Juliana Ramsay

Juliana A. Ramsay


Tel: (613) 533-2770
Fax: (613) 533-6637
Office: Dupuis Hall 425



Journal Publications

Sun Z, Ramsay J, Guay M, Ramsay B, "Increasing the yield of MCL-PHA from nonanoic acid by co-feeding glucose during the PHA accumulation stage in two-stage fed-batch fermentations of Pseudomonas putida KT2440," J Biotechnol Available online, 2007.  (Accepted)

Sun Z, Ramsay J, Guay M, Ramsay B, "Fermentation process development for the production of medium-chain-length poly-3-hydroxyalkanoates," Appl Microbiol Biotechnol 75, 475-485, 2007 [More information].

Thiruchelvam AT, Ramsay JA, "Growth and laccase production kinetics of Trametes versicolor in a stirred tank reactor," Appl Microbiol Biotechnol 74, 547-554, 2007 [More information].

Sun Z, Ramsay JA, Guay M, Ramsay BA, "Carbon-limited fed-batch production of medium-chain-length polyhydroxyalkanoates from nonanoic acid by Pseudomonas putida KT2440," Appl Microbiol Biotechnol 74, 69-77, 2007 [More information].

Yu Y, Ramsay JA, Ramsay BA, "On-line estimation of dissolved methane concentration," Biotechnol Bioeng 95, 788-793, 2006 [More information].

Jiang X, Ramsay JA, Ramsay BA, "Acetone extraction of mcl-PHA from Pseudomonas putida KT2440," J Methods Microbiol 67, 212-219, 2006 [More information].

Ramsay J, Shin M, Wong S, Goode C, "Amaranth decoloration by Trametes versicolor in a rotating biological contacting reactor," J Ind Microbiol Biotechnol 33, 791-795, 2006 [More information].

Sun Z, Ramsay J, Guay M, Ramsay B, "Automated feeding strategies for high cell density fed-batch cultivation of Pseudomonas putida KT2440," Appl Microbiol Biotechnol. 36, 423-431, 2006 [More information].

Champagne P-P, Ramsay JA, "Contribution of MnP and laccase to dye decoloration by Trametes versicolor," Appl Microbiol Biotechnol 69, 276-285, 2005 [More information].

Ramsay JA, Robertson K, vanLoon G, Acay N, Ramsay BA., "Enhancement of PAH biomineralization rates under Fe(III)-reducing conditions," Chemosphere 61, 733-740, 2005 [More information].

Ramsay JA, Mok, WHW, Luu Y-S, Savage M., "Decoloration of textile dyes by alginate immobilized Trametes versicolor," Chemosphere 61, 956-964, 2005 [More information].

Amankwah RK, Yen W-T, Ramsay JA., "A two-stage bacterial pretreatment process for double refractory gold ores," Minerals Eng. 18, 103-108, 2005 [More information].

Ramsay JA, Goode C., "Decoloration of a carpet dye effluent using Trametes versicolor," Biotechnol. Lett. 23, 197-201, 2003 [More information].

Luu Y, Ramsay BA, Ramsay JA., "Nitrilotriacetate stimulation of anaerobic Fe(III) respiration by mobilization of humic materials in soil," Appl. Environ. Microbiol. 69, 5255-5262, 2003 [More information].

Ramsay JA, Li H, Brown RS, Ramsay BA., "Naphthalene and anthracene mineralization linked to oxygen, nitrate, Fe(III) and sulphate reduction in a mixed microbial population," Biodegradation 14, 321-329, 2003 [More information].

Luu Y, Ramsay JA., "Microbial mechanisms of accessing insoluble Fe(III)," World J. Microbiol. Biotechnol. 19, 215-224, 2003 [More information].

Ramsay JA, Nguyen T., "Decoloration of textile dyes by Trametes versicolor and its effect on dye toxicity," Biotechnol. Lett. 24, 1757-1761, 2002 [More information].

Shin M, Nguyen T, Ramsay J., "Evaluation of support materials for the surface immobilization and decoloration of amaranth by Trametes versicolor," Appl. Microbiol. Biotechnol. 60, 218-223, 2002 [More information].

Swamy J, Ramsay, JA., "Effects of glucose and nitrogen concentrations on sequential dye decoloration by Trametes versicolor," Enzyme Microb. Technol 25, 278-284, 1999 [More information].

Beaudin N, Caron RF, Legros R, Ramsay J, Ramsay B., "Identification of the key factors affecting composting of a weathered hydrocarbon-contaminated soil," Biodegradation 10, 127-133, 1999 [More information].

