|
ZEYNEP ILSEN ÖNSAN Professor of Chemical
Engineering, Boğaziçi University CONTACT DETAILS
|
Last Update: November 13, 2012
EDUCATION:
1972 |
Ph.D. and D.I.C. (Postgraduate Diploma) in Chemical Engineering, Imperial College of Science and Technology, University of London, UK |
1968 |
B.Sc. in Chemical Engineering, Robert College (Boğaziçi University as of 1971) Istanbul, Turkey |
RESEARCH
INTERESTS
Chemical and
catalytic reaction/reactor analysis
Heterogeneous
catalyst design and development
Clean
hydrogen production and gas-to-liquid technologies
Fermentation
with recombinant cell cultures
PROFESSIONAL
EXPERIENCE:
Academic
Positions
Assistant Professor |
1972-1980 |
Boğaziçi University, Dept. of Chemical Engineering |
Associate Professor |
1980-1988 |
Boğaziçi University, Dept. of Chemical Engineering |
Professor |
1988-present |
Boğaziçi University, Dept. of Chemical Engineering |
Administrative Positions
Dean |
1988-1994 |
Boğaziçi University, Faculty of Engineering |
Chair |
1992-2000 |
Boğaziçi University, Dept. of Chemical Engineering |
Deputy Rector |
2000-2004 |
Boğaziçi University (Deputy for Research) |
Industrial
Activities
Project
evaluation and/or follow-up for
* TÜBITAK (Scientific and Technological Research Council of
Turkey) - Directorate for Technology and Innovation Funding (Business/Industry)
* Ministry of Industry and Commerce (Industry/Academia
Collaboration Funding)
In areas related to * chemical & energy technologies and
* industrial
biotechnology
LECTURES:
Undergraduate
ChE 200 |
Process Flow Sheets and Principles |
ChE 211 |
Chemical Engineering Calculations |
ChE 302 |
Chemical Engineering Laboratory I |
ChE 334 |
Mass Transfer Operations |
ChE 342 |
Chemical Reaction Kinetics and Chemical Reactor Design |
ChE 401 |
Chemical Engineering Laboratory II |
ChE 415 |
High Polymers-Synthesis |
ChE 427 |
Bioreaction Engineering |
ChE 441 |
Hydrogen Technologies |
ChE 492 |
Project |
Graduate
ChE 541 |
Heterogeneous Reaction Kinetics |
ChE 594 |
Advanced Biochemical Engineering |
ChE 636 |
Selected Topics in Mass Transfer-I: Bioprocess Systems |
ChE 642 |
Multiphase Reactor Analysis and Design |
ChE 691 |
Advanced Topics: Current Topics in Catalyst Research |
ChE 695 |
Advanced Topics: Multiphase Reactors |
ChE 697 |
Advanced Topics: Sustainable Energy Systems |
FET 541 |
Fuel Processing Technologies |
FET 542 |
Catalysis in Fuel Technology |
PhD THESES SUPERVISED: 9
M.S. THESES SUPERVISED: 69
INTERNATIONAL MEETINGS
ATTENDED: 45
CONFERENCE PRESENTATIONS: 76 (international); 37
(national)
PUBLICATIONS:
A. BOOK CHAPTER
Z. I. Önsan and A. K. Avci,
"Chapter 14. Reactor Design for Fuel Processing" in D. Shekawat, J.
J. Spivey and D. A. Berry (Eds), Fuel Cells: Technologies for Fuel Processing,
1st ed, Elsevier Science, 2011, pp 451-516.
B. Papers in SCI-SCIE
Journals
Catalyst Technology and
Reaction Engineering
E. Şimşek, M. Karakaya, A. K. Avcı, Z. I.
Önsan, Oxidative
steam reforming of methane to synthesis gas in microchannel reactors",
International Journal of Hydrogen Energy,
(2012) accepted for publication.
A. Leba, T. Davran-Candan, Z. I. Önsan, R. Yıldırım , DRIFTS
study for selective CO oxidation over promoted Au/γ-Al2O3
catalysts, Catalysis Communications,
26 (2012) 6-10.
F. Gökaliler, Z. I. Önsan, A. E. Aksoylu, Power-law
type rate equation for propane ATR over Pt-Ni/Al2O3
catalyst, International Journal of Hydrogen Energy, 37(13) (2012) 10425-10429.
M. E. Günay, F. Akpinar,
Z. I. Önsan, R. Yildirim, "Investigation
of water-gas shift activity of Pt-MOx-CeO2/Al2O3
(M=K, Ni, Co) using modular artificial neural networks", International Journal of Hydrogen Energy,
37 (3) (2012) 2094-2102.
S. Özdemir, Z. I.
Önsan, R. Yildirim, "Selective CO
oxidation over monolithic Au-MgO/Al2O3
catalysts", Journal of Chemical Technology & Biotechnology,
87 (2012) 58-64.
E. Simsek, A. K. Avci, Z.
I. Önsan, "Investigation
of catalyst performance and microstructured reactor configuration for syngas
production by methane steam reforming", Catalysis Today, 178
(2011) 157-163.
B. Gülyüz, S.
Özkara-Aydinoglu, A. E. Aksoylu, Z. I. Önsan, Kinetics
of CO oxidation over Pt-CeOx supported
on air-oxidized activated carbon, Turkish Journal of Chemistry,
33(5) (2009) 589-598.
M. Karakaya, A. K. Avci, A. E. Aksoylu, Z. I. Önsan, Steady-state
and dynamic modeling of indirect partial oxidation of methane in a wall-coated
microchannel, Catalysis Today, 139 (2009) 312-321.
Ö.
Tan, E. Masalaci, Z. I. Önsan, A. K. Avci, "Design
of a methane processing system producing high purity hydrogen", International
Journal of Hydrogen Energy, 33 (2008) 5516-5526.
F.
Soyal-Baltacioglu, A. E. Aksoylu, Z. I. Önsan, "Steam
reforming of ethanol over Pt-Ni catalysts", Catalysis Today,
138 (2008) 183-186.
