ACADEMIC CAREER
1995
BSc. - Middle East Technical University - Department
of Chemical Engineering
1998 MSc. - Middle East Technical University - Department
of Chemical Engineering
2004
Ph.D. - Middle East Technical University - Department
of Chemical Engineering
2012
Asst. Prof. Dr. Ankara University - Institute of Nuclear Sciences
2017 Assoc. Prof. Dr. Ankara University
EMPLOYMENT
1993 Summer Practice,
Low Density Polyethylene Plant,
Petkim Petrochemical Complex, Aliağa, İzmir
1997-2005 Research Assistant
Middle East Technical University -
Department of Chemical Engineering
2004
– 2005 Project Supervisor
Establishing a Pilot Plant and
Laboratory to Produce Boron Compounds
National Boron Research Institute - METU
Department of Chemical Engineering
2005
- 2012 Specialist, Project Supervisor
Turkish Ministry of Energy, National
Boron Research Institute
2012- Asst. Prof. Dr., Ankara University
- Institute of Nuclear Sciences
2015- Vice Director, Ankara University
- Institute of Nuclear Sciences
2018-
Assoc. Prof. Dr., Ankara
University - Institute of Nuclear Sciences
2018- Head of Nuclear Research and
Technologies Department
RESEARCH AREAS
Gross Alpha/Beta Activity Determination in water
samples using Proportional Counter and Liquid Scintillation Counting (LSC)
Activity
determination of 210Po and 210Pb in soil/sediment samples
using Alpha Spectrometry and LSC
Activity
determination of 90Sr in environmental samples using LSC
Electrodeposition of 241Am
Boron Nitride Coating and its Medical Applications
Use of Boron Products as Dosimetric Material
Radionuclide Adsorption on Different Adsorbents
LECTURES GIVEN
Radiochemistry 1
Radiochemical Applications Laboratory (Proportional
Counter, Alpha Spectrometry, LSC)
Mass and Energy Balances in Chemical Engineering
Advanced Nuclear Heat Transfer
Research Methods
Electricity Production Using Nuclear Energy
Fluid Mechanics
Mass Transfer in Biomedical Engineering
THESIS SUPERVISED
1. Rufiyet Güven, Application
of A Standard Method for the Measurement of Gross Alpha and Beta Activites in
Drinking Water by Using Low Level Scintillation Counting (LSC) Technique, MSc,
August 2015
2. Sezen Limon, Determination
of 210Pb and 210Po Activity Concentrations in Sediments
by Using Radiochemical Separation Techniques, MSc, June 2016
3. Elçin İlke OKUR, The Effect
of the Use of Thermoplastic Mask on Skin Dose in Head and Neck Irradiation,
Health Physics MSc,2019 (co-supervisor)
4. Miray BAŞDOĞAN, Gamma Dose
Rate Effects in TL, OSL and EPR of Various Luminescence Dosimetric Materials,
Health Physics MSc
PUBLICATIONS
THESIS
1. Çakal Gaye Ö., “Study of
Reactivity of Coal in Carbonization and Gasification by Thermogravimetric
Analysis”, MSc Dissertation, METU Department of Chemical Engineering, September
1998.
2. Çakal Gaye Ö., “Dynamic
Behavior of Continuous Flow Stirred Slurry Reactors in Boric Acid Production”,
PhD Dissertation, METU Department of Chemical Engineering, June 2004.
PAPERS
1. Çakal G.Ö., Eroğlu, İ.,
Özkar, S., “Gypsum Crystal Size Distribution in Four Continuous Flow Stirred
Slurry Boric Acid Reactors in Series Compared with the Batch”, Journal of
Crystal Growth, Vol. 290, pp. 197-202, 2006.
2. Çakal G.Ö., Yücel H., Gürüz
A.G., “Physical And Chemical Properties of Selected Turkish Lignites and Their
Pyrolysis and Gasifıcation Rates Determined By Thermogravimetric Analysis”,
Journal of Analytical and Applied Pyrolysis, Vol. 80, pp. 262-268, 2007.