Swamy J, Ramsay JA., "Effects of Mn2+ and NH4+ concentrations on laccase and manganese peroxidase production and Amaranth decoloration by Trametes versicolor," Appl. Microbiol. Biotechnol. 51, 391-396, 1999 [More information].

Swamy J, Ramsay JA., "The evaluation of white rot fungi for the decoloration of textile dyes," Enzyme Microb. Technol 24, 130-137, 1999 [More information].

Ramsay JA, Aly Hassan M-C, Ramsay BA., "Conversion of hemicellulose to propionic acid," Enzyme Microb. Technol. 22, 292-295, 1998 [More information].

Ramsay J, Rhazi B, Garnier A, Saphieha S, Chavarie C, Ramsay B., "Attachment of Vero cells to corona-treated, plastic surfaces," J. Ferment. Bioeng. 83, 173-178, 1997 [More information].

St. Pierre N, Favis BD, Ramsay BA, Ramsay JA, Verhoogt H., "Processing and characterisation of starch/polyethylene blends," Polymer 38, 647-656, 1997 [More information].

Escot A, Chavarie C, Mayer R, Ramsay J., "A method for the evaluation of microbial growth in a trickling bed reactor," Can. J. Chem. Eng. 74, 547-550, 1996.

Verhoogt H, Ramsay BA, Favis BD, Ramsay JA., "The influence of thermal history on the properties of poly(3-hydroxybutyrate-co-12%-3-hydroxyvalerate)," J. Appl. Polym. Sci. 61, 87-96, 1996 [More information].

Beaudin N, Caron RF, Legros R, Ramsay J, Lawlor L, Ramsay B., "Co-composting of hydrocarbon-contaminated soil in a laboratory-scale reactor," Compost Science Utilization 4, 37-45, 1996.

Cornet I, Dochain D, Ramsay B, Ramsay J, Perrier M., "Application of an adaptive linearizing, inferential controller to a PHB process.," Biotechnol. Equip. Bioprocess 9, 1, 96-102, 1995.

Ramsay JA, Aly Hasssan M-C, Ramsay BA., "Hemicellulose as a potential substrate for production of PHA," Can. J. Microbiol. 41, suppl.1, 262-266, 1995.

Belfares B, Perrier M, Chavarie C, Jolicoeur M, Ramsay J, Ramsay B., "Multi-inhibition kinetic model for the growth of Alcaligenes eutrophus," Can. J. Microbiol. 41, suppl.1, 249-256, 1995.

Verhoogt H, St-Pierre N, Truchon FS, Ramsay BA, Favis BD, Ramsay JA., "Blends containing P(HB-co-12%-HV) and thermoplastic starch," Can. J. Microbiol. 41, suppl.1, 323-328, 1995.

Marchessault RH, Monasterios CJ, Jesudason JJ, Ramsay B, Saracovan I, Ramsay J, Saito T., "Chemical, enzymatic and microbial degradation of bacterial and synthetic poly-B-hydroxyalkanoates," J. Polym. Degrad. Stability 45, 187-196, 1994 [More information].

Ramsay BA, Saracovan I, Ramsay JA, Marchessault RH., "A method for the isolation of microorganisms producing long-side-chain poly(B-hydroxyalkanoate) depolymerase," J. Environ. Polym. Degrad. 2, 1-7, 1994.

Ramsay JA, Berger E, Voyer R, Chavarie C, Ramsay BA., "Extraction of poly-3-hydroxybutyrate with chlorinated solvents," Biotechnol. Techniques 8, 589-594, 1994.

Ramsay B, Langlade V, Carreau P, Ramsay J., "Biodegradability and mechanical properties of poly-(B-hydroxybutyrate-co-B-hydroxyvalerate)-starch blends," Appl. Environ. Microbiol. 59, 1242-1246, 1993.

Ramsay BA, Saracovan I, Ramsay JA, Marchessault RH., "The effect of nitrogen limitation on long-side-chain poly-B-hydroxyalkanoate synthesis by Pseudomonas resinovorans," Appl. Environ. Microbiol. 58, 744-746, 1992.

Ramsay BA, Bertrand J-L, Chavarie C, Ramsay J., "Fermentation of waste agri-cultural material for conversion into biodegradable plastic," Chem. Sustainable Develop. 1, 253-258, 1992.

Ramsay J., Ramsay BA, Wang D, Chavarie C, Rouleau D., "Penicillin production in an inverse fluidized bed bioreactor," J. Ferment. Bioeng. 72, 495-497, 1991 [More information].

Ramsay, B.A., Saracovan, I., Ramsay, J.A. and Marchessault, R.H., "Continuous production of poly-B-hydroxyalkanoates with long-side-chains by Pseudomonas oleovorans," Appl. Environ. Microbiol. 57, 625-629, 1991.

