World's Best Scientists 2026 revealed!
Fikrettin Sahin

Fikrettin Sahin

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Biology and Biochemistry
Turkey
2026

D-Index & Metrics

Biology and Biochemistry

D-Index
74
Citations
23580
World Ranking
5513
National Ranking
3

Fikrettin Sahin publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Fikrettin Sahin sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 500 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Fikrettin Sahin D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Fikrettin Sahin sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 74 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in Turkey Leader Award
  • 2025 - Research.com Biology and Biochemistry in Turkey Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Organic chemistry
  • Biochemistry

Fikrettin Sahin mostly deals with Antimicrobial, Diflunisal, Stereochemistry, Hydrazide and Antibacterial agent. His research in Antimicrobial intersects with topics in Gallic acid, DPPH, Thymol and Linoleic acid. DPPH and Botany are commonly linked in his work.

His Thymol study integrates concerns from other disciplines, such as Satureja, Butylated hydroxytoluene, Biochemistry and Satureja hortensis. Many of his studies on Diflunisal involve topics that are commonly interrelated, such as Phenols. His Organic chemistry research includes themes of Food science and Essential oil.

His most cited work include:

  • In vitro antibacterial, antifungal, and antioxidant activities of the essential oil and methanol extracts of herbal parts and callus cultures of Satureja hortensis L. (336 citations)
  • The in vitro antimicrobial and antioxidant activities of the essential oils and methanol extracts of endemic Thymus spathulifolius (291 citations)
  • Synthesis and biological activity of 4-thiazolidinones, thiosemicarbazides derived from diflunisal hydrazide (267 citations)

What are the main themes of his work throughout his whole career to date?

Botany, Antimicrobial, Antibacterial agent, Astragalus species and Chemical synthesis are his primary areas of study. His work carried out in the field of Botany brings together such families of science as Inoculation, Gallic acid, DPPH, Antioxidant and Linoleic acid. His Linoleic acid study incorporates themes from Carvacrol, Thymol and Essential oil.

Antimicrobial is a subfield of Organic chemistry that Fikrettin Sahin tackles. You can notice a mix of various disciplines of study, such as Stereochemistry, Diflunisal and Hydrazide, in his Antibacterial agent studies. Fikrettin Sahin combines topics linked to Phenols with his work on Stereochemistry.

He most often published in these fields:

  • Botany (59.46%)
  • Antimicrobial (56.76%)
  • Antibacterial agent (35.14%)

What were the highlights of his more recent work (between 2010-2014)?

  • Vicia faba (5.41%)
  • DNA methylation (5.41%)
  • Botany (59.46%)

In recent papers he was focusing on the following fields of study:

Fikrettin Sahin focuses on Vicia faba, DNA methylation, Botany, Humic acid and Biochemistry. The study incorporates disciplines such as Food science and Toxicology in addition to Vicia faba. Fikrettin Sahin has included themes like Salt and Isolation in his Botany study.

His study on Humic acid is mostly dedicated to connecting different topics, such as Cadmium.

Between 2010 and 2014, his most popular works were:

  • HLA-B27 Allele Frequency in a Turkish Study Population with Primary Osteoarthritis (2 citations)
  • Evaluation of PGPR strains on wheat yield and quality parameters. (1 citations)
  • Protective Role of Humic Acids on DNA Methylation Caused Cadmium Stress in Vicia Faba Seedlings (0 citations)

Best Publications

  • Antimicrobial activity of aqueous and methanol extracts of Juniperus oxycedrus L.

    I Karaman;I Karaman;F Şahin;M Güllüce;H Öǧütçü

  • Biological activities of the essential oils and methanol extract of Origanum vulgare ssp. vulgare in the Eastern Anatolia region of Turkey

    F Şahin;M Güllüce;D Daferera;A Sökmen

  • Growth promotion of plants by plant growth-promoting rhizobacteria under greenhouse and two different field soil conditions

    Ramazan Çakmakçi;Figen Dönmez;Adil Aydın;Fikrettin Şahin;Fikrettin Şahin

  • Synthesis, characterisation and biological activity of novel 4-thiazolidinones, 1,3,4-oxadiazoles and some related compounds.

    Ş.Güniz Küçükgüzel;E.Elçin Oruç;Sevim Rollas;Fikrettin Şahin

  • In vitro antibacterial, antifungal, and antioxidant activities of the essential oil and methanol extracts of herbal parts and callus cultures of Satureja hortensis L.

