Publications
INTERNATIONAL JOURNAL PAPERS:
Y. Yaman, İ. Deniz, G. Köktürk, M. A. Ezan, A. Tokuç, "Advancing Building Energy Simulations: Integrating Photobioreactor Façades for Enhanced Energy Efficiency and Comfort", Energy and Buildings, Ekim 2025.
Y. Yaman, A. Tokuç, I. Deniz, M. A. Ezan, G. Köktürk, M. C. Dalay, Z. Demirel, "Photobioreactor Facade Panels: Enhancing Comfort, Reducing Energy Use, and Capturing Carbon in Temperate Continental Climates", Systems Microbiology and Biomanufacturing, 2025.
N. Altunacar, M. A. Ezan, Y. Yaman, A. Tokuç, B. Budakoğlu, G. Köktürk, İ. Deniz, "Effect of an Algae Integrated Water Wall on Energy Consumption and CO2 emission", International Journal of Global Warming, Ocak 2023.
Y. Yaman, N. Altunacar, A. Tokuç, G. Köktürk, İ. Deniz, M. A. Ezan, "Effects of Photobioreactor Façades on Thermal and Visual Performance of an Office in Izmir",Eskişehir Technical University Journal of Science and Technology A- Applied Sciences andEngineering, 2022.
Y. Yaman, A. Tokuç, G. Köktürk, "Towards Carbon-Neutral Settlements with Algae", Tasarım ve Mimarlık Dergisi, 2022.
A. S. Çıldır, A. Tokuç, G. Köktürk, "Design Approaches for Retrofitting Offices to Reach Nearly Zero Energy: A Case Study in the Mediterranean Climate", Energy for Sustainable Development, 2020.
F. A. Özkaban, T. D. A. Altun, A. Tokuç, Ö. A. Çakır, G. Köktürk, A. Şendemir, "A New Dimension in the Relationship Between Architecture and Nature: Biodesign", 2020.
A. Tokuç, G. Köktürk, K. Savaşır, "Living Facades with Algae", Mimarlık, 2019.
T. Keskin, I. Deniz, A. Aric, B. T. Yilmazsoy, O. A. Cakir, A. Erdoğan, D. Altun, A. Tokuç, B. F. Demirci, A. S. Urkmez, G. Köktürk, F. Özkaban, "Development of Ecological Biodesign Products by Bacterial Biocalcification", European Journal of Engineering and Natural Sciences, 2019.
G. Köktürk, A. Tokuç,"Vision for Wind Energy with a Smart Grid in Izmir", Renewable and Sustainable Energy Reviews, 2017.
A. Tokuç, G. Köktürk, "Sustainability in The City Scale to Fight Global Warming", Int. J. Global Warming, 2011.
İ. Yilmazlar, G. Köktürk, "Failure Analysis in Power System by the Discrete Wavelet Transform", Wseas Transactions on Power Systems, Vol. 5, Issue 1, 2010.
Ö. Tamer, G. Köktürk, "Analysis of The Application of The Stationary Wavelet Transform to the Direction of Arrival Estimation", Frequenz Journal Of Telecommunication, pp. 246-248, 2004.
G. Köktürk, "Bivariate Correlation Analysis for Electronics Engineering Program in Higher Education", Journal of Electrical&Electronics Engineering, 2004.
NATIONAL JOURNAL PAPERS:
G. Köktürk, Y. Yaman, A. Tokuç, "Parametric Analysis of the Effects of a Biomass-Producing Façade Element on Energy Performance, Daylighting, and Thermal Comfort in the Climate of Ankara", Eksen, 2022 (in Turkish).
I. Deniz, T. K. Gündoğdu, A. Tokuç, A. Ş. Ürkmez, G. Köktürk, Ö. A. Çakır, D. A. Altun, "Final Declaration of the 1th Workshop on Biodesign at the Intersection of Creativity and Bioengineering", DEÜ Journal of Science and Engineering, 2016 (in Turkish).
Güngör M. A., Sarı C., Köktürk G., "Dept Determination of Simple Shaped Bodies from Total Field Magnetic Anomalies using Walsh Hadamard Transform", Geophysics, 2015 (in Turkish).
Köktürk G., Akkurt H. B., Tokuç A., "Isem Rising Social Consciousness in the Field of Renewable Energy; İzmir Sustainable Energy Museum", DEÜ Journal of Science and Engineering, September 2015 (in Turkish).
Ö. Köktürk, G. Köktürk,"Stuxnet: An Example of Siber Fighting for SCADA Systems", Journal of Automotion, April 2013 (in Turkish).