F.
Gökaliler, B. S. Çaglayan, Z. I. Önsan, A. E. Aksoylu, "Hydrogen
production by autothermal reforming of LPG for PEM fuel cell applications",
International Journal of Hydrogen Energy, 33 (2008) 1383-1391.
E.
Örücü, F. Gökaliler, A. E. Aksoylu, Z. I. Önsan, "Ethanol
steam reforming for hydrogen production over bimetallic Pt-Ni/Al2O3",
Catalysis Letters, 120(1-2) (2008) 198-203.
E.
Simsek, S. Özkara, A. E. Aksoylu, Z. I. Önsan, "Preferential
CO oxidation over activated carbon supported catalysts in H2-rich
streams containing CO2 and H2O", Applied
Catalysis A: General, 316 (2007) 169-174.
F.
Soyal-Baltacioglu, B. Gülyüz, A. E. Aksoylu, Z. I. Önsan, "Low
temperature CO oxidation kinetics over activated carbon supported Pt-SnOx
catalysts", Turkish Journal of Chemistry, 31(5) (2007) 455-464.
Z. I. Önsan, "Catalytic
processes for clean hydrogen production from hydrocarbons", Turkish
Journal of Chemistry, 31 (2007) 531-550.
G.
Uysal, A. N. Akin, Z. I. Önsan, R. Yildirim, "Preferential
CO oxidation over Pt-SnO2/Al2O3 in
hydrogen-rich streams containing CO2 and H2O (CO removal
from H2 with PROX)", Catalysis Letters, 111(3-4)
(2006) 173-176.
G.
Uysal, A. N. Akin, Z. I. Önsan, R. Yildirim, "Hydrogen
clean-up by preferential CO oxidation over Pt-Co-Ce/MgO", Catalysis
Letters, 108(3-4) (2006) 193-196.
B.
Selen Çaglayan, A. K. Avci, Z. I. Önsan, A. E. Aksoylu, "Production
of hydrogen over bimetallic Pt-Ni/Al2O3: I. Indirect
partial oxidation of propane", Applied Catalysis A: General,
280 (2005) 181-188.
B.
Selen Çaglayan, Z. I. Önsan, A. E. Aksoylu, "Production
of hydrogen over bimetallic Pt-Ni/Al2O3: II. Indirect
partial oxidation of LPG", Catalysis Letters, 102(1-2) (2005)
63-67.
E.
Örücü, M. Karakaya, A. K. Avci, Z. I. Önsan, "Investigation
of ethanol conversion for hydrogen fuel cells using computer simulations",
Journal of Chemical Technology & Biotechnology, 80 (2005) 1103-1110.
A.
K. Avci, D. L. Trimm, A. E. Aksoylu, Z. I. Önsan, "Hydrogen
production by steam reforming of n-butane over supported Ni and Pt-Ni
catalysts", Applied Catalysis A: General, 258 (2004) 235-240.
A.
K. Avci, Z. I. Önsan, D. L. Trimm, "On-board
hydrogen generation for fuel cell powered vehicles: the use of methanol and
propane", Topics in Catalysis, 22(3-4) (2003) 17-22.
A.
K. Avci, D. L. Trimm, A. E. Aksoylu, Z. I. Önsan, "Ignition
characteristics of propane and n-butane over supported Pt, Ni and Pt-Ni
catalysts", Catalysis Letters, 88(1-2) (2003) 17-22.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Quantitative
investigation of catalytic natural gas conversion for hydrogen fuel cell
applications", Chemical Engineering Journal, 90 (2002) 77-87.
A.
N. Akin, M. Ataman, A. E. Aksoylu, Z. I. Önsan, "CO2
fixation by hydrogenation over co-precipitated Co/Al2O3",
Reaction Kinetics and Catalysis Letters, 76(2) (2002) 265-270.
D.
L. Trimm, Z. I. Önsan, "On-board
fuel conversion for hydrogen fuel cell driven vehicles", Catalysis
Reviews: Science and Engineering, 43(1-2) (2001) 31-84.
A.
K. Avci, Z. I. Önsan, D. L. Trimm, "On-board
fuel conversion for hydrogen fuel cells: Comparison of different fuels by
computer simulations", Applied Catalysis A: General, 216 (2001)
243-256.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Heterogeneous
reactor modeling for simulation of catalytic oxidation and steam reforming of
methane", Chemical Engineering Science, 56(2) (2001) 641-649.
A.
N. Akin, G. Kilaz, A. I. Isli, Z. I. Önsan, "Development
and characterization of Pt-SnO2/Al2O3
catalysts", Chemical Engineering Science, 56(3) (2001) 881-888.
A.
N. Akin, Z. I. Önsan, "CO
hydrogenation by K-promoted coprecipitated Co/Al2O3",
Reaction Kinetics and Catalysis Letters, 70(2) (2000) 275-280.
R.
Karaselçuk, A. I. Isli, A. E. Aksoylu, Z. I. Önsan, "CO
hydrogenation over bimetallic nickel-vanadium catalysts", Applied
Catalysis A: General, 192 (2000) 263-271.
T.
Bülbül, A. I. Isli, A. E. Aksoylu, Z. I. Önsan, "Investigation of
alternative support materials for monometallic and bimetallic catalysts of CO
hydrogenation", Studies in Surface Science and Catalysis, 130
(2000) 3723-3728.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Simulation of alternative
catalyst bed configurations in autothermal hydrogen production", Studies
in Surface Science and Catalysis, 130 (2000) 2753-2758.
A.
N. Akin, A. E. Aksoylu, Z. I. Önsan, "Adsorption
and reaction studies on cobalt-alumina catalysts prepared by changing pH
coprecipitation", Reaction Kinetics and Catalysis Letters,
66(2) (1999) 393-399.
A.
E. Aksoylu, A. I. Isli, Z. I. Önsan, "Interaction
between nickel and molybdenum in bimetallic Ni-Mo/alumina catalysts: III.
Effect of impregnation strategy", Applied Catalysis A: General,
183 (1999) 357-364.
