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Academician

NİHAT ALPAGU SAYAR

Profesör

Marmara Üniversitesi Mühendislik Fakültesi Biyomühendislik Bölümü

Research topics OpenAlex
  1. Ana Dal Mühendislik Temel Alanı
  2. Yan Dal Biyomühendislik
Keywords YÖKSİS
Articles 32 YÖKSİS 32 · OpenAlex 0 Total citations 495 h-index 14 · OpenAlex OpenAlex coverage %97 matched 31 / 32 Q1 articles 15 Scopus · WoS Q1 10 Best field rank #2,657 / 24,860 Main field · top 10.7% Co-authors 53 4 Turkish institutions

Citation impact

Citation counts of the articles matched in OpenAlex, citing publications from Crossref and the Stanford/Elsevier list. Sources are shown separately and never added up.

OpenAlex YÖKSİS articles matched in OpenAlex: 31
h-index 14 Percentile in Türkiye: 92 #157 of 2,222 at their university by h-index
i10-index
16
Total citations
495
Top 12% in Türkiye
Per article
16.0
FWCI
1.34
1.00 = world average
World top 1%
0
World top 10%
5

Most cited articles

  1. Assessment of Berberine as a Multi target Antimicrobial A Multi omics Study for Drug Discovery and Repositioning 2014 world top 10% 66 citations
  2. Extraction of Co II and Ni II from concentrated HCl solutions using Alamine 336 2009 world top 10% 53 citations
  3. Extraction of cobalt II from aqueous hydrochloric acid solutions into alamine 336 m xylene mixtures 2006 world top 10% 37 citations
How is this computed?

h-index and citations are computed from the citation counts of this academic’s YÖKSİS articles matched in OpenAlex (not Google Scholar, WoS or Scopus). Unmatched articles are not included.

Citing publications Crossref 96 publications citing 31 DOI-bearing articles · 13 Türkiye-affiliated
  • 2015 1
  • 2019 18
  • 2020 25
  • 2021 31
  • 2022 15
  • 2025 3
  • 2026 3
  1. Integration of process simulation and design of experiments for the techno-economic optimization of chitosan and mold extract recovery from waste fungal biomass TR Ali Coşkun Dalgıç et al. · Waste Management · 2026
  2. DOI 10.1016/b978-0-443-36318-4.00023-6 2026
  3. DOI 10.1016/j.psj.2025.106247 2026
  4. Production of the terpenoid-based biofuel α-bisabolene by metabolically engineered Corynebacterium glutamicum TR Basak Atas Erden et al. · World Journal of Microbiology and Biotechnology · 2025
  5. DOI 10.70322/sbe.2025.10016 2025 · cites 2 articles of this academic
  6. DOI 10.1134/s1068162025150208 2025
  7. Carvacrol Enhances the Antimicrobial Potency of Berberine in Bacillus subtilis TR Basak Atas et al. · Current Microbiology · 2022
  8. Curvularia lunata: A fungus for possible berberine transformation TR Deniz YILMAZ et al. · International Journal of Secondary Metabolite · 2022
  9. DOI 10.1016/j.rineng.2022.100371 2022
  10. DOI 10.1016/b978-0-12-819727-1.00027-3 2022
  11. DOI 10.1002/cnma.202200060 2022
  12. DOI 10.1016/j.rser.2021.112054 2022
  13. DOI 10.1080/09670874.2022.2055807 2022
  14. DOI 10.1016/j.carbpol.2021.118910 2022
  15. DOI 10.3390/pr10030523 2022
  16. DOI 10.1016/j.molliq.2021.117091 2022
  17. DOI 10.1016/j.jpha.2021.10.003 2022
  18. DOI 10.3390/molecules27030653 2022
  19. DOI 10.4018/978-1-7998-9144-4.ch003 2022
  20. DOI 10.17352/ojabc.000024 2022
  21. DOI 10.1080/13543776.2022.2026328 2022
  22. Investigation of the Physiology of the Obligate Alkaliphilic Bacillus marmarensis GMBE 72T Considering Its Alkaline Adaptation Mechanism for Poly(3-hydroxybutyrate) Synthesis TR Yağmur Atakav et al. · Microorganisms · 2021
  23. Saccharification of Hazelnut and Rhododendron Biomasses Using β-xylanase from Thermotoga naphthophila TR Özgenur DİNÇER et al. · Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi · 2021
  24. DOI 10.7844/kirr.2021.30.6.28 2021
  25. DOI 10.1080/10934529.2020.1871268 2021
  26. DOI 10.1016/j.jaap.2020.104995 2021
  27. DOI 10.1002/bbb.2273 2021
  28. DOI 10.1016/j.jep.2020.113573 2021
  29. DOI 10.3390/catal11101183 2021
  30. DOI 10.1007/s11814-021-0749-9 2021

Showing the 30 most recent.

