Ilke Pala Ozkok

Associate Professor

Ilke Pala Ozkok

Contact

Telephone: 51832890

Email: ilke.palaozkok@uis.no

Room: KE C-227

Department

Faculty of Science and Technology

Department of Chemistry, Bioscience and Environmental Engineering

About me

PROFESSIONAL RECORD

  • Assoc. Prof. at University of Stavanger, Faculty of Science and Technology, Dept. of Chemistry, Bioscience and Environmental Engineering
  • Assoc. Prof. at Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department
  • Post Doctoral Researcher at Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department
  • Visiting Researcher at Albert Ludwig’s Universitaet Freiburg, Universitaets Klinikum, Institut für Umweltmedizin und Krankenhaushygiene (Department of Environmental Health Sciences)
  • Research and Teaching Assistant at Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department

My research

  • Activated Sludge Modelling
  • Next Generation DNA Sequencing Techniques and Data Analysis
  • Microbial Population Dynamics 
  • Effects of Specific Pollutants on Biological Treatment Systems
  • Determination of Antibiotic Resistance Genes
  • Environmental Microbiology

Academic background

  • Ph.D in Environmental Biotechnology, Istanbul Technical University, Graduate School of Science Engineering and Technology
  • MSc in Molecular Biology and Genetics, Istanbul Technical University, Science and Letters Faculty, Molecular Biology and Genetics Department
  • BSc in Environmental Engineering, Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department

Publications

Vitenskapelige publikasjoner

Pala-Ozkok, Ilke; Katipoglu-Yazan, Tugce; Olmez-Hanci, T; Jonas, Daniel; Ubay-Cokgor, Emine; Orhon, Derin

(2024)

Impact of acute and chronic exposure to sulfamethoxazole on the kinetics and microbial structure of an activated sludge community.

Frontiers in Antibiotics.

Volum 3.

DOI: 10.3389/frabi.2024.1335654

Ciftcioglu-Gozuacik, Bengisu; Pala-Ozkok, Ilke; Ubay-Cokgor, Emine

(2024)

Effect of culture history and carbon sources on polyhydroxyalkanoates production in activated sludge systems.

Environmental technology.

ISSN 0959-3330.

DOI: 10.1080/09593330.2024.2406987

Demirkaya, Esma; Ciftcioglu, Bengisu; Ozyildiz, Goksin; Zengin, Gulsum Emel; Pala-Ozkok, Ilke; Cokgor, Emine; Tas, Didem Okutman

(2022)

Comprehensive evaluation of starter culture impact on the bioreactor performance and microbial kinetics.

Biochemical engineering journal.

ISSN 1369-703X.

Volum 177.

DOI: 10.1016/j.bej.2021.108233

Insel, Güçlü; Ozyildiz, Goksin; Okutman-Tas, Didem; Guven, Didem; Zengin, Gulsum Emel; Pala-Ozkok, Ilke; Sagir Kurt, Ece; Atli, Ezgi; Artan, Nazik; Takács, Imre; Cokgor, Emine

(2022)

A comprehensive evaluation of process kinetics: A plant-wide approach for nutrient removal and biogas production.

Water Research.

ISSN 0043-1354.

Volum 217.

DOI: 10.1016/j.watres.2022.118410

Basiry, Daniel; Entezari Heravi, Nooshin; Uluseker, Cansu; Kaster, Krista Michelle; Kommedal, Roald; Pala-Ozkok, Ilke

(2022)

The effect of disinfectants and antiseptics on co- and cross-selection of resistance to antibiotics in aquatic environments and wastewater treatment plants.

Frontiers in Microbiology.

ISSN 1664-302X.

Volum 13.

DOI: 10.3389/fmicb.2022.1050558

Pala-Ozkok, Ilke; Zengin, Gulsum Emel; Okutman Tas, Didem; Yagci, Nevin; Guven, Didem; Insel, H. Guclu; Cokgor, Emine

(2022)

Polyhydroxyalkanoate production from food industry residual streams using mixed microbial cultures. I: Clean energy and resource recovery : Wastewater treatment plants as biorefineries, Volume 2.

Elsevier.

ISBN 978-0-323-90178-9.

s.265-284.

DOI: 10.1016/B978-0-323-90178-9.00010-X

Olmez-Hanci, T; Pala-Ozkok, Ilke; Orhon, Derin; Sozen, Seval

(2022)

Advanced Oxidation of Segregated Streams for Effective Color Removal from Denim Processing Effluents.

Biointerface Research in Applied Chemistry.

ISSN 2069-5837.

Volum 12.