A.
I. Isli, A. E. Aksoylu, Z. I. Önsan, "The
effect of lanthanum and barium additives on the thermal stabilization of
alumina", Turkish Journal of Chemistry, 22(3) (1998) 253-260.
A.
E. Aksoylu, Z. Misirli, Z. I. Önsan, "Interaction
between nickel and molybdenum in bimetallic Ni-Mo/alumina catalysts: I. CO2
methanation and SEM-TEM studies", Applied Catalysis A: General,
168 (1998) 385-397.
A.
E. Aksoylu, Z. I. Önsan, "Interaction
between nickel and molybdenum in bimetallic Ni-Mo/alumina catalysts: II. CO
hydrogenation", Applied Catalysis A: General, 168 (1998)
399-407.
A.
E. Aksoylu, Z. I. Önsan, "Kinetics of CO
hydrogenation over Ni-Mo/alumina catalysts with and without K promotion",
Industrial and Engineering Chemistry Research, 37(6) (1998) 2397-2403.
A.
N. Akin, Z. I. Önsan, "Kinetics
of CO hydrogenation over coprecipitated Co-alumina", Journal of
Chemical Technology & Biotechnology, 70 (1997) 304-310.
A.
N. Akin, Z. I. Önsan, "The
effect of preparation variables on the CO hydrogenation activity of
coprecipitated Co-alumina catalysts", Journal of Chemical
Technology & Biotechnology, 69 (1997) 337-344.
A.
E. Aksoylu, Z. I. Önsan, "Hydrogenation
of carbon oxides using coprecipitated and impregnated nickel-alumina catalysts",
Applied Catalysis A: General, 164 (1997) 1-11.
A.
E. Aksoylu, A. N. Akin, S. G. Sunol, Z. I. Önsan, "The
effect of metal loading on the adsorption parameters of carbon dioxide on
coprecipitated nickel-alumina catalysts", Turkish Journal of
Chemistry, 20(1) (1996) 88-94.
A.
E. Aksoylu, A. N. Akin, Z. I. Önsan, D. L. Trimm, "Structure/activity
relationships in coprecipitated nickel/alumina catalysts using CO2
adsorption and methanation", Applied Catalysis A: General, 145
(1996) 185-193.
Z.
S. Gönenç, R. Yildirim, B. Beler-Baykal, Z. I. Önsan, "Adsorption
parameters of some C5-C8 paraffinic hydrocarbons on
platinum-alumina by gas chromatographic pulse techniques", Applied
Catalysis A: General, 103 (1993) 35-42.
F.
Kizilçeç, Z. I. Önsan, F. Borak, "Heat
transfer coefficients in finned-coil stirred-tank systems", Canadian
Journal of Chemical Engineering, 68 (1990) 1057-1060.
D.
Aksan-Sizgek, F. Borak, Z. I. Önsan, "Heat
transfer coefficients in coiled stirred-tank systems", Canadian
Journal of Chemical Engineering, 65 (1987) 1013-1017.
Z. I. Önsan, D. L. Trimm, "The
ammoxidation of propene and isobutene over an Sn-V-P oxides catalyst",
Journal of Catalysis, 38(1-3) (1975) 257-263.
Bioreaction
and Biosystems Engineering
P.
Pir, B. Kirdar, A. Hayes, Z. I. Önsan, K. Ö. Ülgen, S. G. Oliver, "Exametabolic and transcriptional response in
relation to phenotype and gene copy number in respiration-related deletion
mutants of S. cerevisiae",
Yeast, 25(9) (2008) 661-672.
D.
Dikicioglu, P. Pir, Z. I. Önsan, K. Ö. Ülgen, S. G. Oliver, B. Kirdar,
"Integration of
metabolic modeling and phenotypic data in the evaluation and improvement of
ethanol production using respiratory deficient mutants of Saccharomyces cerevisiae",
Applied and Environmental Microbiology, 74(18) (2008) 5809-5816.
K.
Y. Arga, Z. I. Önsan, B. Kirdar, K. Ö. Ülgen, J. Nielsen, "Understanding signaling
in yeast: insights from network analysis", Biotechnology and
Bioengineering, 97 (2007) 1246-1258.
T.
Çakir, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, J. Nielsen, "Effect of carbon
source perturbations on transcriptional regulation of metabolic fluxes in S.
Cerevisiae", BMC Systems Biology 1 (2007) Article No.
18.
T.
Çakir, K. R. Patil, Z. I. Önsan, K. Ö. Ülgen, B. Kirdar, J. Nielsen,
"Integration
of metabolome data with metabolic networks reveals reporter reactions",
Molecular Systems Biology 2 (2006) Article No. 50.
P.
Pir, B. Kirdar, A. Hayes, Z. I. Önsan, K. Ö. Ülgen, S. G. Oliver, "Integrative
investigation of metabolic and transcriptomic data", BMC
Bioinformatics, 7 (2006) Article No. 203.
P.
Pir, K. Ö. Ülgen, A. Hayes, Z. I. Önsan, B. Kirdar, S. G. Oliver, "Annotation of
unknown yeast ORFs by correlation analysis of microarray data and extensive
literature searches", Yeast, 23 (2006) 553-571.
E.
Toksoy Öner, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, "Modeling
of the induced expression for high-level production of a foreign protein by
recombinant E. coli under the control of the T7 phage promoter",
Process Biochemistry, 39 (2003) 315-323.
M.
M. Altintas, K. Ö. Ülgen, B. Kirdar, Z. I. Önsan, S. G. Oliver, "Optimal
substrate feeding policy for fed-batch cultures of the recombinant S. cerevisiae
expressing bifunctional fusion protein displaying amylolytic activities",
Enzyme and Microbial Technology, 33(2-3) (2003) 262-269.
G.
Birol, I. Birol, B. Kirdar, Z. I. Önsan, "Investigating
the fermentation dynamics structure of recombinant yeast YPB-G", Computers
and Chemical Engineering, 27(1) (2003) 45-54.
M.