3. Çakal G.Ö., Eroğlu, İ.,
Özkar, S., “Simulation Of Gypsum Crystallization in Continuous Boric Acid
Slurry Reactors by Microfluid and Macrofluid Models”, Journal of Crystal
Growth, Vol. 360, pp. 240-247, 2007.
4. Gürhan D., Çakal G.Ö.,
Eroğlu, İ., Özkar, S., “Improved Synthesis of Fine Zinc Borate Particles Using
Seed Crystals”, Journal of Crystal Growth, Vol. 311, pp. 1545-1552, 2009.
5. Kılınç M., Çakal G.Ö., Yeşil
S., Bayram G., Eroğlu, İ., Özkar, S., “Scale Up Synthesis of Zinc Borate From
The Reaction of Zinc Oxide and Boric Acid in Aqueous Medium”, Journal of
Crystal Growth, Vol. 312, pp. 3361-3366, 2010.
6. Çakal G.Ö., Göğebakan Z.,
Coşkun S., “Investigation of Synergistic Effect of Boron on Fire Retardancy of
Cotton Fabrics”, Tekstil ve Konfeksiyon, Vol. 21, Issue: 3, pp. 265-271, 2011.
7. Çağlar G.S., Çakal G.Ö.,
Yüce E., Pabuccu R., “Evaluation of Serum Boron Levels and Lipid Profile In
Pregnancies With or Without Gestational Diabetes”, Journal of Perinatal
Medicine, Vol. 40, Issue 2, pp. 137-140, 2012.
8. Çakal G.Ö., “Production of
fine zinc borate in industrial scale”, Chemical Industry & Chemical
Engineering Quarterly, Vol. 18, Issue 4, pp. 547−553, 2012.
9. A.G. Çelik, A.M. Kılıç, G.Ö.
Çakal, “Expanded Perlite Aggregate Characterization for Use as a Lightweight
Construction Raw Material", Physicochemical Problems of Mineral
Processing, 49(2), 689-700, 2013.
10. B. Baltacı, G.Ö. Çakal, G.
Bayram, İ. Eroğlu, S. Özkar, “Surfactant Modified Zinc Borate Synthesis and Its
Effect on the Properties of PET”, Powder Technology, 244, 38-44, 2013.
11. H. Yücel, G.Ö. Çakal, A.Ö.
Yüksel, R. Kurt, E. Uyar, S. Güven, H. Hancı, “Nükleer Adli Bilim ve İnceleme
Konuları/ Nuclear Forensics and Its Investigation Topics
”, Adli Bilimler Dergisi/Forensic Sciences Journal, 12(1), 37-48, 2013.
(Turkish)
12. G.S. Çağlar, G.O. Cakal,M. Kiseli,
“Umbilical Cord Boron Levels in Term Gestations”, Trace Elements and
Electrolytes, 32, 37-41, 2014.
13.
M. Kilinc, G.O. Cakal, G. Bayram, I. Eroglu,
S. Ozkar, Flame Retardancy and Mechanical Properties of PET-Based Composites
Containing Phosphorus and Boron-Based Additives, Journal of Applied Polymer
Science, 2015. DOI: 10.1002/app.42016
14.
G.Ö. Çakal, R. Güven, H. Yücel, An Application
of LSC Method for the Measurement of Gross Alpha and Beta Activities in Spiked
Water and Drinking Water Samples, Nukleonika, 60 (3), 637-642, 2015. DOI:
10.1515/nuka-2015-0089
15.
A.G. Celik, G.O. Cakal “Characterization of
Espey Colemanite and Variation of its Physical Properties With Temperature”,
Physicochemical Problems of Mineral Processing, 52(1), 66−76, 2016.
16.
C. Gökmenoğlu, N. Ozmeric, G. Çakal, N. Dökmetas,
C. Ergene, B. Kaftanoğlu, “Coating of Titanium Implants with Boron Nitride by
RF Magnetron Sputtering”, Bulletin of Material Science, 39(5), 1363–1370, 2016.
17.
Çakal Gaye Ö., Gökmenoğlu C., Kaftanoğlu B.,
Özmeriç N., “Surface Characterization and Corrosion Resistance of Boron Nitride
Coated Titanium Dental Implants” Physicochemical Problems of Materials
Protection, 55(3),
608-614, 2019.