Hefte 1.

s.391-404.

Uluseker, Cansu; Kaster, Krista Michelle; Thorsen, Kristian; Basiry, Daniel; Shobana, Sutha; Jain, Monika; Kumar, Gopalakrishnan; Kommedal, Roald; Pala-Ozkok, Ilke

(2021)

A Review on Occurrence and Spread of Antibiotic Resistance in Wastewaters and in Wastewater Treatment Plants: Mechanisms and Perspectives.

Frontiers in Microbiology.

ISSN 1664-302X.

Volum 12.

DOI: 10.3389/fmicb.2021.717809

Guventurk, Ayse; Ozturk, Dilara; Ozyildiz, Goksin; Ayisigi, Ezgi; Guven, Didem; Zengin, Gulsum Emel; Okutman Tas, Didem; Olmez-Hanci, Tugba; Pala-Ozkok, Ilke; Yagci, Nevin; Insel, Güclü; Cokgor, Emine

(2020)

Determination of the potential of pickle wastewater as feedstock for biopolymer production .

Water Science and Technology.

ISSN 0273-1223.

Volum 81.

Hefte 1.

s.21-28.

DOI: 10.2166/wst.2020.060

Ciftcioglu, Bengisu; Demirkaya, Esma; Saleh, Esra; Soylu, Dilsad; Ozyildiz, Goksin; Zengin, Gulsum Emel; Guven, Didem; Topuz, Emel; Pala-Ozkok, Ilke; Insel, Güclü; Cokgor, Emine; Okutman Tas, Didem

(2020)

Insights into the acute effect of anti-inflammatory drugs on activated sludge systems with high solids retention time.

Environmental technology.

ISSN 0959-3330.

DOI: 10.1080/09593330.2020.1761456

Zengin, Gulsum Emel; Pala-Ozkok, Ilke; Okutman Tas, Didem; Yangin-Gomec, Cigdem; Altinbas, Mahmut; Cokgor, Emine

(2020)

Impact of ultrasonic pre-treatment on domestic sludge digestion performance and microbial community dynamics.

Environmental technology.

ISSN 0959-3330.

Volum 41.

Hefte 7.

s.931-943.

DOI: 10.1080/09593330.2018.1515264

Pala Ozkok, Ilke; Ubay-Cokgor, Emine; Jonas, Daniel; Orhon, Derin

(2018)

Kinetic and microbial response of activated sludge community to acute and chronic exposure to tetracycline.

Journal of Hazardous Materials.

ISSN 0304-3894.

Volum 367.

s.418-426.

DOI: 10.1016/j.jhazmat.2018.12.094

Pala-Ozkok, Ilke; Kor-Bicakci, Gokce; Cokgor, Emine; Jonas, Daniel; Orhon, Derin

(2018)

Microbial endogenous response to acute inhibitory impact of antibiotics.

Environmental technology.

ISSN 0959-3330.

Volum 39.

Hefte 13.

s.1626-1637.

Yagci, Nevin; Pala-Ozkok, Ilke; Sarialioglu, F; Alli, B; Artan, Nazik; Orhon, Derin; Sozen, Seval

(2018)

Respirometric anatomy of the OSA process: Microbial basis of enhanced sludge reduction mechanism.

Journal of chemical technology and biotechnology (1986).

ISSN 0268-2575.

Volum 93.

Hefte 12.

s.3462-3471.

Cokgor, E; Pala-Ozkok, Ilke; Guven, Didem; Zengin, Gulsum Emel; Okutman Tas, Didem; Yagci, Nevin; Sayi Ucar, N; Ozyildiz, Goksin; Insel, Güçlü

(2018)

Microbial biopolymers: overview on the use of polyhydroxyalkanoates in bioplastic production .

Chamber of Environmental Engineers Technical Journal of Environmental Science and Technology.

ISSN 1302-5627.

Volum 3.

s.21-52.

Kor-Bicakci, Gokce; Pala-Ozkok, Ilke; Ural, Aslihan; Jonas, Daniel; Orhon, Derin; Cokgor, Emine

(2016)

Is the chronic impact of sulfamethoxazole different for slow growing culture? The effect of culture history.

Bioresource Technology.

ISSN 0960-8524.

Volum 206.

s.65-76.

Pala-Ozkok, Ilke

(2016)

Acute impact of dimethyl phthalate on activated sludge nitrification kinetics.

Desalination and Water Treatment.

ISSN 1944-3994.

Volum 57.

Hefte 22.

s.10278-10390.