M. Altintas, K. Ö. Ülgen, B. Kirdar, Z. I. Önsan, S. G. Oliver, "Improvement
of ethanol production from starch by recombinant yeast through manipulation of
environmental factors", Enzyme and Microbial Technology, 31
(2002) 640-647.
E.
Toksoy, Z. I. Önsan, B. Kirdar, "High
level production of TaqI restriction endonuclease by three different expression
systems in Escherichia coli cells using T7 phage promoter",
Applied Microbiology and Biotechnology, 59(2-3) (2002) 239-245.
M.
M. Altintas, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, "Cybernetic
modeling of growth and ethanol production in a recombinant S. cerevisiae
strain secreting a bifunctional protein", Process Biochemistry,
39(12) (2002) 1439-1445.
E.
Toksoy, Z. I. Önsan, B. Kirdar, "Expression
of a thermostable restriction endonuclease in recombinant E. coli
cells and optimization of fermentation conditions", World Journal
of Microbiology and Biotechnology, 18 (2002) 23-27.
K.
Ö. Ülgen, B. Saygili, Z. I. Önsan, B. Kirdar, "Bioconversion
of starch into ethanol by a recombinant S. cerevisiae strain
YPG-AB", Process Biochemistry, 37(10) (2002) 1157-1168.
G.
Birol, B. Kirdar, Z. I. Önsan, "A
simple structured model for biomass and extracellular enzyme production with
recombinant Saccharomyces cerevisiae YPB-G", Journal
of Industrial Microbiology & Biotechnology, 29(3) (2002) 111-116.
M.
M. Altintas, B. Kirdar, Z. I. Önsan, K. Ülgen, "Plasmid
stability in a recombinant S. cerevisiae strain secreting a
bifunctional fusion protein", Journal of Chemical Technology &
Biotechnology, 76 (2001) 612-618.
E.
Toksoy, Z. I. Önsan, B. Kirdar, "Effect
of the co-expression of methyltransferase activity on extracellular production
of TaqI restriction endonuclease in recombinant E. coli cells",
Process Biochemistry, 37(5) (2001) 527-534.
C.
Tamerler, K. Ülgen, B. Kirdar, Z. I. Önsan, "A
structured model for intracellular EcoRI endonuclease by recombinant E. coli
294", Process Biochemistry, 36(7) (2001) 621-627.
C.
Tamerler, Z. I. Önsan, B. Kirdar, "A
comparative study on the recovery of EcoRI endonuclease from two different
genetically modified strains of Escherichia coli", Turkish
Journal of Chemistry, 25(1) (2001) 63-71.
G.
Birol, Z. I. Önsan, B. Kirdar, "Studies
on fermentation of recombinant yeast cells: stability and kinetics of biomass
and protein production", Journal of Chemical Technology & Biotechnology,
75(8) (2000) 729-737.
E.
Toksoy, P. H. Özdinler, Z. I. Önsan, B. Kirdar, "Extracellular
production of TaqI endonuclease in E. coli", Biotechnology
Techniques, 13(11) (1999) 803-808.
G.
Birol, P. Doruker, B. Kirdar, Z. I. Önsan, K. Ülgen, "Mathematical
description of ethanol fermentation by immobilised Saccharomyces cerevisiae",
Process Biochemistry, 33(7) (1998) 763-771.
G.
Birol, Z. I. Önsan, B. Kirdar, S. Oliver, "Ethanol
production and fermentation characteristics of recombinant S. cerevisiae
strains grown on starch", Enzyme and Microbial Technology,
22(1998) 672-677.
C.
Yildir, Z. I. Önsan, B. Kirdar, "Optimization
of starting time and period of induction and inducer concentration in the
production of the restriction enzyme EcoRI from recombinant E. coli
294", Turkish Journal of Chemistry, 22(3) (1998) 221-226.
C. Papers in Other Journals/Books
Catalyst Technology and Reaction
Engineering
A. N. Akin, Z.
I. Önsan, "Turkish chemical industry and environmentally friendly
technologies", Eurasian Chemico-Technological Journal, 3(4) (2001)
257-266.
Z. S. Gönenç, Z. I. Önsan, "Chromatographic study of the adsorption
and reaction of hydrocarbons on a platinum-alumina reforming catalyst" in Recent
Advances in Chemical Engineering (ed. D. N. Saraf, D. Kunzru),
Tata-McGraw-Hill, New Delhi (1989) 266-271.
A. N. Akin, M. Arikol, Z. I. Önsan, "The effect of temperature and
caustic soda concentration on bauxite digestion efficiency", Chimica
Acta Turcica, 17(1) (1989) 21-29.
Z. S. Gönenç, Z. I. Önsan, "Chromatographic study of hydrogen
adsorption on a commercial platinum-alumina reforming catalyst", Turkish
Journal of Chemistry, 12(3) (1988) 248-254.
F. Özgülsen, F. Borak, Z. I. Önsan, "Design of optimal heat
exchangers-2", Mühendis ve Makina Dergisi, 29 (1988) 26-32.
A. Z. Aroguz, Z. I. Önsan, "Pyrolysis of solid waste
materials", Chimica Acta Turcica, 15(3) (1987) 415-429.
H. F. Berk, A. B. Beler, Z. I. Önsan, R. Kandiyoti, "The effects of
coal utilization techniques on air pollution-1. Low temperature
pyrolysis", Çevre Haberleri, 5 (1980) 33-37 (Environmental News
- published by Bogaziçi University).
R. Kandiyoti, Z. I. Önsan, "The effects of coal utilization
techniques on air pollution-1. Gasification Processes", Çevre Haberleri,
8 (1980) 15-23.
Z. I. Önsan, A. M. Erten, "Pyrolysis of cellulosic solid waste
materials", Çevre Haberleri, 3 (1979) 17-22.
G. Alptekin, Z. I. Önsan, R. Kandiyoti, "Hydrodenitrogenation of
pyridine over a cobalt molybdate catalyst", Bogaziçi University Journal,
7 (1979) 1-22.