G. Köktürk, A. Tokuç,"Sustainable Campus: Examples in World and Turkey", 3e Electrotech, 226/2013 (in Turkish).
G. Köktürk, A. Tokuç,"New Technologies can be produced from Wind Power in Future", 3e Electrotech, no. 177, pp. 254-258, 2009 (in Turkish).
B. Karahoda, G. Köktürk, "Gall-Bladder Ultrasonic Image Analysis by Using Stationary Wavelet Transform", DEÜ Journal of Science and Engineering, Vol. 10, Issue 2, May 2008.
G. Köktürk, "Performance Criterions Comparison of the Short Time Fourier Transform with Different Orthogonal Transforms ", DEÜ Journal of Science and Engineering, Vol. 8, no. 3, 2006 (in Turkish).
G. Köktürk, "Performance Comparison for the Short Time Fourier Transform", DEÜ Journal of Science and Engineering, Vol. 8, no. 3, 2006 (in Turkish).
G. Köktürk, "Bivariate Correlation Analysis for Electronics Engineering Program in Higher Education", Journal Of Electrical and Electronics Engineering, Vol. 4, no. 2, pp. 1123-1129, 2004.
Ö. Tamer, G. Köktürk, K. Özmehmet, "Direction of Arrival Estimation Using Maximum Likelihood Method in Uniform Linear Antenna Arrays", DEÜ Journal of Science and Engineering, Vol. 4, no. 3, 2002 (in Turkish).
G. Köktürk, K. Özmehmet, "Determining QRS Complex with Wavelet Analysis in Ventricular Fibrilation Diagnosis", DEÜ Journal of Science and Engineering, Vol. 3, no. 1, 2001 (in Turkish).
INTERNATIONAL CONFERENCE PUBLICATIONS:
Gündoğdu T. K., Deniz İ. C., Arıç A., Yılmazsoy B. T., Çakır Ö. A., Erdoğan A., Köktürk G., Ürkmez A. Ş., Altun T. D., Özkaban F., Tokuç A., Demirci B. F., "Development of Ecological Biodesign Products by Bacterial Biocalcification", 4th International Conference on Engineering and Natural Science (ICENS18), Kyiv, Ukraina, May 2018.
Tokuç A., Köktürk G., "The Effect of Thermal Energy Storage within Transparent Façade Elements for Thermal and Visual Comfort in Offices", 14th International Conference on Energy Storage (EnerSTOCK18), Adana, Türkiye, April 2018.
Köktürk G., Tokuç A., "District Storage for Climatization of Tall Buildings in Bayraklı Region of İzmir", 14th International Conference on Energy Storage (EnerSTOCK18), Adana, Türkiye, April 2018.
Deniz İ. C., Gündoğdu T. K.., Tokuç A., Ürkmez A. Ş., Köktürk G., Yılmazsoy T. B., Arıç A., Çakır Ö. A., Altun T. D., Özkaban F., "Design and Optimization of Biocalcification Medium", International Conference on Technology, Engineering and Science (ICONTES), Antalya, Türkiye, October 2017.
Tokuç A., Köktürk G., Savasır K., "A Design Option to Decrease Building Related Carbon Emissions: Algaetecture", 12th International Green Energy Conference, Xi’an Shaanxi, China, July 31-August 3, 2017.
Tokuç A., Köktürk G., "Carbon Capture in Façades via Building Integrated Photobioreactors", SolarTR, Türkiye, December 2016.
Köktürk G., Tokuç A., Ünal A., "Control System for a Novel Photobioreactor in the Building Envelope", 8th International Exergy, Energy and Environment Symposium, Türkiye, May 2016.
Tokuç A., Köktürk G., "The Science and Art of Architectural Lighting Using Smart Material", 46th International Congress and Exhibition on Heating, Refrigeration and Air Conditioning, Sirbia, December 2015.
Köktürk G., "A Possibilities of Protocell in Biodesign", 7th International Bioengineering Congress, Türkiye, November 2015.
Ünal A., Tokuç A., Köktürk G., " A Novel Photobioreactor in the Building Envelope", 7th International Bioengineering congress, Türkiye, November 2015.
Tokuç A., Köktürk G., "Thermal Energy Storage in the Road to Zero Energy Housing: Solar Decathlon Europe 2014 Competition", Greenstock 2015, China, May 2015.
Tokuç A., Köktürk G., "Carbon Neutrality in University Campuses", 2rd International Conference on Environment, Energy, Ecosystems and Development, Greece, November 2014.