18. G.Ö. Çakal, B.
Baltacı, G. Bayram, S. Özkar, I. Eroglu, “Zinc Borate Synthesis With Water
Soluble Additives: Kinetics And Product Characterization”, Journal of Crystal
Growth, Volume 533, 125461, 2020.
19. G.S. Polymeris, M.
Başdoğan, G.Ö. Çakal, E. Aşlar, N. Meriç, “Gamma dose rate effects in
luminescence signals of various artificial, well established dosimetric
phosphors”, Radiation Measurements, Volume 133, 106282, 2020.
20. A.G. Çelik, G.Ö.
Çakal, “Refiner production of sodium perborate and hydrogen peroxide bleached
mechanical pulp: characterization and physicomechanical properties”, Cellulose
Chemistry and Technology 54 (7-8), 735-743, 2020.
INTERNATIONAL CONFERENCE PAPERS
1. A.Erdoğdu, G.Ö.Çakal,
N.Özkar, S.Özkar, İ. Eroğlu, “Effect of Particle Size of Colemanite on Gypsum
Crystallization During Boric Acid Production”, pp. 42-49, WASIC Workshop on
Advance in Sensoring in Industrial Crystallization, 18-20 June 2003, İstanbul,
Turkey
2. G.Ö. Çakal, A. Erdoğdu, N.
Özkar, S. Özkar, İ. Eroğlu, “Simulation of Gypsum Crystallization in Continuous
Boric Acid Reactors by Microfluid and Macrofluid Models”, pp. 50-57, WASIC
Workshop on Advance in Sensoring in Industrial Crystallization, 18-20 June
2003, İstanbul, Turkey
3. A. Erdoğdu, G.Ö. Çakal, S.
Özkar, İ. Eroğlu, “The Effect of Stirring Rate on the Dissolution of Colemanite
and Particle Size of Gypsum Crystals during the Boric Acid Production in a
Batch Reactor”, pp. 319-325, Proceedings
of the 2nd International Boron
Symposium, 23-25 September 2004, Eskişehir, Turkey
4. G.Ö. Çakal, A. Erdoğdu, İ.
Eroğlu, S. Özkar, “Comparison of the Particle Sizes of Gypsum Crystals Obtained
in the Production of Boric Acid by Batch and Continuous Flow Systems”, pp.
311-318, Proceedings of the 2nd International Boron Symposium, 23-25
September 2004, Eskişehir, Turkey
5. G.Ö. Çakal, S. Özkar, İ.
Eroğlu, ”Particle Size Distribution of Gypsum Crystals in Four Continuous Flow
Stirred Slurry Reactors in Series”, VDI-Berichte 1901.1, art. no. B-32, pp.
465-471, VDI Verlag GmbH, Düsseldorf 2005, Proceedings of the16th International
Symposium on Industrial Crystallization, 11-14 September 2005, International
Congress Center, Dresden, Germany
6. G. Çakal, F. Soylu, M.E.
Çelen, S. Şener, S. Taban, S.B. Shukla, “Development of New Boron Micronutrient
and Determination of Product
Applications”, Advances in Plant and Animal Nutrition, Springer, The
Netherlands, 2007, pp. 183-187, Proceedings of the 3rd International Symposium
on All Aspects of Plant and Animal Nutrition, 10-13 September 2005, Huazhong
Agricultural University, Wuhan, China
7. D. Gürhan, İ. Eroğlu, G.Ö.
Çakal, S. Özkar, “Kinetics of Zinc Borate Production Reaction from Zinc Oxide
and Boric Acid”, pp. 231-236, Proceedings of the III. International Boron
Symposium, 2-4 November 2006, Ankara, Turkey
8. Ö. Dervişoğlu, I. Aşar, İ.