Bioreaction
and Biosystems Engineering
P. Doruker, Z.
I. Önsan, B. Kirdar, "Ethanol fermentation by growing S. cerevisiae
cells immobilized in small Ca-alginate beads", Turkish Journal of Chemistry,
19 (1995) 37-42.
K. Özergin, Y. Khoury, Z. I. Önsan, B. Kirdar, "The effect of
immobilization on yeast cell growth and ethanol production", Turkish
Journal of Chemistry, 17 (1993) 154-159.
CONFERENCE
PRESENTATIONS:
F.
Gökaliler, Z. I. Önsan, A. E. Aksoylu, "The Oxidative Steam
Reforming (OSR) Performance of Pt-Ni/Al2O3 System with
Mixed Propane-Methane Feed", AIChE Spring Meeting, 13-17 March, 2011,
Chicago, USA.
Z. I. Önsan, "Laboratory Scale
Catalyst Testing", 6th EFCATS Summer School, 13-18 September,
2010, Izmir, Turkey.
E.
Simsek, A. K. Avci, Z. I. Önsan, "A Parametric Study of Syngas
Production by Methane Steam Reforming", 6th EFCATS Summer
School, 13-18 September, 2010, Izmir, Turkey.
R.
M. Kircin, M. Karakaya, A. K. Avci, A. E. Aksoylu, Z. I. Önsan, "Modeling
of a Catalytic Plate Reactor Producing Hydrogen for Fuel Processor
Systems", XIX International Conference on Chemical Reactors, 5-9
September, 2010, Vienna, Austria.
F.
Gökaliler, Z. I. Önsan, A. E. Aksoylu, "Power Type Rate Law for
Propane ATR over a Pt-Ni/Al2O3 Catalyst", ACS Fall
National Meeting, 22-26 August, 2010, Boston-USA.
S.
Tuna, Ö. Sen, A. K. Avci, Z. I. Önsan, "Influence of Catalyst
Properties and Feed Composition on WGS Reaction over Pt/Ceria Catalysts",
9th European Congress of Catalysis: EuropaCat-9, 30 August-4 September, 2009,
Salamanca, Spain.
S.
Acun, S. Özkara-Aydinoglu, A. E. Aksoylu, Z. I. Önsan, "Effect of
Support Pretreatment on Kinetics of CO Oxidation over Activated Carbon
Supported Pt-SnOx Catalysts", 3rd International Symposium
on Carbon for Catalysis, 9-12 November, 2008, Berlin, Germany.
D.
Hasdemir, Z. I. Önsan, J. Nielsen, B. Kirdar, "Interactome and
Transcriptome Data to Reveal Glucose Repression Pathway in S. cerevisiae",
9th International Conference on Systems Biology, 23-27 August, 2008,
Göteborg, Sweden.
Ö.
Tan, E. Masalaci, Z. I. Önsan, A. K. Avci, "Simulation and Design
of Methane-to-Hydrogen Converters for Driving PEMFCs", 14th
International Congress on Catalysis", 12-18 July, 2008, Seoul, South
Korea.
B.
Gülyüz, A. E. Aksoylu, Z. I. Önsan, "Kinetics of Low Temperature CO
Oxidation over Activated Carbon Supported Pt-ceria", 8th
European Congress of Catalysis: EuropaCat-8, 26-31 August, 2007, Turku,
Finland.
F.
Soyal-Baltacioglu, A. E. Aksoylu, Z. I. Önsan, "Steam Reforming of
Ethanol over Pt-Ni/Al2O3 Catalysts", 8th
European Congress of Catalysis: EuropaCat-8, 26-31 August, 2007, Turku,
Finland.
F.
Gökaliler, B. S. Çaglayan, Z. I. Önsan, A. E. Aksoylu, "Fuel
Flexibility of Bimetallic Pt-Ni Systems: Hydrogen Production from LPG Having
Different C3:C4 Ratios", Scientific Advances in Fuel
Cells Systems, Abstract Book, p. 3B.5, 13-14 September, 2006, Turin, Italy.
M.
Karakaya, A. K. Avci, A. E. Aksoylu, Z. I. Önsan, "Dynamic
Simulation of an Indirect Partial Oxidation Reactor for Methane Conversion to
Hydrogen", Scientific Advances in Fuel Cells Systems, Abstract Book, p.
6-11, 13-14 September, 2006, Turin, Italy.
P.
Pir, B. Kirdar, Z. I. Önsan, A. Hayes, K. Ö. Ülgen, S. G. Oliver,
"An Investigation on Transcriptional Regulation of Central Carbon
Metabolism in S. cerevisiae," Genomes to Systems Conference,
Abstract Book, p. 64, 22-24 March, 2006, Manchester, UK.
T.
Çakir, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, J. Nielsen,
"Transcriptional Regulation of Metabolic Fluxes in Response to Carbon
Shifts", Genomes to Systems Conference, Abstract Book, p. 61, 22-24 March,
2006, Manchester, UK.
D.
Dikicioglu, P. Pir, Z. I. Önsan, K. Ö. Ülgen, B. Kirdar, S. G. Oliver,
"Investigation of the Respiratory Pathway in S. cerevisiae Using Metabolic
Data and Flux Balance Analysis", Genomes to Systems Conference, Abstract
Book, p. 61, 22-24 March, 2006, Manchester, UK.
B.
S. Çaglayan, F. Gökaliler, E. Örücü, Z. I. Önsan, A. E. Aksoylu,
"Hydrogen production from propane, LPG and ethanol over Bimetallic
Catalysts", 2nd European Hydrogen Energy Conference, 22-25 November, 2005,
Zaragoza, Spain.
P. Pir, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, A.
Hayes, S. G. Oliver, "Integration of Metabolome and Transcriptome Profiles
from Perturbed Chemostats", 12th European Congress on
Biotechnology, 21-25 August, 2005, Copenhagen, Denmark.
K.
Y. Arga, Z. I. Önsan, B. Kirdar, J. Nielsen, K. Ö. Ülgen,
"Structural Robustness of Protein Interaction Networks are due to
Modularity", 12th European Congress on Biotechnology, 21-25
August, 2005, Copenhagen, Denmark.