Tokuç A., Köktürk G., "Reaching for and Learning from Carbon Neutral Campuses", Energy Efficient Buildings and Use of Renewable Energies, Türkiye, October 2014.
Bombar G., Köktürk G., "Application of Short Time Fourier Transform on Stationary and Nonstationary Data", International Symposium on Innovative Technologies in Engineering and Science, Türkiye, June 2013.
Köktürk G., "Barbaros Hayrettin Pasha in Turkish Maritime History: Life, Trace and Importance by Maritime History", International Conference on Piri Reis and Turkish Maritime History, İstanbul, Türkiye, September 2013.
G. Köktürk, A. Tokuç, "Potential for Renewable Energy Resources in Strategic Planning of Tinaztepe Campus", Energy and Environment EE'12 Congress, Greece, pp. 354-358, July 2012.
A. Tokuç, G. Köktürk, "A Proposal to Improve Tinaztepe Campus by Use of Renewables and Energy Storage Technologies", Palenc2010-3rd International Conference on Passive and Low Energy Cooling for the Built Enviroment, Greece, September 2010.
İ. Yilmazlar, G. Köktürk, "Power System Failure Analysis by Using The Discrete Wavelet Transform", 10th WSEAS International Conference on Wavelet Analysis and Multirate Systems, Tunus, May 2010.
B. Karahoda, G. Köktürk, "Gall Bladder Ultrasonic Image Analysis by Using Discrete Wavelet Transform", 6th International Conference on Electrical and Electronics Engineering, Bursa, pp. 97-100, November 2009.
A. Tokuç, G. Köktürk, H. Birol Akkurt, "ISEM Raising Social Consciousness in the field of Renewable Energy; Izmir Sustainable Energy Museum", 8th International Conference on Sustainable Energy Technologies-SET2009, Germany, August 2009.
A. Tokuç, G. Köktürk, "Sustainability in the city Scale to fight Global Warming", Global Conference on Global Warming 2009, Istanbul, July 2009.
Y. Öztürk, G. Köktürk, "An Investigation of Noise Resistance of Speech Strategies in Cochlear Inplants", 5th International Conference on Electrical and Electronics Engineering, Bursa, pp. 340-344, December 2007.
T. D. A. Altun, G. Köktürk, "Will Utopias be Real? Microtechnology and Living Architecture", Livenarch III- Livable Environments Architecture, Trabzon, July 2007.
S. Bölgen, G. Köktürk, "EEG Spike Classification with Template Matching Algorithm", XIII. Turkish Syp. on Artificial and Neural Networks, Izmir, pp. 473-482, July 2004.
G. Sağdıç, G. Köktürk,"Student Performance Analysis Using Bivariate Correlation for Higher Academic Success in Electronics Engineering Program", E-Learning in Corporate, Healtcare, Goverment and Higher Education/E-LEARN 2002, Canada, pp. 902-904, October 2002.
G. Köktürk, "A Real-Time Simulated QRS Detection System Constructed Using Wavelet Filtering Technique", IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, USA, pp. 281-284, October 1998.
G. Köktürk, K. Özmehmet, "A New Approach to Syntactic QRS Detection for Filter Analyzing Step",International Conference on Signal Processing Applications and Technology, Canada, pp. 193-197, September 1998.
NATIONAL CONFERENCE PUBLICATIONS (IN TURKISH):
Tokuç A., Köktürk G., "Smart Building of Future-Solar Decathlon Europe 2014 Sample", 4th National Congress and Exhibition of Electric Installation, Türkiye, October 2015.
G. Köktürk, Y. Öztürk, "A New Speech Strategy Using Wavelet Packet Transform in Cochlear Implant Systems", 15th Biomedical Engineering Congress, Antalya, April 2010.
A. Tokuç, G. Köktürk, "Suggestions Purposed to Increase Usage of Renewable Energy Sources for Local Goverments in Izmir City Scale", 11. Türkiye Energy Congress, October 2009.
G. Köktürk, H. Öztura,"Current and Voltage Harmonic Analysis of Arc Furnace Using Wavelet Transform", 3th Energy Efficiency and Qualitiy Symposium-EVK 2009, Kocaeli, pp. 196-200, May 2009.
Öztürk Y., Köktürk G., "An Investigation of Noise Resistance of Speech Strategies in Cochlear Implants", 5th International Conference on Electrical and Electronics Engineering, Bursa, pp. 340-344, December 2007.
