Biotechnology

Biographical Details:

Greg Foley is a Chemical Engineer with BE and PhD degrees from University College Dublin. He has an MS degree from Cornell University and has taught in DCU since 1986. He was a Newman Scholar in UCD from 1989 to 1992. He writes on all matters educational at http://educationandstuff.wordpress.com/

Research Interests:

Mathematical modelling of membrane processes Development of novel computational approaches to chemical process design and analysis.

Selected Peer Reviewed Journals

• G. Foley, R. Paulen, M. Fikar, Z. Kovács, P. Czermak. 2012. Comments on Diafiltration under condition of quasi-constant membrane surface concentration by R. Field [J. Mem. Sci. 383 (1-2), 2011, 301-302.]. Journal Of Membrane Science, 390-391,, pp285-285.
• R. Paulen, M. Fikar, G. Foley, Z. Kovacs and P. Czermak. 2012. Optimal feed strategy of diafiltration buffer in batch membrane processes. Journal Of Membrane Science, 411,, pp160-172.
• Foley, G. 2011. Three classic ultrafiltration problems solved with the Exponential Integral. Education For Chemical Engineers, 6, , ppe90-e96.
• Foley, G. 2011. Evaluation of variable volume diafiltration using the logarithmic lntegral. Desalination And Water Treatment, 25, , pp286-290.
• Paulen,R., Foley, G., Fikar, M., Kovacs, Z. and P. Czermak. 2011. Minimizing the process time for ultrafiltration/diafiltration under gel polarization conditions. Journal Of Membrane Science, 380, , pp148-154.
• Foley G. 2011. Solution of non-linear algebraic equations in the analysis, design and optimisation of continuous ultrafiltration. Chemical Engineering Education, 45 (1), , pp59-64.
• NiMhurchu,J.,Havel, J. and Foley, G. 2010. Modelling process dynamics using a novel neural network architecture: application to stirred cell microfiltration. Chemical Engineering Communications, 197, 8, pp1151-1162.
• McGuire,I., Coyle, K. and Foley, G. 2009. Specific cake resistance of yeast suspensions measured by dynamic and steady state methods. Journal Of Membrane Science, 344, 1-2, pp14-16.
• Foley G. 2006. Water usage in variable volume diafiltration: comparison with ultrafiltration and constant volume diafiltration. Desalination, 196, , pp160-163.
• Foley, G. 2006. A review of factors affecting filter cake properties in dead-end microfiltration of microbial suspensions. Journal Of Membrane Science, 274, , pp38-46.
• Foley, G. 2006. Ultrafiltration with variable volume diafiltration: a novel approach to water saving in diafiltration processes. Desalination, 196, , pp221-222.
• Foley, G. 2006. Dimensional analysis of crossflow microfiltration data. Separation Science And Technology, 41, , pp3169-3185.
• Ni Mhurchu, J., Foley, G. 2006. Dead-end filtration of yeast suspensions: Correlating specific resistance and flux data using artificial neural networks. Journal Of Membrane Science, 281, , pp325-333.
• Foley, G., McCarthy, A.A., Walsh, P.K. 2005. Evidence for shape-dependent deposition in crossflow microfiltration of microbial cells. Journal Of Membrane Science, 250, , pp311-313.
• McCarthy AA Walsh PK Foley g. 2002. Characterising the packing and dead-end filter cake compressibility of the polymorphic yeast Kluyveromyces marxianus var. marxianus NRRLy2415. Journal Of Membrane Science, 198, , pp87-94.
• McCarthy AA, Walsh PK, Foley G. 2002. Experimental techniques for quantifying the cake mass, the cake and membrane resistances and the specific cake resistance during crossflow microfiltration of microbial suspensions. Journal Of Membrane Science, 201,, pp31-45.
• Foley G and Garcia J. 2000. Ultrafiltration flux theory based on viscosity and osmotic effects: application to diafiltration optimisation. Journal Of Membrane Science, 176, , pp55-61.
• Foley G. 1999. Minimisation of process time in ultrafiltration and continuous diafiltration: the effect of incomplete macrosolute rejection. Journal Of Membrane Science, 163, , pp349-355.
• McCarthy AA Gilboy P Walsh PK Foley G. 1999. Characterisation of cake compressibility in dead-end microfiltration of microbial suspensions. Chemical Engineering Communications, 173,, pp79-90.
• McCarthy A Conroy H Walsh PK Foley G. 1998. The effect of pressure on the specific resistance of yeast filter cakes during dead-end filtration in the range 30-500kPa. Biotechnology Techniques, 12, , pp909-912.
• McCarthy AA O'Shea DG Murray NT Walsh PK Foley G. 1998. Effect of cell morphology on dead-end filtration of the dimorphic yeast Kluyveromyces marxianus var. marxianus NRRLy2415. Biotechnology Progress, 14, , pp279-285.
• A.A. McCarthy, P.K. Walsh and G. Foley. 1996. On the relation between filtrate flux and particle concentration in batch crossflow microfiltration. Separation Science And Technology, 31, 11, pp1615-1627.
• G. Foley, D.M. Malone and P.F. MacLoughlin. 1995. Modelling the effects of particle polydispersity in crossflow filtration. Journal Of Membrane Science, 99, , pp77-88.
• G. Foley, P.F. MacLoughlin and D.M. Malone. 1995. Membrane fouling during constant flux crossflow microfiltration of dilute suspensions of active dry yeast. Separation Science And Technology, 30, 3, pp383-398.
• G. Foley. 1994. Membrane fouling in crossflow microfiltration: implications for measurement of the steady state specific cake resistance. Biotechnology Techniques, 8, , pp743-746.
• G.Foley, P.F. MacLoughlin and D.M. Malone. 1992. Preferential deposition of smaller cells during crossflow microfiltration of a yeast suspension. Biotechnology Techniques, 6, , pp115-120.
• C. Flynn, P. Geoffroy and G. Foley. 1990. A novel technique for the study of cake formation during crossflow microfiltration of microbial cells. Biotechnology Techniques, 4, , pp211-214.
• G. Foley and C. Cohen. 1987. Concentration fluctuations in polymer-polymer-solvent systems. Macromolecules, 20, , pp1891-1896.
• G. Foley and C. Cohen. 1987. Diffusion in polymer-polymer systems. Journal Of Polymer Science Part A-polymer Chemistry, 25, , pp2027-2032.

