack, P.L.; Gray, M.R.*; Pickard, M.A. "Bacterial adhesion to soil contaminants in the presence of surfactants". Applied and Environmental Microbiology 65, 163-168 (1999).
    

31. Nagaishi, H.; Ikeda, K.; Kitano, K.; Chan, E.W.; Gray, M.R. "Observation of heavy oil vaporization under rapid heating." Energy and Fuels 12, 1174-1180 (1998).
    

32. Chung, K.H.*; Xu, S.; Gray, M.R.; Zhao, Y.; Kotlyar, L.; Sparks, B. "The chemistry, reactivity and processability of Athabasca bitumen pitch." Reviews in Process Chemistry and Engineering 1, 41-79 (1998).
    

33. Wang, S.; Chung, K.; Masliyah, J.H.; Gray, M.R.* "Toluene-insoluble fraction from thermal cracking of Athabasca gas oil: Formation of a liquid-in-oil emulsion that wets hydrophobic dispersed solids." Fuel 77, 1647-1653 (1998).
    

34. Rutherford, P.M.; Banerjee, D.K.; Luther, S.M.; Gray, M.R.*; Dudas, M.J.; McGill, W.B.; Pickard, M.A.; Salloum, M.J "Slurry-Phase Bioremediation of Creosote- and Petroleum-Contaminated Soils". Environmental Technology 19, 683-696 (1998).
    

35. Khorasheh, F.*; Khaledi, R.; Gray, M.R. "Computer generation of representative molecules for heavy hydrocarbon mixtures". Fuel 77, 247-253 (1998).
    

36. Jauhari, R.; Gray, M.R.*, Masliyah, J.H. "Gas-solid mass transfer in a rotary drum". Canadian Journal of Chemical Engineering 76, 224-231 (1998).
    

37. Narayan, R.; Coury, J.R.; Masliyah, J.H., Gray, M.R.* "Particle trapping and plugging in packed-bed reactors". Industrial and Engineering Chemistry Research 36, 4620-4627 (1997).
    

38. Richardson, S.M.; Gray, M.R.* "Enhancement of residue hydroprocessing catalysts by doping with alkali metals". Energy and Fuels 11, 1119-1126 (1997).
    

39. Willumsen, B.; Gray, M.R.*; Dudas, M.J. "Biological degradation of anthracene in soil after sorption from non-aqueous phase liquids". Environmental Technology 18, 755-762 (1997).
    

40. Tanabe, K.; Gray, M.R.* "Role of fine solids in the coking of vacuum residues". Energy and Fuels 11, 1040-1043 (1997).
    

41. Ayasse, A.R.; Nagaishi, H.; Chan, E.W.; Gray, M.R.* "Lumped kinetics of hydrocracking of bitumen". Fuel 76, 1025-1033 (1997).
    

42. Rutherford, P.M.; Gray, M.R.*; Dudas, M.J. "Desorption of 14C-naphthalene from bioremediated and non-bioremediated soils contaminated with creosote compounds". Environmental Science and Technology 31, 2515-2519 (1997).
    

43. Gudi, R.D.; Shah, S.L.*; M.R. Gray, M.R.; Yegneswaran, P.K. "Multirate Estimation and Control of Nutrient Levels in a fed-batch fermentation using off-line and on-line measurements". Canadian Journal of Chemical Engineering 75, 562-573 (1997).
    

44. Lu, G.Z.; Bittorf, K.; Thompson, B.G.; Gray, M.R.* "Liquid circulation and mixing in an inclined bubble column". Canadian Journal of Chemical Engineering 75, 290-298 (1997).
    

45. Ngo, L.Y.; Tam, Y.K.*; Tawfik, S.; Coutts, R.T.; Gray, M.R. "Effects of intravenous infusion of lidocaine on its pharmacokinetics in conscious instrumented dogs". Journal of Pharmaceutical Sciences 86, 944-952 (1997).
    

46. Nagaishi, H.; Chan, E.W.; Sanford, E.C.; Gray, M.R.* "Kinetics of High-Conversion Hydrocracking of Bitumen". Energy and Fuels 11, 402-410 (1997).
    