T.
Çakir, K. R. Patil, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, J. Nielsen,
"Use of Metabolome Data and Metabolic Network Structure to Identify
Reaction Significances", 12th European Congress on
Biotechnology, 21-25 August, 2005, Copenhagen, Denmark.
E.
Örücü, F. Gökaliler, A. E. Aksoylu, Z. I. Önsan, "Hydrogen
Production by Ethanol Steam Reforming", International Hydrogen Energy
Conference, 13-15 June, 2005, Istanbul, Turkey.
B.
S. Çaglayan, F. Gökaliler, Z. I. Önsan, A. E. Aksoylu, "Indirect
Partial Oxidation over Bimetallic Pt-Ni Catalyst: Production of Hydrogen from
LPG", International Hydrogen Energy Conference, 13-15 June, 2005,
Istanbul, Turkey.
E.
Örücü, F. Gökaliler, A. E. Aksoylu, Z. I. Önsan, "Hydrogen
Production by Ethanol Steam Reforming over Bimetallic Catalysts", 7th
European Congress on Catalysis, EuropaCat 7, 28 August-1 September, 2005,
Sofia, Bulgaria.
B.
S. Çaglayan, F. Gökaliler, Z. I. Önsan, A. E. Aksoylu, "Autothermal
Reforming of Propane over Pt-Ni Bimetallic Catalysts", 7th
European Congress on Catalysis, EuropaCat 7, 28 August-1 September, 2005,
Sofia, Bulgaria.
P.
Pir, K. Ö. Ülgen, B. Kirdar, Z. I. Önsan, S. G. Oliver, "Integrated
Analysis of Metabolome Profiles and Gene Expression in S. cerevisiae",
5th International Conference on Systems Biology, Abstract Book, pp. 146, 9-13
October, 2004, Heidelberg, Germany.
P.
Pir, B. Kirdar, Z. I. Önsan, K. Ö. Ülgen, S. G. Oliver, "Analysis
of Variance in Transcriptome Data from Perturbation Experiments", 5th
International Conference on Systems Biology, Abstract Book, pp. 145, 9-13
October, 2004, Heidelberg, Germany.
B.
Selen, S. Gürdag, Z. I. Önsan, A. E. Aksoylu, "Modification and
Characterization of Activated Carbon and Its Use as the Support in Pt-Cu CO
Oxidation Catalysts", International Symposium on Carbon for Catalysis
(CarboCat 2004), 18-20 July, 2004, Lausanne, Switzerland.
E.
Örücü, M. Karakaya, A. K. Avci, Z. I. Önsan, "Investigation of
Ethanol Conversion for Hydrogen Fuel Cells Using Computer Simulations", 13th
International Congress on Catalysis, 11-16 July, 2004, Paris, France.
G.
Seçkin, A. N. Akin, Z. I. Önsan, R. Yildirim, "Design of Pt/MgO
Catalysts for Low Temperature Oxidation of CO in Hydrogen-Rich Gas
Streams", 13th International Congress on Catalysis, 11-16 July,
2004, Paris, France.
A.
K. Avci, D. L. Trimm, A. E. Aksoylu, Z. I. Önsan, "Catalytic
Combustion of Light Hydrocarbons under Fuel Rich Conditions", AIChE Annual
Meeting, 16-21 November, 2003, San Francisco, USA.
B.
Selen, A. K. Avci, Z. I. Önsan, A. E. Aksoylu, "Autothermal
Reforming of Propane over Pt-Ni Bimetallic System", 6th
European Congress on Catalysis, EuropaCat 6, 31 August-4 September, 2003,
Innsbruck, Austria.
G.
Seçkin, T. Ince, A. N. Akin, Z. I. Önsan, R. Yildirim, "Selective
Low Temperature CO Oxidation over Supported Pt-Co-Ce Catalysts in Hydrogen-Rich
Streams", 6th European Congress on Catalysis, EuropaCat 6, 31
August-4 September, 2003, Innsbruck, Austria.
E.
Toksoy-Öner, B. Kirdar, Z. I. Önsan, K. Ülgen, "A Structured Model
for High-Level Protein Production by Recombinant E. coli Cells", 3rd
Eastern Mediterranean Chemical Engineering Conference (EMCC-3), 13-16 May,
2003, Salonica, Greece.
A.
K. Avci, D. L. Trimm, A. E. Aksoylu, Z. I. Önsan, "Production of
Hydrogen from Light Hydrocarbons via Indirect Partial Oxidation on Bimetallic
Catalysts", 3rd Eastern Mediterranean Chemical Engineering
Conference (EMCC-3), 13-16 May, 2003, Salonica, Greece.
A.
K. Avci, A. E. Aksoylu, Önsan, Z. I., "Ignition Characteristics of
Catalytic Propane and n-Butane Oxidation", Fuel Cells Science &
Technology 2002, September 25-26, 2002, Amsterdam, The Netherlands.
A.
K. Avci, D. L. Trimm, A. E. Aksoylu, Z. I. Önsan, "Catalytic Oxidation
and Steam Reforming of Propane and n-Butane for Hydrogen Production",
224th ACS National Meeting, August 18-22, 2002, Boston, Massachusetts, USA.
S. Özkara, A. K. Uguz, Z. I. Önsan, A. E. Aksoylu, "Removal of CO in Hydrogen Streams by Low Temperature Catalytic Oxidation", 224th ACS National Meeting, August 18-22, 2002, Boston, Massachusetts, USA.
S.