Bertrand, J.L., Ramsay, B.A., Ramsay, J.A. and Chavarie, C., "Biosynthesis of poly-B-hydroxyalkanotes from pentoses by Pseudomonas pseudoflava.," Appl. Environ. Microbiol. 56, 3133-3138, 1990.

Ramsay, J.A., Berger, E., Ramsay, B.A. and Chavarie, C., "Recovery of poly-3-hydroxyalkanoic acid granules by a surfactant/hypochlorite treatment," Biotechnol. Techniques 4, 221-226, 1990.

Ramsay, B.A., Ramsay, J.A., Lomaliza, K., Chavarie, C. and Bataille, P., "Production of poly-(beta-hydroxybutyric-co-beta-hydroxyvaleric) acid copolymers," Appl. Environ. Microbiol. 56, 2093-2098, 1990.

Berger, E., Ramsay, B.A., Ramsay, J.A., Chavarie, C. and Braunegg, G., "PHB recovery by hypochlorite digestion of non-PHB biomass," Biotechnol. Techniques 3, 227-232, 1989.

Ramsay, B.A., Ramsay, J.A., de Tremblay, M. Chavarie, C., "A method for the quantification of bacterial protein in the presence of jarosite," Geomicrobiol. J. 6, 171-177, 1989.

Ramsay, J.A., Cooper, D.G. and Neufeld, R.J., "Oil reservoir conditions on the production of water-insoluble levan by Bacillus licheniformis," Geomicrobiol. J. 7, 155-165, 1989.

Ramsay, B.A., Ramsay, J.A. and Cooper, D.G., "Production of poly-beta-hydroxyalkanoic acid using Pseudomonas cepacia.," Appl. Environ. Microbiol. 55, 584-589, 1989.

Cooper, D.G., Akit, J. and Kosaric, N., "Surface activity of the cells and extracellular lipids of Corynebacterium fascians cf 15.," Jap. J. Ferment. Technol. 60, 19-24, 1982.

Akit, J., Cooper, D.G., Manninen, K.I. and Zajic, J.E., "Investigation of potential biosurfactant production among phytopathogenic bacteria and related soil microbes," Current Microbiol. 6, 145-150, 1981.

Gerson, D.F. and Akit, J., "Cell surface energy, contact angles, and phase partition. II. Bacterial cells in biphasic aqueous mixtures," Biochim. Biophys. Acta. 602, 281-284, 1980.

Other Refeered Contributions

Ramsay, J.A. and Ramsay, B.A., "Poly(3-hydroxyalkanoates)," In: Encyclopedia of Polymer Science and Technology, ed. J. Kroschwitz, John Wiley & Sons, Inc. Oct., 2001.

Ramsay, B., Karamanev, D., Pierre, S., Lafontaine, C., Sakamoto,T. and Ramsay, J., "Efficient TCE Mineralization in a Novel Methanotrophic Bioreactor System," In: Situ Aeration and Aerobic Remediation, eds. Leeson, A., Johnson, P., Hinchee, R. E., Semprini, L. and Magar, V. S., Battelle Press. 6(10):171-178, 2001.

Ramsay, J., Robertson, K. Meylan, S.Brown, S Luu, Y.-S. Lee, P. and Ramsay, B., "Naphthalene and Phenanthrene Mineralization Coupled to Fe(III) Reduction and Mechanisms of Accessing Insoluble Fe(III)," In: Natural Attenuation of Environmental Contaminants, eds. Leeson, A., Kelley, M. E., Rifai, H., and Magar, V. S., Battelle Press, 6(2):121-128, 2001.

Billowits, M.E., Whyte, L.G., Ramsay, J.A., Greer, C. and Nahir, M., "An evaluation of the bioremediation potential of near surface groundwater contaminated with petroleum hydrocarbons in the Yukon," In: Assessment and Remediation of Contaminated Sites in Arctic and Cold Climates, Edmonton, Alberta, Canada, May 3‑4, 1999.

Ramsay, J.A. and Ramsay, B.A., "Polyhydroxyalkanoates", In: Encyclopedia of Bioprocess Technology: Fermentation, Biocatalysis and Bioseparation, eds. M.C. Flickinger and S.W. Drew, John Wiley & Sons, Inc., pp. 2041-2048, 1999.

Panneton, C., Ramsay, J., Bertrand, J.-L., Mayer, R. and Chavarie, C., "Degradation of PCP by a PCP-adapted microbial consortium," In: Microbial Processes for Bioremediation, eds. R.E. Hinchee, C.M. Vogel, and F.J. Brockman, Battelle Press, Columbus, Ohio. , 1995.