World's Best Scientists 2026 revealed!
Ciara K. O'Sullivan

Ciara K. O'Sullivan

D-Index & Metrics

Chemistry

D-Index
56
Citations
12686
World Ranking
11526
National Ranking
418

Ciara K. O'Sullivan publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ciara K. O'Sullivan sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 260 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Ciara K. O'Sullivan D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ciara K. O'Sullivan sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 56 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Ciara K. O'Sullivan is affiliated with Rovira i Virgili University in Spain. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology, and Medicine, with a specific focus on Molecular Biology, Biomedical Engineering, Infectious Diseases, Environmental Chemistry, and Immunology.

Their work addresses several main topics including:

  • Advanced biosensing and bioanalysis techniques
  • Biosensors and Analytical Detection
  • Marine Toxins and Detection Methods
  • SARS-CoV-2 and COVID-19 Research
  • DNA and Nucleic Acid Chemistry
  • SARS-CoV-2 detection and testing
  • Advanced Biosensing Techniques and Applications

Ciara K. O'Sullivan has published frequently in several venues, with multiple papers appearing in:

  • Analytical Chemistry
  • Analytical Biochemistry
  • The Science of The Total Environment
  • ACS Sensors
  • Microchimica Acta

Recent research outputs by Ciara K. O'Sullivan include:

  • "Carborane- or Metallacarborane-Linked Nucleotides for Redox Labeling. Orthogonal Multipotential Coding of all Four DNA Bases for Electrochemical Analysis and Sequencing" (2021, Journal of the American Chemical Society)
  • "Gold nanoparticle aptamer assay for the determination of histamine in foodstuffs" (2020, Microchimica Acta)
  • "Aptasensors for mycotoxin detection: A review" (2021, Analytical Biochemistry)
  • "Aptamer Sandwich Assay for the Detection of SARS-CoV-2 Spike Protein Antigen" (2021, ACS Omega)
  • "Hybrid Antibody-Aptamer Assay for Detection of Tetrodotoxin in Pufferfish" (2021, Analytical Chemistry)

The scientist collaborates frequently with other researchers such as:

  • Vasso Skouridou
  • Miriam Jauset-Rubio
  • Mayreli Ortiz
  • Abdulaziz S. Bashammakh
  • Michal Hocek

Best Publications

  • Commercial quartz crystal microbalances-Theory and applications

    C.K. O’Sullivan;G.G. Guilbault

  • Recombinase polymerase amplification: Basics, applications and recent advances.

    Ivan Magriñá Lobato;Ciara K. O'Sullivan

  • Reagentless, Reusable, Ultrasensitive Electrochemical Molecular Beacon Aptasensor

    Abd-Elgawad Radi;Josep Lluis Acero Sánchez;Eva Baldrich;Ciara K. O'Sullivan

  • Aptamers: molecular tools for analytical applications

    Teresa Mairal;Veli Cengiz Özalp;Pablo Lozano Sánchez;Mònica Mir

  • Aptasensors – the future of biosensing?

    Ciara K. O'Sullivan

  • Reusable Impedimetric Aptasensor

    Abd-Elgawad Radi;Josep Lluís Acero Sánchez;Eva Baldrich;Ciara K O'Sullivan

  • Aptasensor Development: Elucidation of Critical Parameters for Optimal Aptamer Performance

    Eva Baldrich;and Alexandre Restrepo;Ciara K. O'Sullivan ,†,‡

  • Development of a quartz crystal microbalance (QCM) immunosensor for the detection of Listeria monocytogenes

    R.D Vaughan;C.K O’Sullivan;G.G Guilbault

  • Aptamer conformational switch as sensitive electrochemical biosensor for potassium ion recognition.

    Abd-Elgawad Radi;Ciara K. O'Sullivan

  • Ultrasensitive, rapid and inexpensive detection of DNA using paper based lateral flow assay.