T. D. A. Altun, G. Köktürk, "From Utopias to Real: Effects of Nature Science to Architecture-Robotic, Genetic and Nanotechnology", 15th Year Engineering Architecture Symposium, Isparta, pp. 60-68, November 2007.
S. Bölgen, G. Köktürk, "Spike Detection Using Template Matching Algorithm", AYSU_INISTA, Innovation and Applications Symposium in Intellicent Systems, Istanbul, pp. 141-144, June 2004.
Ö. Tamer, G. Köktürk, "Statistical Analysis of Different Wavelet Functions in Direction of Arrival", IEEE 12th Signal Processing and Applications Congress, Kuşadası, pp. 100 103, April 2004.
H. Öztürk, G. Köktürk,"A New Approach on Short Time Brain Signal Analysis with Gabor Entropy", International XII. Turkish Symposium on Artificial Intelligence-TAINN 2003, Çanakkale, July 2003.
Ö. Tamer, G. Köktürk,"Usage of Different Wavelet Algorithms in Direction of Arrival", Signal Processing and Applications Congress, Istanbul, pp. 100-103, June 2003.
Sagdiç G, Köktürk G,"Statistical Investigation of Chemistry Education in Electronics Engineering Program using Bivariate Correlation", Signal Processing and Applications Congress, Denizli, pp. 389-393, June 2002. pdf
G. Köktürk, K. Özmehmet,"A New Method of Late Potential Diagnosis", Biyomed5, Ankara, pp. 26-27, December 1998.
G. Köktürk, K. Özmehmet, "Comparision of Various Transforms with Different Performance Methods in Communication of ECG Data on Telephone Line", 5th Signal Processing and Applications Congress, Kusadasi, pp. 752-757, May 1997.
G. Köktürk, K. Özmehmet, "Applied Comparision of Hermite Transform with Other Transforms in Data Compression", Nevsehir, 3th Signal Processing and Applications Congress, pp. 186-190, Nisan 1995.
G. Köktürk, K. Özmehmet,"Brain Analysis with Signal Processing Techniques and Usage in Diagnosis", 5th National Electrical Engineering Congress, Trabzon, pp. 903-906, September 1993.
Köktürk G., Severcan. M., "Effects of Narrow Band Noise Interference in Amplitude Modulation", Undergraduate Research Project, Dokuz Eylül University Press, 1987.
BOOKS AND BOOKS CHAPTERS:
I. Kale, O. Kırdök, E. Bilgi, T. D. Altun, A. Tokuç, G. Köktürk, F. Özkaban, A. Şendemir, Ö. A. Çakır, E. E. Hameş, "Potential of Bacterial Cellulose for Sustainable Cities: A Review and Bibliometric Analysis on Bacterial Cellulose", A Sustainable Green Future Perspectives on
Energy, Economy, Industry, Cities and Environment, ISBN: 978-3-031-24942-6, 2023.
G. Köktürk, "Biomimicry", Encyyclopedia of Sustainable Management, Edt: Samuel Idowu (Editor), René Schmidpeter (Editor), Nicholas Capaldi (Editor), Liangrong Zu (Editor), Mara Del Baldo (Editor), Rute Abreu (Editor), Berlin, ISBN: 9783031259838, 2022.
O. Kırdök, T. D. Altun, H. Dahy, L. Strobel, E. H. Tuna, G. Köktürk, Ö. A. Çakır, A. Tokuç, F. Özkaban, A. Şendemir, "Design Studies and Applications of Mycelium Biocomposites in Architecture", Biomimicry for Materials, Design and Habitats Innovations and Applications, Edt: MArjan Egermont, Vikram Shyam, Aloysius F.Hepp, Amsterdam, ISBN: 978-0-12-821053-6, Ocak 2022.
G. Köktürk, "Energy Conservation: More Efficient Use of Energy", Encyclopedia of Sustainable Management, Edt: Idowu S., Schmidpeter R., Capaldi N., Zu L., Del Baldo M., Abreu R., Cham, ISBN: 978-3-030--02006-4, 2021.
G. Köktürk, A. Tokuç, "Energy Demand Management", Encyclopedia of Sustainable Management, Edt: Idowu S., Schmidpeter R., Capaldi N.,
Zu L., Del Baldo M., Abreu R., Cham, ISBN: 978-3-031-25983-8, 2021.
A. Tokuç, G. Köktürk, "Smart Cities", Encyclopedia of Sustainable Management, Edt: Idowu S., Schmidpeter R., Capaldi N., Zu L., Del Baldo M., Abreu R., Cham, ISBN: 978-3-031-25983-8, 2021.