Özkara, A. E. Aksoylu, Z. I. Önsan, A. N. Akin, "Co-precipitated
Co/Al2O3 Supported Pt Catalysts in Low Temperature CO
Oxidation", UNIDO-ICS Workshop on Catalysis for Environmentally Friendly
Processes and Products, 24-27 September, 2001, Istanbul, Turkey.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Reactor Modeling for Simulation
of Catalytic Autothermal Conversion of Methane to Hydrogen", UNIDO-ICS
Workshop on Catalysis for Environmentally Friendly Processes and Products,
24-27 September, 2001, Istanbul, Turkey.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Hydrogen Production for Fuel
Cell Applications", UNIDO-ICS Workshop on Catalysis for Environmentally
Friendly Processes and Products, 24-27 September, 2001, Istanbul, Turkey.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Reactor Modeling for Simulation
of Catalytic Autothermal Conversion of Methane to Hydrogen", UNIDO-ICS
Workshop on Catalysis for Environmentally Friendly Processes and Products,
24-27 September, 2001, Istanbul, Turkey.
S. Özkara, A. E. Aksoylu, Z. I. Önsan, A. N. Akin, "Low Temperature CO Oxidation Activity of Pt Supported on Co-precipitated Co/Al2O3", EUROPACAT V - 5th European Congress on Catalysis, September 2-7, 2001, Limerick, Ireland.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "On-board conversion of
alternative hydrocarbon fuels into hydrogen for vehicular fuel cell
applications", EUROPACAT V - 5th European Congress on Catalysis, September
2-7, 2001, Limerick, Ireland.
A.
I. Isli, A. K. Avci, S. Gürdag, Z. I. Önsan, A. E. Aksoylu,
"Activated Carbon as a Support for Ni-Mo Catalysts Used in CO
Hydrogenation", EUROPACAT V - 5th European Congress on Catalysis,
September 2-7, 2001, Limerick, Ireland.
A.
K. Avci, Z. I. Önsan, D. L. Trimm, "Hydrogen from Natural Gas for
Mobile Fuel Cell Applications", 6th Natural Gas Conversion Symposium,
17-22 June, 2001, Alaska, USA.
S. Özkara, G. H. Güvelioglu, A. K. Uguz, A. N. Akin, A. E. Aksoylu, Z. I. Önsan, "Low Temperature CO Oxidation Activity of Pt Supported on Co-precipitated Co/Al2O3", Second Chemical Engineering Conference for Collaborative Research in Eastern Mediterranean, 20-24 May, 2001, Ankara, Turkey.
Z. I. Önsan, A. K. Avci, D. L.
Trimm, "On-board Hydrogen Generation Systems for Fuel Cell Driven
Vehicles", invited lecture in the Second Chemical Engineering Conference
for Collaborative Research in Eastern Mediterranean, 20-24 May, 2001, Ankara,
Turkey.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Conversion of Methanol and
Gasoline to Hydrogen for Fuel Cell Vehicles", 1st EFCATS School on
Catalysis, 27 March-1 April, 2001, Prague, Czech Republic.
A.
N. Akin, A. K. Avci, A. E. Aksoylu, Z. I. Önsan, "Role of Catalysis
in the Development of Cleaner Processes", UNIDO ICS Workshop on Catalytic
Processes for Clean Chemistry and Water and Air Depollution, 19-22 November,
2000, Hammemet, Tunisia.
A.
N. Akin, Z. I. Önsan, "Effect of Potassium Promotion on the CO
Hydrogenation of Co-precipitated Cobalt Alumina Catalysts", Proceedings of
the 9th International Symposium on Heterogeneous Catalysis (Eds: L. Petrov, Ch.
Bonev, G. Kadinov), pp. 381-386, Institute of Catalysis, Bulgarian Academy of
Sciences, 23-27 September, 2000, Varna, Bulgaria.
M.
Dönmez, A. K. Avci, A. N. Akin, Z. I. Önsan, "Characterization of
Co-precipitated Cobalt Alumina Catalysts by Thermogravimetric Analysis",
Proceedings of the 9th International Symposium on Heterogeneous Catalysis (Eds:
L. Petrov, Ch. Bonev, G. Kadinov), pp. 375-380, Institute of Catalysis,
Bulgarian Academy of Sciences, 23-27 September, 2000, Varna, Bulgaria.
A.
N. Akin, G. Kilaz, A. I. Isli, Z. I. Önsan, "Development and
Characterization of Pt-SnO2/Al2O3
Catalysts", ISCRE 16 - 16th International Symposium on Chemical Reaction
Engineering, September 10-13, 2000, Cracow, Poland.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Heterogeneous Reactor Modeling
for Simulation of Catalytic Oxidation and Steam Reforming of Methane",
ISCRE 16 - 16th International Symposium on Chemical Reaction Engineering",
September 10-13, 2000, Cracow, Poland.
E.
Toksoy, Z. I. Önsan, B. Kirdar, "Comparison of Three Different TaqI
Restriction-Modification Expression Systems in High Cell Density Cultures of
Escherichia coli Using the T7 Phage Promoter System", ESBES-3, September
10-13, 2000, Copenhagen, Denmark.
M.
M. Altintas, B. Kirdar, Z. I. Önsan, K. Ülgen, "Cybernetic Modeling
of Starch Degradation by Recombinant Saccharomyces cerevisiae", ESBES-3,
September 10-13, 2000, Copenhagen, Denmark.
E.
Toksoy, Z. I. Önsan, B. Kirdar, "Effect of Methylase Protection on
Extracellular TaqI Production in E. coli Cells", Biotechnology 2000,
September 3-8, 2000, Berlin, Germany.
M.
M. Altintas, B. Kirdar, Z. I. Önsan, K. Ülgen, "Bioreactor
Operating Strategies for Alcohol Fermentation by Recombinant Yeast",
Biotechnology 2000, September 3-8, 2000, Berlin, Germany.
T.
Bülbül, A. I. Isli, A. E. Aksoylu, Z. I. Önsan, "Investigation of
Alternative Support Materials for Monometallic and Bimetallic Catalysts of CO
Hydrogenation", 12th International Congress on Catalysis", 9-14 July,
2000, Granada, Spain.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Simulation of Alternative
Catalyst Bed Configurations in Autothermal Hydrogen Production", 12th
International Congress on Catalysis", 9-14 July, 2000, Granada, Spain.
G.