Eroğlu, C. Özgen, G.Ö. Çakal, “Inferencial Control of Boric Acid Production
System”, pp. 245-252, Proceedings of the III. International Boron Symposium,
2-4 November 2006, Ankara, Turkey
9. M. Kılınç, S. Yeşil, G.
Çakal, G. Bayram, S. Özkar, and I. Eroğlu, “Production and Characterization of
Hydrated Zinc Borate”, Somer Symposium Series I, page:51, 14-15 May 2007,
Ankara, Turkey (poster presentation)
10. A.G.Çelik, Çakal G.Ö., Nas.
C., Saka M., “Bleaching of Mechanical Pulp with Sodium Perborate”, 19th
Industrial Minerals International Congress & Exhibition, IM19, 30 March – 2
April 2008, Hilton Hotel, Athens, Greece (poster presentation)
(http://www.metalbulletin.com/Events/Details/Element.aspx?eventId=558&typeId=3)
11. M. Kılınç, G. Bayram, A.
Yılmaz, G. Çakal, I. Eroğlu and S. Özkar,
“Characterization of Flame Retardancy and Effect of Synergism on PET
Based Composites via Phosphate Based Flame Retardant Additives”, Proceedings of
the Polymer Processing Society 24th Annual Meeting, PPS-24, June 15-19, 2008
Salerno, Italy
12. B. Baltacı, G. Ö. Çakal, G.
Bayram, İ.Eroğlu, S. Özkar, “Effect of Using Polymeric Additive on the
Synthesis of Zinc Borate”, pp. 160, 6th Chemical Engineering Conference for
Collaborative Research in Eastern Mediterranean Countries, EMCC-6, Atlantis
Hotel, Belek, ANTALYA, TURKEY, March 7-12, 2010 (poster presentation)
13. G.S. Çağlar, G.Ö. Çakal, E.
Yüce, R. Pabuccu, “Evaluation of Serum Boron Levels and Lipid Profiles in
Pregnancy with or without Gestational Diabetes”, ISTERH International Society
For Trace Elements Research in Humans, Trace Elements in Health and
Disease: Essentiality, Toxicity, Rixos
Premium Hotel, Belek, Antalya, Turkey, October 16-21, 2011
14. S.D Cengiz, G. Çağlar, G.
Çakal, “Maternal and Umbilical Cord Blood Boron Levels in Term Gestations” The
14th World Congress on Controversies in Obstetrics, Gynecology &
Infertility, All About Women’s Health, Paris, France, November 17-20, 2011
(poster presentation)
15. A.G.Çelik, Çakal G.Ö., A.M.
Kılıç, “Effect of Temperature on the Thermal and Physical Properties of Espey
Colemanite”, 8th International Industrial Minerals Symposium, İstanbul, Turkey,
November 29-30, 2012.
16. N. Özmeriç, C. Gökmenoğlu,
N. Dökmetaş, G. Çakal, C. Ergene, B. Kaftanoğlu, “Boron Nitride Coating on
Titanium Dental Implants”, American Academy of Periodontology, 99th Annual
Meeting, Philadelphia, Amerika, Ekim 2013
17. G. Ö. Çakal, R. Güven, H.
Yücel, “An Application of LSC Method for the Measurement of Gross Alpha and
Beta Activities in Spiked Water and Drinking Water Samples”, NUTECH-2014,
International Conference on Development and Applications of Nuclear
Technologies, Warsaw, Poland, September 21-24, 2014.
18. C. Gökmenoğlu, N. Özmeriç
Kurtuluş, G. Ö. Çakal, N. Dökmetaş, C. Ergene, B. Kaftanoğlu, “Coating of
Titanium Implants with Boron Nitride by RF-Magnetron Sputtering”, EuroPerio8,
European Federation of Periodontology, Londra, June 3-6, 2015.
19. G. Ö. Çakal, S. Limon, R.
Güven, H. Yücel, “Measurement of 210Pb and 210Po Activity Concentrations in
Certified Lagoon Sediment and Moss Soil By Using LSC and Alpha Particle
Spectrometry”, 3rd International Conference on Po and Radioactive Pb Isotopes,
INCO-PoPb-2015, Kuşadası, Turkey, October 11-14, 2015.
20. R. Güven, G. Ö. Çakal, H.
Yücel, “Measurement of gross alpha and beta activities in drinking water in
ankara by using low level liquid scintillation and gas proportional counting
methods”, Theoretical and Experimental Studies in Nuclear Applications and Technology,
TESNAT 2016, Hatay, Turkey, April 28-30,2016.