Selected Books

• Dr. Greg Foley.
• Greg Foley. Membrane Filtration - A Problem Solving Approach with MATLAB, Cambridge University Press, 2013.

• R. Paulen, M. Fikar, G. Foley, Z. Kovacs, P. Czermak, Time-optimal diafiltration under gel polarization conditions, ICOM2011, 23-JUL-11 - 29-JUL-11, Amsterdam, 379 - 380
• J. Lawler and G. Foley, Incorporating Research Problems into Undergraduate Engineering Laboratories, NAIRTL/LIN Annual Conference, 06-OCT-10 - 07-OCT-10, RCSI, Dublin, Ireland.
• L.Fitzsimons, B. Corcoran, P.Young and G. Foley, A comparison of prevalent desalination exergy models, HEFAT 2010, 19-JUL-10 - 21-JUL-10, Antalya, Turkey
• L.Fitzsimons, B. Corcoran, P.Young and G. Foley, Desalination exergy models: mathematical model comparison, IEESE-5, 27-JUN-10 - 30-JUN-10, Denizli, Turkey
• G. Foley, Teaching mathematical modelling: a research based approach., Edtech 2009, 21-MAY-09 - 23-MAY-09, National College of Ireland
• B. Freeland, S. Naher, G. Foley and D. Brabazon, Development of a heat transfer and artificial neural networks teaching laboratory practical for Biotechnology students., In: Brabazon, D. and Ghani Olabi, A ed.Proceedings of the 2nd International Symposium for Engineering Education, 09-SEP-08 - 10-SEP-08, DCU, 95 - 100
• G. Foley., Using peer review to enhance the quality of engineering laboratory reports., In: Brabazon, D. and Ghani Olabi, A. ed.Proceedings of the 2nd International Symposium for Engineering Education, 09-SEP-08 - 10-SEP-08, DCU, 89 - 93
• G. Foley, Crossflow microfiltration in biotechnology., Membrane Separations in Ireland, 19-SEP-07 - 19-SEP-07, Cork Institute of technology
• B. Freeland, J.M. Tobin and G. Foley, A biotechnology student project and competition to design and build a simple heat exchanger., International Symposium for Engineering Education, 17-SEP-07 - 19-SEP-07, Dublin City University
• J. Ni Mhurchu, J. Havel and G. Foley, Modelling and Prediction of Flux Decline in Stirred Microfiltration of non-Newtonian Bentonite Suspensions., Permea 2007, 09-SEP-07 - 02-SEP-07, Budapest
• Foley, G., Ultrafiltration with variable volume diafiltration: a novel approach to water saving in diafiltration processes, Euromembrane 2006, 23-SEP-06 - 28-SEP-06, Sicily, Italy
• McCarthy AA, Walsh PK, Foley G, Experimental investigations of cake compression during dead-end microfiltration of K. marxianus., Euromembrane 99, 19-SEP-99 - 22-SEP-99, Louvain, Belgium
• McCarthy AA, Walsh PK, Foley G, The effect of medium composition and cell morphology on crossflow filtration of K. marxianus., ESBES 2, 16-SEP-98 - 19-SEP-98, Porto, Portugal
• McCarthy AA, Foley G, Walsh PK, Investigation of the relation between cell morphology and the filtration characteristics of K. marxianus., ESBES 1, 19-SEP-96 - 22-SEP-96, Dublin City University
• McCarthy AA and Foley G, Modelling the relationship between filtrate flux and particle concentration during suspension thickening by crossflow microfiltration., Filtration Society Suttle Awards, 10-APR-95 - 10-APR-95, Loughborough, UK
• Foley G, Malone DM, MacLoughlin PF, Size-dependent cell deposition dueing crossflow microfiltration of yeast suspensions., 4th IChemE Research Event, 20-SEP-94 - 24-SEP-94, University College London
• Foley G, Fallon O, Tobim JM, Factors affecting the rise in transmembrane pressure during constant flux membrane filtration of microbial suspensions, 4th IChemE Research Event, 20-SEP-94 - 24-SEP-94, University College London