Education Information
2023 - 2023
2023 - 2023Post Doctorate
North Carolina State University, Plant and Microbial Sciences, United States Of America
2022 - 2023
2022 - 2023Post Doctorate
IMDEA Energy Institute, IMDEA Energy Institute, Unit of Biotechnological Processes, Spain
2013 - 2019
2013 - 2019Doctorate
Ankara University, Fen Bilimleri Enstitüsü, Turkey
2011 - 2013
2011 - 2013Postgraduate
Adiyaman University, Turkey
2005 - 2009
2005 - 2009Undergraduate
Ankara University, Fen Fakültesi, Biyoloji Bölümü, Turkey
Dissertations
2019
2019Doctorate
Tarımsal atıkların biyoetanol üretiminde kullanım olanaklarının araştırılması
Ankara University, Fen Bilimleri Enstitüsü
2013
2013Postgraduate
Yeni benzofuran, naftofuran veya siklobütan halkası içeren keton ve ketoksim türevi bileşiklerin antibakteriyel ve antifungal aktivitelerinin araştırılması
Adiyaman University
Foreign Languages
C1 Advanced
C1 AdvancedEnglish
Research Areas
Natural Sciences
Engineering and Technology
Academic Titles / Tasks
2023 - Continues
2023 - ContinuesAssociate Professor
Ankara Yildirim Beyazit University, Sağlık Hizmetleri Meslek Yüksekokulu, Tıbbi Hizmetler ve Teknikler Bölümü
2021 - Continues
2021 - ContinuesLecturer
Ankara Yildirim Beyazit University, Sağlık Hizmetleri Meslek Yüksekokulu, Tıbbi Hizmetler ve Teknikler Bölümü
Courses
Published journal articles indexed by SCI, SSCI, and AHCI
2024
2024Real time non-invasive monitoring of glucose and nitrogen sources with a novel window sliding based algorithm
GÖKTAŞ Ö. F., DEMİRAY E., DEĞİRMENCİ A., ÇANKAYA İ.
Engineering Science and Technology, an International Journal
, vol.58, 2024 (SCI-Expanded)
2024
2024Bioethanol production from mulberry pomace by newly ısolated non-conventional yeast Hanseniaspora uvarum
Kabadayı H. K., DEMİRAY E., Karatay S. E., DÖNMEZ G.
Biomass Conversion and Biorefinery
, vol.14, no.9, pp.10611-10620, 2024 (SCI-Expanded)
2024
2024Sequential Anthocyanin Extraction and Ethanol Production from Eggplant Peel Through Biorefinery Approach
DEMİRAY E., Gerbağa A., Karatay S. E., DÖNMEZ G.
Bioenergy Research
, vol.17, no.1, pp.383-391, 2024 (SCI-Expanded)
2024
2024Enhanced cu (II) bioremoval by newly isolated Kluyveromyces marxianus with sodium dodecyl sulphate
Kabadayı H. K., DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Bioremediation Journal
, 2024 (SCI-Expanded)
2024
2024Reactive Black 5 bioremoval potential of newly isolated halotolerant Kluyveromyces marxianus
Ceyhun B. Ş., ERTUĞRUL KARATAY S., DEMİRAY E., DÖNMEZ G.
Bioremediation Journal
, vol.28, no.2, pp.156-171, 2024 (SCI-Expanded)
2022
2022Usage potential of apple and carrot pomaces as raw materials for newly isolated yeast lipid-based biodiesel production
ERTUĞRUL KARATAY S., DEMİRAY E., DÖNMEZ G.
Biomass Conversion and Biorefinery
, vol.12, no.10, pp.4773-4783, 2022 (SCI-Expanded)
2022
2022Optimization Study for Enhanced Biodiesel Production by Novel Yeast Isolates Cultivated in Dilute Acid Pretreated Pumpkin Peel
DEMİRAY E., Karatay S. E., DÖNMEZ G.
Bioenergy Research
, vol.15, no.3, pp.1472-1481, 2022 (SCI-Expanded)
2022
2022Saccharomyces cerevisiae and newly isolated Candida boidinii co-fermentation of industrial tea waste for improved bioethanol production
DEMİRAY E., Açıkel E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Energy Sources, Part A: Recovery, Utilization and Environmental Effects
, vol.44, no.1, pp.1160-1172, 2022 (SCI-Expanded)
2022
2022Second generation bioethanol production from hemicellulolytic hydrolyzate of apple pomace by Pichia stipitis
Kut A., DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Energy Sources, Part A: Recovery, Utilization and Environmental Effects
, vol.44, no.2, pp.5574-5585, 2022 (SCI-Expanded)
2021
2021Synergistic effect of CTAB on Reactive Black 5 removal performance of Candida tropicalis
Demiray E.
BIOREMEDIATION JOURNAL , vol.27, no.1, pp.1-11, 2021 (SCI-Expanded)
2021
2021Usage of soluble soy protein on enzymatically hydrolysis of apple pomace for cost-efficient bioethanol production
DEMİRAY E., Kut A., ERTUĞRUL KARATAY S., DÖNMEZ G.
Fuel
, vol.289, 2021 (SCI-Expanded)
2021
2021Determination of Bioethanol Production from Apricot (Prunus armeniaca) Pomace
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Brazilian Archives of Biology and Technology
, vol.64, pp.1-10, 2021 (SCI-Expanded)
2020
2020ASSESSMENT of APPLE and CARROT POMACES for COST-EFFECTIVE REACTIVE BLACK 5 BIOREMOVAL by PENICILLIUM CITRINUM
DEMİRAY E.
