Dr. Ozge Guney-Altay

Research Associate and Instructor,
Department of Mechanical Engineering
E-mail: oguneya@vcu.edu
Phone: (804) 827-7000, ext. 412
Fax: (804) 828-3846

Address

601 West Main Street , Room 416
P.O. Box 843028
Richmond , Virginia 23284-3028

Education

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

Research topics

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

Current projects

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

Classes taught

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

Recent publications

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.
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 .
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 .
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 .
Guney, O., Akgerman, A., "Synthesis of Controlled-Release Products in Supercritical Medium", AIChE Journal, v. 48, No. 4, 2002.
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., "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 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., "Synthesis of Controlled Release Drug Vehicles in Supercritical Medium", Proceedings of the 5 th Int. Symposium on Supercritical Fluids, Atlanta , GA , 2000.
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.
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.