G. Köktürk, "Global Warming", Encyclopedia of Sustainable Management, Edt: Samuel Idowu, René Schmidpeter, Nicholas Capaldi, Liangrong Zu, Mara Del Baldo,Rute Abreu, 2020.
E. Güller, A. Tokuç, G. Köktürk, K. Savaşır, "Environmental Problems and Solution Proposals from the Perspective of Secondary School Students", Environmentally-Benign Energy Solutions. Green Energy and Technology., Edt: İbrahim Dinçer, Can Özgür Çolpan, Mehmet Akif Ezan, Cham, ISBN: 978-3-030-20636-9, 2020.
G. Köktürk, A. Tokuç, T. D. Altun, I. Kale, F. Özkaban,Ö. A. Çakır, A. Şendemir, "Experimental and Numerical Shortes Route Optimization in Generating a Design Template for a Recreation Area in Kadifekale", Environmentally-Benign Energy Solutions, Edt: İbrahim Dinçer, Can Özgür Çolpan, Mehmet Akif Ezan, Springer, Switzerland, ISBN: 978-030-20636-9, Ocak 2020.
E. Güller, A. Tokuç, G. Köktürk, K. Savaşır, Nature and Architecture for Young Designers: Inspired by Nature, Designing for Nature, Edt: Ebru Güller, Nobel Bilimsel Eserler, Ankara,ISBN: 978-605-69287-4-1, 2019.
Köktürk G., Ünal A., Tokuç A., "A New Approach for a Control System of an Innovative Building-Integrated Photobioreactor", Exergetic, Energetic and Environmental Dimensions, 978-0-12-813734-5, Elsevier Inc., pp. 71-85, 2018.
G. Köktürk, "Wavelet Based Speech Strategy in Cohlear Implant", Cochlear Implant Research Updates, 978-953-51-0582-4, InTech Publishing, Rijeka, pp. 39-58, 2012.
G. Köktürk, A. Tokuç, A. Ö. Gökdoğan, A. Türkel, A. C. Yel, B. Dervişcemaloğlu, B. Kavacık, B. Anladı, H. C. Dinçer, E. Bahar, E. Nasiboğlu, E. Karadavut, H. E. Erdin, H. Kaşıkaraü M. B. Eriş, M. S. Çınarlı, M. B. Paksoy, N. Akpulut, "Transportation, Energy Usage", Izmir City Health Development Plane, 978-975-18-0124-1, İzmir, pp. 48-52, 2011.
Tokuç A., Köktürk G., Eryil B., Şencanbaz C., Kutluca K., Can O. N., Sevinç Ö., "Energy", Izmir City Health Profile, 978-975-18-0111-1, İmaj Matbaacılık, İzmir, pp. 176-184, 2009. Profile page
BOOKS EDITOR IN SCIENTIFIC PUBLICATIONS:
Köktürk G., Altun T. D., Interdisciplinary Expansions in Engineering and Design with the Power of Biomimicry, InTech Publishing, Rijeka, 2018.
A. O. Karababa, T. D. A. Altun, G. Köktürk, Izmir City Health Profile, ISBN: 978-975-18-0111-1, Imaj Matbaacilik, Izmir, 2009.
EXHIBITIONS:
Altun D. A., Tokuç A., Özkaban F., Köktürk G., Gündoğdu T. K., Deniz İ., Çakır Ö. A., Ürkmez A. Ş., 2th Biodesign Workshop, Good Design İzmir, 16-18 October 2017.
Altun D. A., Tokuç A., Köktürk G., Çakır Ö. A., Ürkmez A. Ş., Gündoğdu T. K., Deniz İ., Sand Architectures, EXPO 2016, Antalya, 23 April-30 October 2016.
Altun D. A., Tokuç A., Özkaban F., Köktürk G., Gündoğdu T. K., Deniz İ., Çakır Ö. A., Ürkmez A. Ş., 1st Workshop on Biodesign at the Intersection of Creativity and Bioengineering, 7th International Bioengineering Congress (BEC2015), İzmir, 19-21 November 2015.
Köktürk G., International Gaziantep Mosaic Competition Exhibition, 22-24 October 2015.
Köktürk G., 90 pieces of art international mosaic exhibition for in the 90th anniversary of Turkish Republic, 27-30 October 2013.
AWARDS:
Jury special prize of free material mosaic category in International Gaziantep Mosaic Competation 2015.