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Classes Taught

• EGRC 409 Chemical Process Control
• EGRC 301 Fluid Dynamics and Heat Transfer
• ENGR 305 Sensors and Measurements

Current Projects

• Development of chemical and biological miniature sensors
• Supercritical fluid technology to produce nanoscale particles
• Rapid expansion of supercritical solutions (RESS) to produce polymer films, coatings and nanoscale precipitates for chemical sensing applications
• Rapid expansion of supercritical solutions (RESS) to produce nano-composite materials for drug delivery applications
• Advanced filters (membranes and/or sieves) based on molecularly imprinted polymers for the selective separation of gases

Education

• B.S. Chemical Engineering, Bogazici University , Istanbul , Turkey , 1993
• M.S. Chemical Engineering, Bogazici University , Istanbul , Turkey , 1995
• Ph.D. Chemical Engineering, Texas A&M University , College Station , TX , 2001

Recent Pblications

• Sunol, S.G., Keskin, O., Guney, O., Sunol, A. K., "Supercritical Fluid Aided Preparation of Aerogels and their Characterization", Proc. of the 3 rd International Symposium on Supercritical Fluids, Tome 3, Reactions, Material Science, Chromatography and Analytical SFE, I.N.P.L. A.R., pp. 387-392, Strasbourg, France, Oct. 17-19, 1994.
• Sunol, S.G., Sunol, A. K., Keskin, O., Guney, O., "Supercritical Fluid Aided Preparation of Aerogels and their Characterization", ACS Symposium Series 608: Innovations in Supercritical Fluids Science and Technology, Ch. 17, K. W. Hutchenson and N. R. Foster (editors), pp. 258-268, Washington, DC, 1995.
• Guney, O., Akgerman, A., "Synthesis of Controlled Release Drug Vehicles in Supercritical Medium", Proceedings of the 5 th Int. Symposium on Supercritical Fluids, Atlanta , GA , 2000.
• Guney, O., Akgerman, A., "Synthesis of Controlled Release Drugs by Supercritical Medium", Proceedings of the 7 th Meeting of The Int. Society for the Advancement of Supercritical Fluids, Antibes , France , December 6-8, 2000 .
• Guney, O., Akgerman, A., "Solubilities of 5-Fluorouracil and b -Estradiol in Supercritical Carbon Dioxide", J. Chem. & Eng. Data, v. 45, p. 1049, 2000.
• Guney, O., Akgerman, A., "Synthesis of Controlled Release Drug Vehicles in a Supercritical Medium", Proceedings of the 7 th Conference on Food Engineering, pp. 225-230, Reno , NV , 2001.
• Guney, O., Akgerman, A., "Synthesis of Controlled-Release Products in Supercritical Medium", AIChE Journal, v. 48, No. 4, 2002.
• Guney-Altay, O., Levit, N., Pestov, D., Tepper, G., “Development of Encapsulated Microspheres from a Multiple-Component, Rapidly Expanding Supercritical Solution for Sensing Applications”, Proceedings of the 6 th International Symposium on Supercritical Fluids, Versailles , France , April 28-30, 2003 .
• Levit, N., Pestov, D., Guney-Altay, O., Tepper, G., “Glassy Polymer Coatings for Acoustic-Wave Sensors” Proceedings of the 4th Acoustical Wave Sensor Workshop (AWSW-4), Salbris , France April 23-26, 2003 .
• Levit, N., Pestov, D., Guney-Altay, O., Tepper, G., “Application of Rapid Expansion of Supercritical Solutions for the Development of Microfabricated Sensors”, Proceedings of the 6 th International Symposium on Supercritical Fluids, Versailles , France , April 28-30, 2003 .
• Kermis, T.W., Li, D., Guney-Altay, O., Park, I-H., van Zanten, J.H., McHugh, M.A., "High-pressure dynamic light scattering of poly(ethylene-co-1-butene) in ethane, propane, butane, and pentane at 130 oC and kilobar pressures", accepted for publication in Macromolecules.

Research Topics

• Preparation of aerogel catalysts using supercritical extraction, investigation of parameters that affect the extraction efficiency, and comparison of physical and chemical properties of aerogels with that of xerogels
• Simultaneous chelation and supercritical extraction for remediation of heavy metals from aqueous solutions
• Solubility of pharmaceutical drugs in supercritical fluids and modeling of supercritical solubility
• Impregnation of pharmaceutical drugs on biodegradable polymer matrices using supercritical fluids, determination of adsorption isotherms, and modeling of the adsorption/desorption process
• Dynamic light scattering (DLS) and small angle neutron scattering (SANS) to investigate the response of a polymer coil to a supercritical fluid environment
• Preparation of nano-structured materials and nano-composite polymeric particles using supercritical fluid technology
• Advanced polymer coatings for the preparation of gas separation membranes and miniature sensors