21. G.Ö. Çakal, R. Güven, H.
Yücel, ”An application of lsc technique to determine 90Sr/90Y radionuclides in
dry tea samples”, 3rd International Conference on Theoretical and Experimental
Studies in Nuclear Applications and Technology, TESNAT 2017, Adana, Turkey,
10-12 May 2017.
22. H. Yücel, G.Ö. Çakal, R.
Güven, S. Limon, “Determination of optimum parameters for 241Am alpha source
preparation by electrodeposition method”, NUTECH-2017 International Conference
on Developments and Applications of Nuclear Technologies, Krakow, Poland, 10-13
September 2017.
23. N. Ozmeric, C. Gokmenoglu,
G. Cakal, A. Ozmeric, B. Oduncuoglu, B. Kaftanoglu, “Effect of Boron
Nitride-Coating on the Osseointegration of Titanium Dental Implants: A Rabbit
Model”, 28th Annual Scientific Meeting of the European Association for
Osseointegration, EAO 2019, Lisbon, Portugal, 26-28 September 2019.
24. N. Meriç, M. Başdoğan, G.
Çakal, E. Aşlar, E. Şahiner, G.S. Polymeris, “Gamma dose rate effects in
luminescence signals of various dosimetric phosphors”, 19th International
Conference on Solid State Dosimetry (SSD19), Hiroshima City, Japan, 15-20
September 2019.
NATIONAL CONFERENCE PAPERS
1. G.Ö. Yücel, G.A. Gürüz, H.
Yücel, “Termogravimetric Analiz Yöntemi ile Türk Kömürlerinin Karbonizasyon ve
CO2 Aktivasyonu Sonucu Reaksiyona Girme Hızlarının Belirlenmesi”, III. National
Chemical Engineering Congress, Atatürk University, Erzurum, pp. 545-550, 1-4 September
1998.
2. A. Erdoğdu, G.Ö., Çakal,
S.Özkar, İ. Eroğlu, “Investigation of the Dissolution Kinetics of Colemanite
Mineral in Sulphuric Acid” RM-44, 6. National Chemical Engineering Congress,
Ege University, Bornova, İzmir, 2004
3. G.Ö., Çakal, S.Özkar, İ.
Eroğlu, “Effect of Colemanite-Sulphuric Acid Feed Ratio on the Product Purity
in Continuous Flow Stirred Boric Acid Reactors”, RM-43, 6. National Chemical
Engineering Congress, Ege University, Bornova, İzmir, 2004
4. D. Gürhan, G.Ö. Çakal, İ.
Eroğlu, S. Özkar, “Investigation of the Parameters Effecting Zinc Borate
Production in a Batch Reactor”, I. National Boron Workshop, Ankara, pp.
223-230, 28-29 April 2005
5. Ö. Dervişoğlu, I. Aşar, G.
Çakal, İ. Eroğlu, C. Özgen, “Inferencial Control of Boric Acid Production
System”, 8. National Chemical
Engineering Congress, Malatya, 2008
6. A.G. Çelik, M.Saka,
M.E.Çelen, G.Ö. Çakal, “Bleaching of Fresh Paper Pulp in the Mill with Sodium
Perborate Monohydrate”, II. National Boron Workshop, Ankara, pp. 125-131, 17-18
April 2008
7. M. Kılınç, S. Yeşil, G. Çakal, G. Bayram, İ. Eroğlu, S.
Özkar, “Pilot Plant Production and Characterization of 3.5 Mol Hydrated Zinc
Borate”, II. National Boron Workshop, Ankara, 17-18 April 2008
8. M. Kılınç, G. Bayram, A.
Yılmaz, G.Ö. Çakal, İ. Eroğlu, S. Özkar, “Synergistic Effects of Phosphate and
Boron Based Flame Retardants on the Poly(etylene terephytalate) (PET) Based Composites
and Determination of the Flame Behavior and Mechanic Properties of Composites”,
3. National Polymer Science and Technology Congress and Fair, Polymer Science
and Technology Society, Kocaeli University, pp. 46, May 2010.
9. B. Baltacı, G.Ö. Çakal, G.
Bayram, İ. Eroğlu, S. Özkar, “Effect of Surfactant Type on the Zinc Borate
Synthesis” 9. National Chemical Engineering Congress, 2010, Gazi University, June
2010.