Karahan-Ozgun, Ozlem; Pala-Ozkok, Ilke; Kutay, Can; Orhon, Derin

(2016)

Characteristics and Biodegradability of Olive Mill Wastewaters.

Environmental technology.

ISSN 0959-3330.

Volum 37.

Hefte 10.

s.1240-1248.

Sozen, Seval; Pala-Ozkok, Ilke; Aysel, M; Teksoy-Basaran, Senem; Akarsubasi, A; Ergal, I; Kurt, Halil; Cokgor, Emine; Orhon, Derin

(2015)

Performance and microbial behavior of submerged membrane bioreactor at extremely low sludge ages.

Desalination and Water Treatment.

ISSN 1944-3994.

Volum 56.

Hefte 4.

s.862-874.

Pala-Ozkok, Ilke; Cokgor, Emine; Cakar, ZP; Orhon, Derin

(2014)

Acute impact of erythromycin on substrate utilization by activated sludge: Effect of sludge age.

Journal of chemical technology and biotechnology (1986).

ISSN 0268-2575.

Volum 89.

Hefte 7.

s.1091-1102.

Pala-Ozkok, Ilke; Kor-Bicakci, Gokce; Ural, Aslihan; Katipoglu-Yazan, Tugce; Yagci, Nevin; Cokgor, Emine; Orhon, Derin

(2014)

Acute impact of sulfamethoxazole on the utilization of simple and complex substrates by fast growing microbial culture.

Journal of chemical technology and biotechnology (1986).

ISSN 0268-2575.

Volum 89.

Hefte 14.

s.603-615.

Biros, Y; Cokgor, Emine; Yagci, Nevin; Pala-Ozkok, Ilke; Cakar, ZP; Sozen, Seval; Orhon, Derin

(2014)

Effect of acetate to biomass ratio on polyhydroxybutyrate generation in fast growing microbial culture.

Bioresource Technology.

ISSN 0960-8524.

Volum 171.

s.314-322.

Katipoglu-Yazan, Tugce; Pala-Ozkok, Ilke; Cokgor, Emine; Orhon, Derin

(2014)

Impact of tetracycline and erythromycin on the storage mechanism of polyhydroxyalkanoates.

Biochemical engineering journal.

ISSN 1369-703X.

Volum 91.

s.283-289.

Pala-Ozkok, Ilke; Rehman, Ateequr; Jonas, Daniel; Cokgor, Emine; Orhon, Derin

(2014)

Pyrosequencing reveals the effect of chronic exposure to erythromycin on activated sludge bacterial community structure.

Biochemical engineering journal.

ISSN 1369-703X.

Volum 90.

s.195-205.

Kor-Bicakci, Gokce; Pala-Ozkok, Ilke; Rehman, Ateequr; Jonas, Daniel; Cokgor, Emine; Orhon, Derin

(2014)

Chronic impact of sulfamethoxazole on acetate utilization kinetics and population dynamics of fast growing microbial culture.

Bioresource Technology.

ISSN 0960-8524.

Volum 166.

s.219-228.

Sozen, Seval; Cokgor, Emine; Teksoy-Basaran, Senem; Aysel, M; Akarsubasi, A; Ergal, I; Kurt, Halil; Pala-Ozkok, Ilke; Orhon, Derin

(2014)

Effect of high loading on substrate utilization kinetics and microbial community structure in super-fast submerged membrane bioreactor.

Bioresource Technology.

ISSN 0960-8524.

Volum 159.

s.118-127.

Pala-Ozkok, Ilke; Orhon, Derin

(2013)

Chronic effect of erythromycin on substrate biodegradation kinetics of activated sludge.

Biochemical engineering journal.

ISSN 1369-703X.

Volum 81.

s.29-39.

Katipoglu-Yazan, Tugce; Pala-Ozkok, Ilke; Cokgor, Emine; Orhon, Derin

(2013)

Acute impact of erythromycin and tetracycline on the kinetics of nitrification and organic carbon removal in mixed microbial culture.

Bioresource Technology.

ISSN 0960-8524.

Volum 144.

s.410-419.

Pala-Ozkok, Ilke; Rehman, Ateequr; Kor-Bicakci, Gokce; Ural, Aslihan; Schilhabel, Markus B.; Cokgor, Emine; Jonas, Daniel; Orhon, Derin

(2013)

Effect of sludge age on population dynamics and acetate utilization kinetics under aerobic conditions.

Bioresource Technology.

ISSN 0960-8524.

Volum 143.

s.68-75.