    M Güllüce;M Sökmen;D Daferera;G Ağar

  • The in vitro antimicrobial and antioxidant activities of the essential oils and methanol extracts of endemic Thymus spathulifolius

    Atalay Sokmen;Medine Gulluce;H Askin Akpulat;Dimitra Daferera

  • Effects of plant growth promoting rhizobacteria (PGPR) on yield, growth and nutrient contents in organically growing raspberry

    Emine Orhan;Ahmet Esitken;Sezai Ercisli;Metin Turan

  • Sugar beet and barley yields in relation to inoculation with N2-fixing and phosphate solubilizing bacteria

    Fikrettin Şahin;Ramazan Çakmakçi;Faik Kantar

  • Synthesis and biological activity of 4-thiazolidinones, thiosemicarbazides derived from diflunisal hydrazide

    Güniz Küçükgüzel;Ayla Kocatepe;Erik De Clercq;Fikrettin Şahin;Fikrettin Şahin

  • Field Control of Bacterial Spot and Bacterial Speck of Tomato Using a Plant Activator.

    F J Louws;M Wilson;H L Campbell;D A Cuppels

  • Evaluation of antimicrobial activities of Satureja hortensis L.

    F Şahin;I Karaman;M Güllüce;H Öğütçü

  • In Vitro Antioxidant, Antimicrobial, and Antiviral Activities of the Essential Oil and Various Extracts from Herbal Parts and Callus Cultures of Origanum acutidens

    Münevver Sökmen;Julia Serkedjieva;Dimitra Daferera;Medine Gulluce

  • Synthesis and biological activities of diflunisal hydrazide–hydrazones

    S.Güniz Küçükgüzel;Adil Mazi;Fikrettin Sahin;Suzan Öztürk

  • Effect of plant growth promoting rhizobacteria on young apple tree growth and fruit yield under orchard conditions

    Rafet Aslantaş;Ramazan Çakmakçi;Fikrettin Şahin;Fikrettin Şahin

  • Influence of Nitrogen Fixing and Phosphorus Solubilizing Bacteria on the Nodulation, Plant Growth, and Yield of Chickpea

    Erdal Elkoca;Faik Kantar;Fikrettin Sahin

  • Toxicity of essential oil vapours to two greenhouse pests, Tetranychus urticae Koch and Bemisia tabaci Genn.

    İrfan Aslan;Hikmet Özbek;Önder Çalmaşur;Fikrettin Şahi̇n

  • Effects of root inoculation of plant growth promoting rhizobacteria (PGPR) on yield, growth and nutrient element contents of leaves of apple

    Huseyin Karlidag;Ahmet Esitken;Metin Turan;Fikrettin Sahin

  • Effect of plant growth-promoting bacteria and soil compaction on barley seedling growth, nutrient uptake, soil properties and rhizosphere microflora

    Mustafa Y. Canbolat;Serdar Bilen;Ramazan Çakmakçı;Fikrettin Şahin;Fikrettin Şahin

  • Effect of Compost Amendments on Disease Severity and Yield of Tomato in Conventional and Organic Production Systems.

    P A Abbasi;J Al-Dahmani;F Sahin;H A J Hoitink

  • ANTIMICROBIAL AND ANTIOXIDANTPROPERTIES OF THE ESSENTIALOILS AND METHANOLEXTRACT FROM MENTHALONGIFOLIA L. SSP. LONGIFOLIA

    M Gulluce;F Sahin;M Sokmen

Frequent Co-Authors

Sally A. Miller
Sally A. Miller The Ohio State University
Metin Turan
Metin Turan Yeditepe University
Hakan Özkan
Hakan Özkan Cukurova University
Moschos G. Polissiou
Moschos G. Polissiou Agricultural University of Athens
Erik De Clercq
Erik De Clercq Rega Institute for Medical Research
Ertugrul Kilic
Ertugrul Kilic Istanbul Medipol University
Sezai Ercisli
Sezai Ercisli Atatürk University
Ahmet Esitken
Ahmet Esitken Selçuk University
Mehmet Tuzcu
Mehmet Tuzcu Fırat University
Jeffrey B. Jones
Jeffrey B. Jones University of Florida

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