47. Banerjee, D.K.; Gray, M.R.* "Analysis of hydrocarbon contaminated soil by thermal extraction-gas chromatography". Environmental Science and Technology 31, 646-650 (1997).
    

48. Richardson, S.M.; Nagaishi, H.; Gray, M.R.* "Initial coke deposition on a Ni-Mo/Al2O3 bitumen hydroprocessing catalyst". Industrial and Engineering Chemistry Research 35, 3940-3950 (1996).
    

49. Karimi Lotfabad, S.; Pickard, M.A.; Gray, M.R.* "Reactions of polynuclear aromatic hydrocarbons on soil", Environmental Science and Technology 30, 1145-1151 (1996).
    

50. Eckert, W.F.; Masliyah, J.H.*; Gray, M.R.; Fedorak, P.M. " Prediction of sedimentation and consolidation of fine tails". AIChE J. 42, 960-972 (1996).
    

51. Sanford, E.C.*; Steer, J.G.; Muehlenbachs, K.; Gray, M.R. "Residuum hydroconversion with Ni-Mo/Al2O3 catalysts: Stable hydrogen and carbon isotope studies on hydrogenation and catalyst deactivation". Energy and Fuels 9, 928-935 (1995).
    

52. Gray, M.R.*; Ayasse, A.R.; Chan, E.W.; Veljkovic, M. "Kinetics of desulfurization of thiophenic and sulfide sulfur in Athabasca bitumen". Energy and Fuels 9, 500-506 (1995).
    

53. Theriault, Y.; Masliyah, J.H.; Fedorak, PM.; Vazquez-Duhalt, R.; Gray, M.R.* "The effect of chemical, physical and enzymatic treatments on the dewatering of tar sands tailings". Fuel 74, 1404-1412 (1995).
    

54. Gudi, R.D.; Shah, S.L.*; Gray, M.R. "Adaptive multirate state and parameter estimation strategies with application to a bioreactor" AIChE J. 41, 2451-2464 (1995).
    

55. Roberts, R.M.; Gray, M.R., Thompson, B.G.; Kresta, S.M.* "The effect of impeller and tank geometry on circulation time distributions in stirred tanks." Trans. Inst. Chemical Engineers, 73, Part A, 78-86 (1995).
    

56. Lu, G.Z.; Thompson, B.G.; Suresh, M.R.; Gray, M.R.* "Cultivation of hybridoma cells in an inclined bioreactor." Biotechnology and Bioengineering 45, 176-186 (1995).
    

57. Banerjee, D.K.; Fedorak, P.M.; Hashimoto, A.; Masliyah, J.H.; Pickard, M.A.; Gray, M.R.* "Monitoring the biological treatment of anthracene-contaminated soil in a rotating-drum bioreactor." Applied Microbiology and Biotechnology 43, 521-528 (1995).
    

58. Kindzierski, W.B.; Fedorak, P.M.*; Gray, M.R.; Hrudey, S.E. "Activated carbon and synthetic resins as support material for methanogenic phenol-degrading consortia: Comparison of phenol-degrading activities". Water Environment Research 67, 108-117 (1995).
    

59. Gudi, R.D.; Shah, S.L.*; Gray, M.R. "Multirate state and parameter estimation in an antibiotic fermentation with delayed measurements". Biotechnology and Bioengineering 44, 1271-1278 (1994).
    

60. Husband, D.L.; Masliyah, J.H.; Gray, M.R.* "Cell and surfactant separation by column flotation". Canadian Journal of Chemical Engineering 72, 840-847 (1994).
    

61. Hussain, M.D.; Tam, Y.K.*; Gray, M.R.; Coutts, R.T. "Kinetic interactions of lidocaine, diphenhydramine and verapamil with diltiazem: A study using isolated perfused rat liver". Drug Metabolism and Disposition 22, 530-536 (1994).
    

62. Munoz, V.A.; Ghorpadkar, S.V.; Gray, M.R.* "Characterization of coke on spent hydroprocessing catalysts by optical microscopy". Energy and Fuels 8, 426-434 (1994).
    