Where does this list come from?

Extracted from the reference lists in Crossref’s public March 2026 data file; 20.3% of the file has been processed, so the list may be incomplete. Crossref citations are never added to or compared with the OpenAlex citation counts; the two sources have different coverage.

Field ranking

Position in the main-field, side-field and keyword cohorts by YÖKSİS article score; each card opens that ranking.

YÖKSİS ?
Keyword rankings 2

Works 32

YÖKSİS and OpenAlex records: index distribution, journals published in, a filterable article list and the other output types.

Indexes and citation percentiles

?
TR Index 0 articles
OpenAlex citation percentile
Top 1%0
Top 10%5
Avg · n 31 %64.0
Other counts

Scopus (SJR)

  • YÖKSİS rows 31

WoS (JCR)

  • YÖKSİS rows 30

Articles

Articles with YÖKSİS and OpenAlex source split; narrow by quartile or TR Index.

32articles

Journals with publications

23 journals

Narrow down

Scopus (SJR)
Q115 Q212 Q34 Q40
WoS (JCR)
Q110 Q29 Q39 Q42
TR Index
0articles

Article list

  1. 2025 Model-based engineering of Bacillus methanolicus towards de novo polyamine bioproduction from methanol New Biotechnology DOI 10.1016/j.nbt.2025.07.001 YÖKSİS SJR Q1 JCR Q1 OpenAlex 79.2%
  2. 2025 De novo production of eumelanin in a fermentative process with Corynebacterium glutamicum Biocatalysis and Biotransformation DOI 10.1080/10242422.2025.2485090 YÖKSİS SJR Q3 JCR Q4 OpenAlex 5.3%
  3. 2025 An Exploratory Study on the Growth Dynamics of Alkalihalophilus marmarensis Using a Model-Based Approach Applied Microbiology DOI 10.3390/applmicrobiol5030069 YÖKSİS SJR Q2 OpenAlex 15.0%
  4. 2024 Development of a novel process towards an l-malate biorefinery using methanol as feedstock Chemical Engineering Research and Design DOI 10.1016/j.cherd.2024.10.027 YÖKSİS SJR Q2 JCR Q2 OpenAlex 35.1%
  5. 2023 Valorization of hazelnut husk as a carbon source for l-DOPA production with Corynebacterium glutamicum Elsevier BV DOI 10.1016/j.bej.2022.108768 YÖKSİS SJR Q2 JCR Q2 OpenAlex 60.8%
  6. 2022 Carvacrol Enhances the Antimicrobial Potency of Berberine in Bacillus subtilis Current Microbiology DOI 10.1007/s00284-022-02823-7 YÖKSİS SJR Q2 JCR Q3 OpenAlex 69.1%
  7. 2020 Potentiating the activity of berberine for Staphylococcus aureus in a combinatorial treatment with thymol Microbial Pathogenesis DOI https://linkinghub.elsevier.com/retrieve/pii/S0882401020309086 YÖKSİS SJR Q2 JCR Q2 OpenAlex 85.1%
  8. 2020 title Assessment of different carbon and salinity level on growth kinetics, lipid, and starch composition of iChlorella vulgaris/i SAG 211-12/title International Journal of Green Energy DOI https://www.tandfonline.com/doi/full/10.1080/15435075.2020.1727480 YÖKSİS SJR Q2 JCR Q2
  9. 2020 Process simulation-integrated optimization of lignocellulolytic enzyme production BIOCHEMICAL ENGINEERING JOURNAL DOI 10.1016/j.bej.2019.107420 YÖKSİS SJR Q1 JCR Q2 OpenAlex 53.6%
  10. 2019 Techno-economic analysis of caffeine and catechins production from black tea waste FOOD AND BIOPRODUCTS PROCESSING DOI 10.1016/j.fbp.2019.08.014 YÖKSİS SJR Q1 JCR Q1 OpenAlex 82.5%
  11. 2019 Multi-objective optimization of a novel crude lipase-catalyzed fatty acid methyl ester (FAME) production using low-order polynomial and Kriging models International Journal of Green Energy DOI 10.1080/15435075.2019.1608443 YÖKSİS SJR Q3 JCR Q4 OpenAlex 56.4%
  12. 2018 Targeting a hidden site on class A beta-lactamases JOURNAL OF MOLECULAR GRAPHICS & MODELLING DOI 10.1016/j.jmgm.2018.06.007 YÖKSİS SJR Q2 JCR Q2 OpenAlex 49.4%
  13. 2018 Retro-techno-economic evaluation of acetic acid production using cotton stalk as feedstock Journal of Material Cycles and Waste Management DOI 10.1007/s10163-018-0762-1 YÖKSİS SJR Q2 JCR Q3 OpenAlex 54.8%
  14. 2018 An OMIC approach to elaborate the antibacterial mechanisms of different alkaloids PHYTOCHEMISTRY DOI 10.1016/j.phytochem.2017.12.023 YÖKSİS SJR Q1 JCR Q1 OpenAlex 77.5%
  15. 2018 What Are the Multi-Omics Mechanisms for Adaptation by Microorganisms to High Alkalinity A Transcriptomic and Proteomic Study of a Bacillus Strain with Industrial Potential OMICS: A JOURNAL OF INTEGRATIVE BIOLOGY DOI 10.1089/omi.2018.0127 YÖKSİS SJR Q1 JCR Q2 OpenAlex 76.2%
  16. 2017 Bioethanol Production From Turkish Hazelnut Husk Process Design and Economic Evaluation Waste and Biomass Valorization DOI 10.1007/s12649-017-0103-y YÖKSİS SJR Q2 JCR Q3 OpenAlex 66.0%
  17. 2017 Assessment of hazelnut husk as a lignocellulosic feedstock for the production of fermentable sugars and lignocellulolytic enzymes 3 Biotech DOI 10.1007/s13205-017-1002-4 YÖKSİS SJR Q2 JCR Q3 OpenAlex 83.4%
  18. 2016 Response of Escherichia coli to Prolonged Berberine Exposure Microbial Drug Resistance DOI 10.1089/mdr.2016.0063 YÖKSİS SJR Q1 JCR Q3 OpenAlex 84.9%
  19. 2015 A sigmoidal model for biosorption of heavy metal cations from aqueous media Mathematical Biosciences DOI 10.1016/j.mbs.2015.04.007 YÖKSİS SJR Q1 JCR Q3 OpenAlex 80.9%
  20. 2015 Organic solvent stable lipase from Cryptococcus diffluens D44 isolated from petroleum sludge Journal of Molecular Catalysis B: Enzymatic DOI 10.1016/j.molcatb.2015.08.021 YÖKSİS SJR Q2 JCR Q3 OpenAlex 57.9%