Journal of the Chilean Chemical Society
, vol.65, no.3, pp.4914-4918, 2020 (SCI-Expanded)
2020
2020Efficient bioethanol production from pomegranate peels by newly isolated Kluyveromyces marxianus
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Energy Sources, Part A: Recovery, Utilization and Environmental Effects
, vol.42, no.6, pp.709-718, 2020 (SCI-Expanded)
2019
2019Improvement of bioethanol production from pomegranate peels via acidic pretreatment and enzymatic hydrolysis
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Environmental Science and Pollution Research
, vol.26, no.28, pp.29366-29378, 2019 (SCI-Expanded)
2019
2019Efficient approaches to convert Coniochaeta hoffmannii lipids into biodiesel by in-situ transesterification
ERTUĞRUL KARATAY S., DEMİRAY E., DÖNMEZ G.
Bioresource Technology
, vol.285, 2019 (SCI-Expanded)
2019
2019Bioethanol production by newly isolated halotolerant Kluyveromyces marxianus strains
ERTUĞRUL KARATAY S., DEMİRAY E., DÖNMEZ G.
Environmental Progress and Sustainable Energy
, vol.38, no.2, pp.542-547, 2019 (SCI-Expanded)
2018
2018Evaluation of pomegranate peel in ethanol production by Saccharomyces cerevisiae and Pichia stipitis
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Energy
, vol.159, pp.988-994, 2018 (SCI-Expanded)
2018
2018Introducing a new salty waste for second-generation bioethanol production
DEMİRAY E., ERTUĞRUL KARATAY S., Ekici H., DÖNMEZ G.
Energy Sources, Part A: Recovery, Utilization and Environmental Effects
, vol.40, no.17, pp.2070-2078, 2018 (SCI-Expanded)
2016
2016The usage of carrot pomace for bioethanol production
DEMİRAY E., ERTUĞRUL KARATAY S., Dönmez S., DÖNMEZ G.
Journal of the Chilean Chemical Society
, vol.61, no.2, pp.2996-2998, 2016 (SCI-Expanded)
Articles Published in Other Journals
2024
2024Kluyveromyces marxianus and Bacillus coagulans co-cultivation: Efficient co-production of bioethanol and lactic acid from pomegranate peels
DEMİRAY E., González-Fernández C., Tomás-Pejó E.
Bioresource Technology Reports
, vol.25, 2024 (Scopus)
2024
2024Response surface methodology based optimization studies about bioethanol production by Candida boidinii from pumpkin residues
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
Biotech Studies
, vol.33, no.1, pp.43-51, 2024 (Scopus)
Refereed Congress / Symposium Publications in Proceedings
2022
2022Investigation of the Use of Pumpkin Peels in Chromium Removal by Heterofermentative Yeasts
DEMİRAY E.
2nd International Symposium of Scientific Research and Innovative Studies (ISSRIS’22), Turkey, 02 March 2022
2021
2021Remazol Brilliant Blue R Decolorization of Yeasts Cells Grown in Barley Husks Medium by Response Surface Methodology
DEMİRAY E.
3rd International Eurasian Conference on Science, Engineering and Technology (EurasianSciEnTech 2022)1, Turkey, 15 December 2021
2019
2019Effect of Temperature on Conventional Transesterification of Coniochaeta hoffmannii Lipids forBiodiesel Production
ERTUĞRUL KARATAY S., DEMİRAY E., KABADAYI K., DÖNMEZ G.
2nd International Eurasian Conference on Biological and Chemical Sciences (EurasianBioChem 2019), June 28-29, 2019 Ankara, Turkey, Ankara, Turkey, 28 - 29 June 2019, pp.1022-1025
2018
2018Usage of pomegranate peels for microbial growth of bioethanol producer microorganisms
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
International Eurasian Conference on Science, Engineering and Technology, 22 - 23 November 2018, pp.1591-1597
2018
2018The biological bioremoval of hexavalent chromium using newly isolated fungus
DEMİRAY E., YALÇINKAYA G., ERTUĞRUL KARATAY S., DÖNMEZ G.
Internatıonal Eurasian Conference On Biological And Chemical Sciences, 26 - 27 April 2018
2018
2018The Usage of Low Cost Fermentation Mediumfor Yeast Lipid Production
ERTUĞRUL KARATAY S., DEMİRAY E., DÖNMEZ G.
Internatıonal Conference „Smart Bio, Kaunas, Lithuania, 2 - 04 May 2018, pp.280-281
2017
2017UTILIZATION OF SACCHAROMYCES CEREVISIAE FOR BIOETHANOL PRODUCTION FROM TURNIP JUICE DISCARDS
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
7th Congress of European Microbiologist, Valencia, Spain, 9 - 13 July 2017
2016
2016The isolation of novel yeast strains for bioethanol production
DEMİRAY E., ERTUĞRUL KARATAY S., DÖNMEZ G.
17 th European Congress on Biotechnology, Krakow, Poland, 3 - 06 July 2016, vol.33
2014
2014The usage of carrot pomace as a feedstock for bioethanol production
DEMİRAY E., ERTUĞRUL KARATAY S., Dönmez s., DÖNMEZ G.
16 th European Congress on Biotechnology, Edinburgh, Saint Helena, 13 - 16 July 2014, vol.31
Mobility Activity
2022 - 2023
2022 - 2023