    Miriam Jauset-Rubio;Markéta Svobodová;Teresa Mairal;Calum McNeil

  • DNA biosensors based on gold nanoparticles-modified graphene oxide for the detection of breast cancer biomarkers for early diagnosis

    Ayman Ali Saeed;Josep Lluís Acero Sánchez;Ciara K. O'Sullivan;Mohammed Nooredeen Abbas

  • Novel electrochemical immunosensors for seafood toxin analysis.

    Mark P Kreuzer;Miloslav Pravda;Ciara K O'Sullivan;George G Guilbault

  • Zinc Ionophore Activity of Quercetin and Epigallocatechin-gallate: From Hepa 1-6 Cells to a Liposome Model

    Husam Dabbagh-Bazarbachi;Gael Clergeaud;Isabel M Quesada;Mayreli Ortiz

  • Electrocatalytic oxidation of hydrazine at o-aminophenol grafted modified glassy carbon electrode: Reusable hydrazine amperometric sensor

    Hossam M. Nassef;Abd-Elgawad Radi;Ciara K. O’Sullivan

  • Demonstration of labeless detection of food pathogens using electrochemical redox probe and screen printed gold electrodes.

    S Susmel;G.G Guilbault;C.K O'Sullivan

  • Multiplexed isothermal nucleic acid amplification

    Olena Mayboroda;Ioanis Katakis;Ciara K O'Sullivan

  • Amperometric immunosensor for carcinoembryonic antigen in colon cancer samples based on monolayers of dendritic bipodal scaffolds.

    Noemi Laboria;Alex Fragoso;Wolfgang Kemmner;Daniel Latta

  • Displacement Enzyme Linked Aptamer Assay

    Eva Baldrich;Josep Lluis Acero;Gunter Reekmans;Wim Laureyn

  • Electron permeable self-assembled monolayers of dithiolated aromatic scaffolds on gold for biosensor applications.

    Alex Fragoso;Noemi Laboria;Daniel Latta;Ciara K. O'sullivan

  • Electrochemical immunosensor for detection of celiac disease toxic gliadin in foodstuff.

    Hossam M. Nassef;M. Carmen Bermudo Redondo;Paul J. Ciclitira;H. Julia Ellis

Frequent Co-Authors

Abdulrahman O. Al-Youbi
Abdulrahman O. Al-Youbi King Abdulaziz University
Michal Hocek
Michal Hocek Czech Academy of Sciences
Herbert Tomaso
Herbert Tomaso Friedrich-Loeffler-Institut
Emmanuel I. Iwuoha
Emmanuel I. Iwuoha University of the Western Cape
Miroslav Fojta
Miroslav Fojta Czech Academy of Sciences
Anthony Turner
Anthony Turner Linköping University
Joakim Lundeberg
Joakim Lundeberg Royal Institute of Technology
George G. Guilbault
George G. Guilbault National University of Ireland
Joseph Wang
Joseph Wang University of California, San Diego
Richard B. Cole
Richard B. Cole Université Paris Cité

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to various career paths, many of which require specialized education beyond a traditional chemistry degree. For those interested in healthcare, understanding the pharmacist education requirements is crucial, as pharmacists play a vital role in medication management and patient care.

Another unique pathway combines chemistry with forensic science. Students can explore affordable options with a forensic science online degree, which prepares graduates for roles in crime labs and evidence analysis. One related profession is an autopsy technician, whose work influences legal and medical investigations; for more insight, you can review autopsy technician salary details here.

For students interested in the psychological aspects of forensic work, pursuing forensic psychology graduate programs online can be an excellent step. These programs offer flexible schedules and equip learners with skills to evaluate criminal behavior and support legal proceedings.

Overall, exploring these related online degrees not only enhances career opportunities but also allows students to find a niche that aligns with their interests in science, law, and health.

Best Scientists Citing Ciara K. O'Sullivan

Trending Scientists

Recently Published Articles