PATENTS
1. M. Kılınç, G. Bayram, G.
Çakal, A. Yılmaz, İ. Eroğlu, S. Özkar, “Pet Based Composite Construction
Material and Its Production Process”, TR 2008 04252 B
2. G. Çakal, F. Soylu, M.E.
Çelen, “Sodium Pentaborate and its Production Process” TR 2006 04991 B
3. D. Gürhan, G.Ö. Çakal, İ.
Eroğlu, S. Özkar, “ 3.5 Mole Hydrated Zinc Borate Production” TR 2006 02072 B
4. N. Özmeriç Kurtuluş, G.Ö.
Çakal, C. Gökmenoğlu, B. Kaftanoğlu, “Boron Nitride Coating Method in Implants
and A Boron Nitride Coated Implant Material Produced with This Method”, TR
Patent (under review)
PROJECTS
1. Project No: AFP 96-03-04-02,
METU, Investigator
Determination of the Reactivities of Coals as
a Result of Carbonization and Activation by Thermogravimetric Analysis Process
2.
Project No: BAP- 2001-07-02-02, METU, Investigator
Production of Boric Acid in Continuous Flow
Stirred Slurry Reactors
3.
Project No: BOREN -2005-E0022, Principal Investigator
Enhancement of Zinc Borate Production
Technology and Investigation of Its Use as a Flame Retardant
Budget: 160,500 TL - Duration: 24 months (07/2005 – 10/2007)
4.
Project No: BOREN-2005- B0116, Principal Investigator
Pilot Plant Production of Specialty Boron
Products Used as a Micronutrient in Agriculture and as Flame Retardant and
Insecticide in Wood Applications
Budget: 314,756 TL - Duration: 24 months (11/2004 – 06/2008)
5.
Project No: BOREN-2007-B0188, Investigator
Use of Boron Doped Cement in Concrete Road
Construction
Budget: 1,500,000 TL - Duration: 36 months (09/2007 – 04/2010)
6.
Project No: BOREN -2008 - Ç0179, Supervisor
Production of Small Particle Sized Zinc Borate
and Its Use as a Flame Retardant
Budget: 72,000 TL - Duration: 27 months (01/2008 – 02/2011)
7.
Project No: BOREN-2008- B0201, Investigator
Project Preparation and Concept Development:
Inorganic Borates, Flame Retardancy of Textile Products
Budget: 100,000 TL - Duration: 24 months (03/2008 – 08/2010)
8.
Project No: BOREN- 2011-B0313, Principal Investigator
Technology Planning and Roadmap of Boron
Products and Technologies
Budget: 79,591 TL - Duration: 13 months (01/2011 – 02/2012)
9.
Project No: SBAG – 111S111, TÜBİTAK, Investigator
Surface Properties of Boron Nitride Coated
Titanium Implants
Budget: 147,050 TL - Duration: 24 months (11/2011 – 11/2013)
10. Project No: 12A4045002, Principal Investigator
The Enhancement of Measurement Capacity of Low
Level Radioactivity by Liquid Scintillation Counting System in the Laboratories
of Institute of Nuclear Sciences
Budget: 300,000 TL -
Duration: 18 months (06/2012 –
12/2013)
11. Project No: SBAG – 114S391,
TÜBİTAK, Investigator
Biomechanical and Histomorphometric Evaluation
of Boron Nitrite Coated Titanium Implants
Budget: 252,590 TL - Duration: 24 months (12/2014 – 06/2017)
12. Project No: SBAG – 146012,
TÜBİTAK, Investigator
Development of a Tissue Equivalent Phantom Used
for Quality Control Tests of Mammography Systems and Its Characterization by
Using X-ray Spectroscopy
Budget: 587,163 TL - Duration: 24 months
(10/2015-10/2017)
13. Project No: BAP-16916, Hacettepe
University, Investigator (in progress)
Investigation of Antibacterial Activity of
Boron Nitride Coated Implants in Osteomyelitis Model
Budget: 30,000 TL – Duration: 12 months (03/2018-03/2020)