Kilaz, A. I. Isli, A. N. Akin, Z. I. Önsan, "A Parametric Study on
Low Temperature CO Oxidation on Pt-SnO2/Al2O3
Catalysts", 4th European Congress on Catalysis - EUROPACAT-IV, 82, 5-10
September, 1999, Rimini, Italy.
B.
E. Saygili, K. Ülgen, Z. I. Önsan, B. Kirdar, "Single Step
Conversion of Starch to Ethanol by Recombinant S. cerevisiae", 9th
European Congress on Biotechnology, 11-15 July, 1999, Brussels, Belgium.
A.
E. Aksoylu, Z. I. Önsan, "Synergetic Interactions in Bimetallic
Nickel Catalysts", American-Turkish-Israeli Tri-National Chemical
Engineering Conference, 9-11 March, 1999, Haifa, Israel.
A.
N. Akin, Z. I. Önsan, "Potassium Promotion of Co-precipitated
Cobalt-Alumina Catalysts", American-Turkish-Israeli Tri-National Chemical
Engineering Conference, 9-11 March, 1999, Haifa, Israel.
A.
K. Avci, D. L. Trimm, Z. I. Önsan, "Reactor Modeling for Hydrogen
Production by Catalytic Oxidation and Steam Reforming of Light
Hydrocarbons", 48th Canadian Chemical Engineering Conference, 4-7 October,
1998, London-Ontario, Canada.
R.
Karaselçuk, A. I. Isli, A. E. Aksoylu, Z. I. Önsan, "CO
Hydrogenation over Bimetallic Nickel-Vanadium Catalysts", 48th Canadian
Chemical Engineering Conference, 4-7 October, 1998, London-Ontario, Canada.
G.
Birol, S. Savas, K. Ülgen, B. Kirdar, Z. I. Önsan, "Fermentation
Characteristics of a Recombinant Saccharomyces cerevisiae Strain for the
Conversion of Starch to Ethanol", 48th Canadian Chemical Engineering
Conference, 4-7 October, 1998, London-Ontario, Canada.
E.
Toksoy, P. H. Özdinler, Z. I. Önsan, B. Kirdar, "Extracellular
Production of TaqI Endonuclease by a Recombinant Escherichia coli
Strain", 48th Canadian Chemical Engineering Conference, 4-7 October, 1998,
London-Ontario, Canada.
G.
Birol, I. Birol, B. Kirdar, Z. I. Önsan, "Modeling of Recombinant
Yeast Cells: Reduction of Phase Space", Proceedings of the 35th Rocky
Mountain Bioengineering Symposium, 17-19 April, 1998, in Biomedical Sciences
Instrumentation (Eds. S. F. Barrett and H. G. Wright), vol. 34, pp. 163-168.
A.
E. Aksoylu, Z. I. Önsan, "The Effect of Mo on the Structure and
Activity of Ni/Al2O3 Catalysts: Hydrogenation of Carbon
Oxides", 3rd European Congress on Catalysis, 31 August-6 September,
Cracow, Poland.
A.
N. Akin, Z. I. Önsan, "Preparation and Characterization of
Co-precipitated Co-Alumina Catalysts used for CO Hydrogenation", 3rd
European Congress on Catalysis, 31 August-6 September, 1997, Cracow, Poland.
G.
Birol, B. Kirdar, Z. I. Önsan, "A Comparison of Aerobic and Anaerobic
Fermentation of Recombinant Yeast Cells Grown on Starch", 8th European
Congress on Biotechnology, 17-21 August, 1997, Budapest, Hungary.
G.
Birol, S. Savas, Z. I. Önsan, B. Kirdar, "Optimization of
Fermentation Conditions for Recombinant S. cerevisiae Grown on
Starch", 8th European Congress on Biotechnology, 17-21 August, 1997,
Budapest, Hungary.
E.
Toksoy, Z. I. Önsan, B. Kirdar, "Expression of MBP-Taq DNA
Polymerase Fusion Protein: Optimization of Fermentation Conditions in a Batch
System", 8th European Congress on Biotechnology, 17-21 August, 1997,
Budapest, Hungary.
A.
E. Aksoylu, A. N. Akin, Z. I. Önsan, "Hydrogenation of Carbon
Oxides for the Production of C1-C4 Hydrocarbons Using
Nickel and Cobalt-based Catalysts", NATO-ASI on "Advances and
Challenges in the Catalytic Activation and Functionalization of Light
Alkanes", 25 May-7 June, 1997, Algarve, Portugal.
A.
E. Aksoylu, A. N. Akin, S. G. Sunol, Z. I. Önsan, "Preparation and
Characterization of Co-precipitated Nickel-Alumina Catalysts", 35th IUPAC
Congress, 1995, Istanbul, Turkey.
A. N. Akin, A. E. Aksoylu, S. G. Sunol, Z. I. Önsan, "Hydrocarbon Synthesis by Carbon Monoxide Hydrogenation on Co-precipitated Cobalt Catalysts", 35th IUPAC Congressi 1995, Istanbul, Turkey.
C.
Yildir, Z. I. Önsan, B. Kirdar, "The Effect of Temperature Shift on
Product Yield in E. coli containing pSCC2", 7th
European Congress on Biotechnology, Abstract Book, vol. 2, p. 109, 19-23
February, 1995, Nice, France.
G.
Birol, K. Ülgen, B. Kirdar, Z. I. Önsan, "Modeling of Fermentation
by Yeast Cells", 7th European Congress on Biotechnology,
Abstract Book, vol. 2, p. 109, 19-23 February, 1995, Nice, France.
C.
Yildir, Z. I. Önsan, B. Kirdar, "Development of a Small Scale
Procedure for the Purification of Restriction Enzymes", 10th
Balkan Biochemical and Biophysical Days, 22-25 May, 1994, Varna, Bulgaria.
S.
Gönenç, Z. I. Önsan, "Chromatographic Study of the Absorption and
Reaction of Hydrocarbons on a Platium-Alumina Reforming Catalyst" in
Recent Advances in Chemical Engineering (Eds. D. N. Saraf and D. Kunzru),
Tata-McGrawhill, New Delhi (1989) 266-271.