Projects 19 See all (19) →

  1. 2014 Multi-Enzimatik Kataliz Reaksiyonları Için Üniversal Model Geliştirilmesi: Lignoselülozik Biyokütlenin Multi-Enzimatik Hidrolizinin Modellenmesi TÜBİTAK PROJESİ · Tamamlandı 2014-10-01 – 2016-10-01
  2. 2017 Metabolik Mühendisliği Yöntemlerini Kullanarak Corynebacterium Glutamicum Microorganizmasında L-Dopa Üretiminin Geliştirilmesi TÜBİTAK PROJESİ · Tamamlandı 2017-12-01 – 2018-12-01
  3. 2018 Kavramsal Olarak Tasarlanmış Bir Üretim Sürecinin Parametrik Belirsizlik Altında Simülasyon Deneyleri Kullanılarak Çok-Hedefli Çok-Parametreli Optimizasyonu: Lignoselülozik Tarımsal Atıklardan Biyoetanol Üretimi TÜBİTAK PROJESİ · Tamamlandı 2018-05-15 – 2021-05-15
  4. 2021 Sürdürülebilir Biyoekonomi için Gıda ile Yarışan Sübstratların Metanol, CO2 ve Metilamin ileDeğiştirilmesi Avrupa Birliği · Tamamlandı 2021-04-01 – 2024-10-01
  5. 2021 Rasyonel Tasarım ile Corynebacterium Glutamicum'un L-Dopa Üretimi Için Bir Mikrobiyal Hücre Fabrikasına Dönüştürülmesi ve L-Dopa Üretim Prosesinin Geliştirilmesi Uluslararası İkili İşbirliği Programları · Tamamlandı 2021-04-01 – 2024-10-01