63. Masliyah, J.H.*; Jauhari, R.; Gray, M.R. "Drag coefficients for air bubbles rising along an inclined surface". Chem. Eng. Sci. 49, 1905-1911 (1994).
    

64. Khorasheh, F.; Gray, M.R.* "Thermal hydrocracking of n-hexadecane in benzene". Energy and Fuels 8, 507-512 (1994).
    

65. Gray, M.R.*; Banerjee, D.K.; Fedorak, P.M.; Hashimoto, A.; Masliyah, J.H.; Pickard, M.A. "Biological remediation of anthracene-contaminated soil in rotating bioreactors." Applied Microbiology and Biotechnology 40, 933-940 (1994).
    

66. Hussain, M.D.; Tam, Y.K.*; Gray, M.R.; Coutts, R.T. "Mechanisms of time-dependent kinetics of diltiazem in the isolated-perfused rat liver." Drug Metabolism and Disposition 22, 36-42 (1994).
    

67. Khorasheh, F.; Gray, M.R.* "High-pressure thermal cracking of n-hexadecane in tetralin". Energy and Fuels 7, 960-967 (1993).
    

68. Khorasheh, F.; Gray, M.R.* "High-pressure thermal cracking of n-hexadecane". Industrial and Engineering Chemistry Research 32, 1853-1863 (1993).

69. Khorasheh, F.; Gray, M.R.* "High-pressure thermal cracking of n-hexadecane in aromatic solvents". Industrial and Engineering Chemistry Research 32, 1864-1876 (1993).

70. Gray, M.R.*; Mehta, B.; Masliyah, J.H. "Liquid-side mass transfer coefficients for liquids and slurries in a rotating drum". Chemical Engineering Science 48, 3442-3445 (1993).
    

71. Namdev, P.K.; Irwin, N.C.; Thompson, B.G.; Gray, M.R.* "Effect of oxygen fluctuations on recombinant Escherichia coli fermentation". Biotechnology and Bioengineering 41, 666-670 (1993).
    

72. Namdev, P.K.; Thompson, B.G.; Gray, M.R.* "Effects of glucose fluctuations on synchrony in fed-batch fermentations of Saccharomyces cerevisiae." Biotechnology Progress 8, 501-507 (1992).

73. Lu, G.Z.; Thompson, B.G.; Gray, M.R.* "Physical modeling of animal cell damage by hydrodynamic forces in suspension cultures". Biotechnology and Bioengineering 40, 1277-1281 (1992).
    

74. Steer, J.G.; Muehlenbachs, K.; Gray, M.R.* "Stable isotope analysis of hydrogen transfer during catalytic hydrocracking of residues". Energy and Fuels 6, 540-544 (1992).
    

75. Craik, S.A.; Fedorak, P.M.; Hrudey, S.E.; Gray, M.R.* "Kinetics of methanogenic degradation of phenol by activated-carbon supported and granular biomass". Biotechnology and Bioengineering 40, 777-786 (1992).

76. Kindzierski, W.B.; Gray, M.R.; Fedorak, P.M.; Hrudey, S.E.* "Activated carbon and synthetic resins as support material for methanogenic phenolic-degrading consortia - comparison of surface characteristics and initial colonization". Water Environment Research 64, 766-775 (1992).

77. Gray, M.R.*; Khorasheh, F.; Wanke, S.E.; Achia, U.; Krzywicki, A.; Sanford, E.C.; Sy, O.K.Y.; Ternan, M. "The role of catalyst in hydrocracking of residues from Alberta bitumens". Energy and Fuels 6, 478-485 (1992).

78. . Jokuty, P.L.; Gray, M.R.* "Nitrogen bases resistant to hydrodenitrogenation: Evidence against using quinoline as a model compound". Industrial and Engineering Chemistry Research 31, 1445-1449 (1992).

79. Bloemkolk, J.W.; Merchant, F.; Mosmann, T.R.; Gray, M.R.* "Effect of temperature on hybridoma cell cycle and MAB production". Biotechnology and Bioengineering 40, 427-431 (1992).