Pala-Ozkok, Ilke; Rehman, Ateequr; Yagci, Nevin; Cokgor, Emine; Jonas, Daniel; Orhon, Derin

(2012)

Characteristics of Mixed Microbial Culture at Different Sludge Ages: Effect on Variable Kinetics for Substrate Utilization.

Bioresource Technology.

ISSN 0960-8524.

Volum 126.

s.274-282.

Pala-Ozkok, Ilke; Katipoglu-Yazan, Tugce; Cokgor, Emine; Insel, H. Guclu; Talinli, I; Orhon, Derin

(2011)

Respirometric Assessment of Substrate Binding by Antibiotics in Peptone Biodegradation.

Journal of Environmental Science and Health. Part A: Toxic/Hazardous Substances and Environmental Engineering.

ISSN 1093-4529.

Volum 46.

s.1588-1597.

Ciggin, A; Pala-Ozkok, Ilke; Katipoglu, Tugce; Dulekgurgen, E; Meric, Sureyya; Orhon, Derin

(2011)

Research Potential of Doctoral Studies on Environmental Sciences and Engineering.

Desalination and Water Treatment.

ISSN 1944-3994.

Volum 26.

Hefte 1-3.

s.3-13.

Arslan-Alaton, I; Olmez-Hanci, T; Karahan, Ozlem; Pala-Ozkok, Ilke; Orhon, Derin

(2011)

Purification of surfactants by advanced oxidation processes: Process optimization and toxicity analysis .

Water Pollution Control Journal.

ISSN 1301-1588.

Volum 21.

Hefte 1.

s.69-80.

Sozen, Seval; Orhon, Derin; Cokgor, E; Insel, G; Karahan, Ozlem; Yagci, N; Dogruel, S; Zengin, Gulsum Emel; Olmez-Hanci, T; Okutman Tas, D; Dulekgurgen, E; Ciggin, A; Pala-Ozkok, Ilke; Katipoglu, Tugce

(2009)

Model-based process optimization in advanced biological wastewater treatment plants.

ITU Journal/e Water Pollution Control.

ISSN 1307-2021.

Volum 19.

Hefte 1-2.

s.101-110.

Pala-Ozkok, Ilke; Kolukirik, M; Insel, Güçlü; Ince, O; Cakar, ZP; Orhon, Derin

(2008)

Fluorescence in situ hybridization (FISH) for the assessment of nitrifying bacteria in a pilot-scale membrane bioreactor.

Fresenius Environmental Bulletin (FEB).

ISSN 1018-4619.

Volum 17.

Hefte 11.

s.2255-2261.

Insel, Güçlü; Karahan, Ozlem; Pala-Ozkok, Ilke; Katipoglu, Tugce; Cokgor, Emine; Orhon, Derin

(2006)

Unified basis for the respirometric evaluation of inhibition for activated sludge.

Journal of Environmental Science and Health. Part A: Toxic/Hazardous Substances and Environmental Engineering.

ISSN 1093-4529.

Volum 41.

Hefte 9.

s.1763-1780.

Bøker og kapitler

Pala-Ozkok, Ilke; Orhon, Derin

(2012)

Inhibitory Impact of Selected Antibiotics on Biodegradation Characteristic and Microbial Population under Aerobic Conditions.

Formidling

Entezari Heravi, Nooshin; Pala-Ozkok, Ilke; Kommedal, Roald

(2022)

Understanding the impacts of chloroxylenol antimicrobial on biological wastewater treatment systems.

6th International Symposium on the Environmental Dimension of Antibiotic Resistance;

2022-09-22 - 2022-09-27.

Soylu, Dilsad; Ozyildiz, Goksin; Ozturk, D; Ciftcioglu-Gozuacik, B; Pala-Ozkok, Ilke; Olmez-Hanci, T; Cokgor, E

(2022)

Aerobic biodegradability and nitrification of a mixed organized industrial district wastewater.

11th IWA International Symposium on Waste Management Problems in Agro‑Industry;

2022-10-26 - 2022-10-28.

Entezari Heravi, Nooshin; Tran, Diana; Basiry, Daniel; Kaster, Krista Michelle; Pala-Ozkok, Ilke

(2021)

Impact of Tetracycline on biological wastewater systems using two different types of respirometry.

14. National 2. International Environmental Engineering Congress;

2021-12-09 - 2021-12-11.

Guventurk, A; Ozturk, D; Ozyildiz, Goksin; Guven, D; Zengin, GE; Okutman Tas, D; Olmez Hanci, T; Pala-Ozkok, Ilke; Yagci, N; Insel, G; Cokgor, E

(2019)

Determination of the potential of pickle wastewater as feedstock for biopolymer production.