Books 1

  1. 2020 Fermente Ürünler Teknolojisi ve Mikrobiyolojisi Nobel Akademik Yayıncılık ISBN 978-625-406-665-8 Kitap Bölümü · Bilimsel Kitap

Proceedings 23 See all (23) →

  1. 2020 Propagation of Parametric Uncertainty in a Conceptually Designed Bioethanol Production Process The ESCAPE 30 European Symposium on Computer Aided Process Engineering
  2. 2019 Comparison of two medium optimization strategies: multi-objective pareto and global optimization for production oflignocellulolytic enzymes ECOMB2019
  3. 2014 Characterization of Lipase Enzyme and Catalysed Esterification Reaction as a Model System Enzymes for Biocatalysis
  4. 2016 Immobilization of Cryptococcus albidus D24 lipase for enzymatic esterification 41st FEBS Congress
  5. 2019 Submerged fermentation of hazelnut husk via Pycnoporus sanguineus DMSZ 3024 for enzyme production ECOMB2019

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Collaboration network

From the author lists of YÖKSİS publication records. Duplicate records of a work count once; institutions are co-authors’ current YÖKSİS affiliations.

Co-authors
53
With an akaturk profile
10
Turkish institutions
4
Co-authored works
%100

Academic co-authors 10

  1. BERNA SARIYAR AKBULUT Profesör · Marmara Üniversitesi same university 13
  2. FATMA GİZEM AVCI Doçent · Üsküdar Üniversitesi 6
  3. SELÇEN DURMAZ ŞAM Araştırma Görevlisi · Marmara Üniversitesi same university 5
  4. CEYDA KULA Doktor Öğretim Üyesi · Marmara Üniversitesi same university 2
  5. FATMA ECE ALTINIŞIK KAYA Doktor Öğretim Üyesi · Marmara Üniversitesi same university 2
  6. IŞIL KURNAZ Profesör · Boğaziçi Üniversitesi 1
  7. OSMAN MUTLUHAN UĞUREL Doktor Öğretim Üyesi · İstanbul Üniversitesi-Cerrahpaşa 1
  8. YAĞMUR ATAKAV IŞIK Araştırma Görevlisi · Adana Alparslan Türkeş Bilim Ve Teknoloji Üniversitesi 1
  9. ZEYNEP YILMAZ SERÇİNOĞLU Araştırma Görevlisi · Marmara Üniversitesi same university 1
  10. ŞEFİKA KUTLU ÜLGEN Profesör · Boğaziçi Üniversitesi 1

National collaboration 4 institutions

Within own university20 joint works · Marmara Üniversitesi

  1. Üsküdar Üniversitesi 6 works · 1 academics
  2. Boğaziçi Üniversitesi 2 works · 2 academics
  3. Adana Alparslan Türkeş Bilim Ve Teknoloji Üniversitesi 1 works · 1 academics
  4. İstanbul Üniversitesi-Cerrahpaşa 1 works · 1 academics

Other co-authors (incl. international) 43

AHMET ALP SAYAR 14DİLEK KAZAN 9Mehmet Filiz 4ORKUN PİNAR 4Eldin Kurpejovic 3KÜBRA KARAOSMANOĞLU YÖNETEN 3Basak Atas 2Bing H Chen 2Cemile Selin Aksoy 2ELİF ÖZKIRIMLI ÖLMEZ 2Gary J Lye 2Gülsüm Merve Bastem 2John M Woodley 2Luciana Fernandes Brito 2Trygve Brautaset 2Volker Wendisch 2Adshaha ArampuAyşe ErenBEGÜM ALAYBEYOĞLUBeril PakalınCeren KarciogluChen B HDalby P ADamla SerperDavid VirantDidem Vardar UluDuygu Şentürk KaragözECEM KAPLANEmre AbdullahogluFatma Ece AltinisikFernando Perez-GarciaKaulmann UrsulaMUSTAFA BEBEKMangaoğlu Yörük HilalNilay Budeyri GökgözOdabaşı GizaySERHAT ERŞAHİNTopal Sarıkaya AyşegülWard J MWoodley J M

Show all (43)

Yılmaz Duygu ElifÖzen Rümeysaİpek Karacan

Authors without an akaturk profile (international researchers, retired or former academics, students, clinicians) are grouped by name spelling; short forms such as “Gulluce M.” join the single full name they match.