80. Namdev, P.K.; Thompson, B.G.; Gray, M.R.* "The effect of feed zone in fed-batch fermentations of Saccharomyces cerevisiae". Biotechnology and Bioengineering 40, 235-246 (1992).

81. Jokuty, P.L.; Gray, M.R.* "Resistant nitrogen compounds in hydrotreated gas oil from Athabasca bitumen". Energy and Fuels 5, 791-795 (1991).

82. Craik, S.A.; Gray, M.R.; Hrudey, S.E.; Fedorak, P.M.* "Thermogravimetric determination of biomass on activated carbon". Environmental Technology 12, 489-496 (1991).

83. Saville, B.A.*; Gray, M.R.; Tam, Y.K. "Experimental studies of transient mass transfer and reaction in the liver: Interpretation with a heterogeneous compartment model". J. Pharmaceutical Sciences 81, 265-271 (1992).

84. Yegneswaran, P.K.; Thompson, B.G.; Gray, M.R.* "Experimental simulation of dissolved oxygen fluctuations in large fermentors: Effect on Streptomyces clavuligerus". Biotechnology and Bioengineering 38, 1203-1209 (1991).

85. Yegneswaran, P.K.; Thompson, B.G.; Gray, M.R.* "Effect of dissolved oxygen control on growth and antibiotic production from Streptomyces clavuligerus fermentations". Biotechnology Progress 7, 246-250 (1991).

86. . Choi, J.H.K.; Gray, M.R.* "Identification of nitrogen compounds and amides from spent hydroprocessing catalyst". Fuel Processing Technology 28, 77-93 (1991).

87. Gray, M.R.*; Jokuty, P.; Yeniova, H.; Nazarewycz, L.; Wanke, S.E.; Achia, U.; Krzywicki, A.; Sanford, E.C.; Sy, O.K.Y. "The relationship between chemical structure and reactivity of Alberta bitumens and heavy oils". Can. J. Chem. Eng. 69, 833-843 (1991).
    

88. Ke, J.; Tam, Y.K.*; Koo, W.W.K.; Gray, M.R.; Coutts, R.T. "Effects of parenteral nutrition on hepatic elimination of lidocaine: A study using the isolated perfused rat liver". J. of Pharmacology and Experimental Theraputics 255, 351-356, 1990.

89. Namdev, P.K.; Yegneswaran, P.K.; Thompson, B.G.; Gray, M.R.* "Experimental simulation of large-scale bioreactor environments using a Monte Carlo method". Can. J. Chem. Eng. 69, 513-519, 1991.

90. Egiebor, N.O.*; Gray, M.R. "Evidence for methane activation during coal pyrolysis and liquefaction". Fuel 69, 1276-82 (1990).
    

91. Gray, M.R.*; Tam, Y.K. "Pharmacokinetics of drugs which inactivate metabolic enzymes". J. Pharmaceutical Sciences 80, 121-127 (1991).

92. Trytten, L.C.; Gray, M.R.*; Sanford, E.C. "Hydroprocessing of narrow-boiling gas oil fractions: Dependence of reaction kinetics on molecular weight". Industrial and Engineering Chemistry Research 29, 725-730 (1990).

93. Yegneswaran, P.K.; Gray, M.R.*; Thompson, B.G. "Kinetics of CO2 hydration in fermentors: pH and pressure effects". Biotechnology and Bioengineering 36, 92-96 (1990).

94. Gray, M.R. "Lumped kinetics of structural groups: Hydrotreating of heavy distillate". Industrial and Engineering Chemistry Research 29, 505-512 (1990).

95. Tam, Y.K.*; Ke, J.; Coutts, R.T.; Wyse, D.G.; Gray, M.R. "Quantification of three lidocaine metabolites and their conjugates". Pharmacuetical Research 7, 504-507 (1990).

96. Trytten, L.C.; Gray, M.R.* "Estimation of hydrocracking of C-C bonds during hydroprocessing of oils". Fuel 69, 397-399 (1990).

97. Khorasheh, F.; Rangwala, H.A.; Gray, M.R.*; Dalla Lana, I.G. "Interactions between thermal and catalytic reactions in mild hydrocracking of gas oil". Energy & Fuels 3, 716-722 (1989).