10th IWA International Symposium on Waste Management Problems in Agro-Industries;

2019-06-19 - 2019-06-21.

Ciftcioglu, B; Demirkaya, E; Saleh, E; Soylu, D; Ozyildiz, Goksin; Zengin, GE; Guven, D; Pala-Ozkok, Ilke; Cokgor, E; Okutman Tas, D

(2019)

Acute effect of micropollutants on an activated sludge system with high sludge retention time operated as a sequencing batch reactor.

10th IWA International Symposium on Waste Management Problems in Agro-Industries;

2019-06-19 - 2019-06-21.

Kommedal, Roald; Kumar, Gopalakrishnan; Kaster, Krista Michelle; Pala Ozkok, Ilke; Thorsen, Kristian

(2018)

A simple mathematical model for antimicrobial resistance gene transfer in wastewater treatment models.

3rd International Conference on Alternative Fuels, Energy and Environment (ICAFEE 2018) & 1st International Conference on Water Resources and Sustainability (ICWRS 2018);

2018-10-28 - 2018-10-31.

Demirkaya, Esma; Unver, H; Ciftcioglu, B; Ozyildiz, Goksin; Zengin, Gulsum Emel; Pala-Ozkok, Ilke; Cokgor, Emine; Okutman Tas, D

(2018)

Effect of Seed Biomass on Wastewater Treatment Performance.

4th International Conference on Recycling and Reuse;

2018-10-24 - 2018-10-26.

Pala-Ozkok, Ilke; Katipoglu-Yazan, Tugce; Olmez-Hanci, T; Cokgor, Emine; Orhon, Derin

(2017)

Modelling Acute and Chronic Effect of Sulfamethoxazole on the Biodegradation Kinetics of Activated Sludge.

IWA 10th Micropol and Ecohazard Conference;

2017-09-17 - 2017-09-20.

Katipoglu-Yazan, Tugce; Ozdemir, Seda; Kor-Bicakci, Gokce; Pala-Ozkok, Ilke; Zengin, Gulsum Emel; Okutman Tas, D; Insel, H. Guclu; Orhon, Derin; Cokgor, E

(2017)

Fate of Particulate Components in Aerobic Stabilization.

12th National Environmental Engineering Congress;

2017-10-05 - .

Karahan-Ozgun, Ozlem; Pala-Ozkok, Ilke; Kutay, Can; Orhon, Derin

(2014)

Respirometric Assessment of Biological and Chemical Treatability of Olive Mill Wastewaters.

2nd International Conference on Environmental Science and Technology;

2014-05-14 - 2014-05-17.

Pala-Ozkok, Ilke; Altinbas, M; Cokgor, Emine

(2014)

Evaluation of Differences in Microbial Population After the Aerobic/Anaerobic Treatability of Domestic/Municipal Waste Sludge.

ECSM 2014 – 4th European Conference on Sludge Management;

2014-05-26 - 2014-05-27.

Kor-Bicakci, Gokce; Pala-Ozkok, Ilke; Ural, Aslihan; Rehman, Ateequr; Jonas, Daniel; Cokgor, Emine; Orhon, Derin

(2014)

Evaluation of Chronic Impact of Sulfamethoxazole in Acetate Biodegradation and Microbial Composition at Different Culture Histories.

AGRO 2014 - 9th IWA International Symposium on Waste Management Problems in Agro-Industries;

2014-11-24 - 2014-11-26.

Pala-Ozkok, Ilke; Orhon, Derin; Jonas, Daniel

(2014)

Determination of Antibiotic Resistance Genes in Chronically Inhibited Activated Sludge Reactors.

IWA Conference ¨Activated Sludge - 100 Years and Counting!¨;

2014-06-12 - 2014-06-14.

Kor-Bicakci, Gokce; Pala-Ozkok, Ilke; Ural, Aslihan; Rehman, Ateequr; Jonas, Daniel; Cokgor, Emine; Orhon, Derin

(2014)

Chronic impact of sulfamethoxazole on acetate utilization kinetics and microbial composition at different culture histories.

IWA Conference ¨Activated Sludge – 100 Years and Counting!¨;

2014-06-12 - 2014-06-14.

Pala-Ozkok, Ilke; Kor-Bicakci, Gokce; Ural, Aslihan; Cakar, ZP; Cokgor, Emine; Orhon, Derin

(2013)

Enhanced endogenous respiration – Microbial response to acute inhibitory impact of antibiotics.

IWA 2nd Water Research Conference ;

2013-01-20 - 2013-01-23.