98. Khorasheh, F.; Gray, M.R.; Selucky, M.L.* "A correlation for Kovats retention index of C9 to C26 monoalkyl and polymethyl alkanes and alkenes". J. Chromatography 481, 1-16 (1989).
    

99. Kirchen, R.P.*; Sanford, E.C.; Gray, M.R.; George, Z.M. "Coking of Athabasca bitumen derived feedstocks". AOSTRA J. Research 5, 225-235 (1989).

100. Egiebor, N.O.; Gray, M.R.*; Cyr, N. "13C-NMR characterization of organic residues on spent hydroprocessing, hydrocracking, and demetallization catalysts". Applied Catalysis, 55, 81-91 (1989).

101. Saville, B.A.; Gray, M.R.*; Tam, Y.K. "Evidence for lidocaine-induced enzyme inactivation". J. Pharmaceutical Sciences 78, 1003-1008 (1989).
     

102. Zou, J.; Gray, M.R.*; Thiel, J. "Structural changes in Cold Lake bitumen due to in situ combustion". AOSTRA J. Research 5, 75-86 (1989).

103. Gray, M.R.*; Khorasheh, F.; Dalla Lana, I.G.; Yeniova, H. "Correlation of reactivity with chemical structure: Thermal hydrogenation of gas oils". Can. J. Chem. Eng. 67, 628-634 (1989).

104. Gray, M.R.*; Choi, J.H.K.; Egiebor, N.O.; Kirchen, R.P.; Sanford, E.C. "Structural group analysis of residues from Athabasca bitumen". Fuel Science and Technology International 7, 599-610 (1989).

105. Egiebor, N.O.; Gray, M.R.*; Cyr, N. "13C-NMR of solid organic deposits on spent hydroprocessing catalysts". Chem. Eng. Communications 77, 125-133 (1989).

106. Yegneswaran, P.K.; Gray, M.R.*; Westlake, D.W.S. "Effect of reduced oxygen on growth and antibiotic production in Streptomyces clavuligerus". Biotechnology Letters 10, 479-484 (1988).

107. Egiebor, N.O.; Jacobson, J.M.; Gray, M.R.*; Lee, L.K. "Structural group analysis of products from two-stage liquefaction of Highvale coal". Fuel Science and Technology International 7, 251-279 (1989).

108. Choi, J.H.K.; Gray, M.R.* "Structural analysis of extracts from spent hydroprocessing catalysts". Industrial and Engineering Chemistry Research 27, 1587-1595 (1988).

109. Jacobson, J.M.; Gray, M.R.*; Chambers, A.K.; Thiel, J. "Structural compositions of tars from hydropyrolysis of coal. Effect of reaction severity". Energy & Fuels 2, 316-320 (1988).
     

110. Thiel, J.; Gray, M.R.* "NMR spectroscopic characteristics of Alberta bitumens". AOSTRA J. Research 4, 63-73 (1988).

111. Tam, Y.K.*; Tawfik, S.R.; Ke, J.; Coutts, R.T.; Gray, M.R. "HPLC of lidocaine and nine of its metabolites in human plasma and urine". J. Chromatography, Biomedical Applications 423, 199-206 (1987).

112. West, M.B.; Gray M.R.* "Pyrolysis of 1,3-butanediol as a model reaction for wood liquefaction in supercritical water". Can. J. Chem. Eng. 65, 645-650 (1987).

113. Jacobson, J.M.; Gray, M.R.* "The use of infrared spectroscopy and nitrogen titration data in structural group analysis of bitumen". Fuel 66, 749-752 (1987).

114. Jacobson, J.M.; Gray, M.R.* "Structural group analysis of changes in Peace River bitumen caused by thermal recovery". Fuel 66, 753-757 (1987).
     

115. Gray, M.R.*; Tam, Y.K. "A series-compartment model for hepatic elimination". Drug Metabolism and Disposition 15, 27-31 (1987).

116. Khorasheh, F.; Gray, M.R.*; Dalla Lana, I.G. "Structural changes in catalytic processing of Syncrude coker gas oil". Can. J. Chem. Eng. 65, 166-170 (1987).

117. Khorasheh, F.; Gray, M.R.*; Dalla Lana, I.G. "Structural analysis of Alberta heavy gas oils". Fuel 66, 505-511 (1987).

118. Tam, Y.K.*; Yau, M.; Berzins, R.; Montgomery, P.R.; Gray, M.R. "Mechanisms of lidocaine kinetics in the isolated perfused rat liver: I. Effects of continuous infusion". Drug Metabolism and Disposition 15, 12-16 (1987).

119. Saville, B.A.; Gray, M.R.*; Tam, Y.K. "Mechanisms of lidocaine kinetics in the isolated perfused rat liver: II. Mathematical model for steady-state elimination". Drug Metabolism and Disposition 15, 17-21 (1987).

120. Gray, M.R.*; Saville, B.A.; Tam, Y.K. "Mechanisms of lidocaine kinetics in the isolated perfused rat liver: III. Evaluation of liver models for time-dependent behavior". Drug Metabolism and Disposition 15, 22-26 (1987).

121. Saville, B.A.; Gray, M.R.*; Tam, Y.K. "The metabolism of lidocaine in the liver: Steady-state and dynamic modelling". Can. J. Chem. Eng. 64, 617-624 (1986).

122. Gray, M.R.*; Corcoran, W.H.; Gavalas, G.R. "Pyrolysis of a wood derived material: The effects of moisture and ash content". Industrial and Engineering Chemistry, Process Design and Development 24, 646-651 (1985).

123. Allen, D.T.*; Gray, M.R.; Le, T.T. "Structural characterization and thermodynamic property estimation for wood tars: A functional group approach". Liquid Fuels Technology 2, 327-353 (1984).
     

Patents

1. Lu, G.Z.; Gray, M.R.; Thompson, B.G. "Cell Culture Bioreactor", U.S. Patent 5,443,985 issued August 22, 1995. 

Books

1. Gray, M.R. Upgrading Petroleum Residues and Heavy Oils, Marcel Dekker, New York, April 1994, 348 pp.

Refereed Review Papers and Chapters in Books

1.Gray, M.R.* "Fundamentals of Bitumen Coking Processes Analogous to Granulation: A Critical Review", Canadian Journal of Chemical Engineering, accepted for publication, January 2002.

2. Gray, M.R. "Through a glass, darkly: Kinetics and reactors for complex mixtures", Canadian Journal of Chemical Engineering 75, 481-493 (1997).

3. Masliyah, J.H.*; Jauhari, R.; Gray, M.R. "Rise velocities of air bubbles along an inclined surface". pp. 581-602 in Mixed Flow Hydrodynamics, N.P. Cheremisinoff (Ed.), Gulf Publishing, Houston, 1996. .

4. Saville, B.A.; Gray, M.R.; Tam, Y.K. "Models of hepatic drug metabolism". Drug Metabolism Reviews 24, 49-88 (1992).

5. Namdev, P.K.; Gray, M.R.; Westlake, D.W.S. "Kinetic model of antibiotic production by Streptomyces clavuligerus". pp. 115-148, in Modeling the Metabolic and Physiological Activities of Microorganisms, C. Hurst (Ed.), Wiley, New York, 1992.

6. Gray, M.R. "Composition and hydrotreating of bitumen and heavy-oil derived distillates". AOSTRA J. Research 6, 185-197 (1990).

7. Foght, J.M.; Fedorak, P.M.; Gray, M.R.; Westlake, D.W.S. Microbial Desulfurization of Petroleum. In: Microbial Mineral Recovery, H.L. Ehrlich and C.L. Brierly (eds), McGraw-Hill, New York, 379-407 (1990).

8. Gray, M.R. "Substrate inactivation of enzymes in vitro and in vivo". Biotechnology Advances, 7, 527-575 (1989).

9. Khorasheh, F.; Gray, M.R.; Selucky, M.L. "A review of methods for prediction of Kovats retention index for hydrocarbons." J. Microcolumn Separations, 1, 174-181 (1989).