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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 50 14499 13059 3714 3038 197 7946

Omowunmi A. Sadik publications per year

The chart shows the history of publications by Omowunmi A. Sadik between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Omowunmi A. Sadik published across 34 years, from 1993 to 2026, averaging 6.8 papers a year. Output peaked at 14 publications in 2005. 11 of the 231 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2005. 1993: 3 publications 1994: 6 publications 1995: 2 publications 1996: 3 publications 1997: 1 publication 1998: 4 publications 1999: 8 publications 2000: 10 publications 2001: 10 publications 2002: 4 publications 2003: 12 publications 2004: 12 publications 2005: 14 publications 2006: 3 publications 2007: 10 publications 2008: 2 publications 2009: 10 publications 2010: 2 publications 2011: 9 publications 2012: 2 publications 2013: 8 publications 2014: 14 publications 2015: 1 publication 2016: 13 publications 2017: 6 publications 2018: 12 publications 2019: 4 publications 2020: 6 publications 2021: 5 publications 2022: 6 publications 2023: 7 publications 2024: 11 publications 2025: 9 publications 2026: 2 publications
1993 2026

231 publications in total across all disciplines

View publications per year as a table
Omowunmi A. Sadik: publications per year, 1993 to 2026
Year Publications
1993 3
1994 6
1995 2
1996 3
1997 1
1998 4
1999 8
2000 10
2001 10
2002 4
2003 12
2004 12
2005 14
2006 3
2007 10
2008 2
2009 10
2010 2
2011 9
2012 2
2013 8
2014 14
2015 1
2016 13
2017 6
2018 12
2019 4
2020 6
2021 5
2022 6
2023 7
2024 11
2025 9
2026 2
Total 231
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Omowunmi A. Sadik 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 Omowunmi A. Sadik sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 181–200 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 197 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344 197
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Omowunmi A. Sadik 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 Omowunmi A. Sadik sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 50 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861 50
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Research.com Recognitions

  • 2023 - Fellow of the American Chemical Society
  • 2017 - Jefferson Science Fellow
  • 2017 - Jefferson Science Fellow
  • 2012 - Fellow of the American Institute for Medical and Biological Engineering (AIMBE)
  • 2012 - Fellow of the American Institute for Medical and Biological Engineering (AIMBE)
  • 2012 - Fellow of the Indian National Academy of Engineering (INAE)
  • 2010 - Fellow of the Royal Society of Chemistry (FRSC)
  • 2003 - Radcliffe Fellow, Harvard University
  • 2003 - Radcliffe Fellow, Harvard University

Overview

Omowunmi A. Sadik is affiliated with the New Jersey Institute of Technology in the United States. Their research primarily spans the field of Materials Science, with significant contributions to related subfields including Materials Chemistry, Organic Chemistry, Health, Toxicology and Mutagenesis, Pollution, and Electrochemistry.

The scientist's work covers several specific topics, notably:

  • Nanoparticles: synthesis and applications
  • Electrochemical Analysis and Applications
  • Microplastics and Plastic Pollution
  • Electrocatalysts for Energy Conversion
  • Nanocomposite Films for Food Packaging
  • Phytochemicals and Antioxidant Activities
  • Computational Drug Discovery Methods

Sadik has published extensively, with frequent appearances in journals such as:

  • SSRN Electronic Journal
  • RSC Advances
  • Molecules
  • ACS Agricultural Science & Technology
  • Biosensors

Among recent papers authored or co-authored by Sadik are:

  • "Size and Shape-Dependent Antimicrobial Activities of Silver and Gold Nanoparticles: A Model Study as Potential Fungicides," 2020, Molecules
  • "Synthesis, characterization and antifungal activities of eco-friendly palladium nanoparticles," 2020, RSC Advances
  • "Co-exposure risks of pesticides residues and bacterial contamination in fresh fruits and vegetables under smallholder horticultural production systems in Tanzania," 2020, PLoS ONE
  • "A Comparative Review of Key Isothiocyanates and Their Health Benefits," 2024, Nutrients
  • "Synthesis, biological and computational studies of flavonoid acetamide derivatives," 2022, RSC Advances

Sadik's collaborative work has involved frequent co-authors including Francis J. Osonga, Gaddi B. Eshun, Huize Xue, İdris Yazgan, and Daniel Isika. This network reflects an interdisciplinary approach to scientific problems within the materials and chemical sciences.

Recognition of Sadik's contributions includes being named a Fellow of the Indian National Academy of Engineering (INAE) in 2012.

Best Publications

  • Status of biomolecular recognition using electrochemical techniques.

    Omowunmi A. Sadik;Austin O. Aluoch;Ailing Zhou

  • Impedance Spectroscopy: A Powerful Tool for Rapid Biomolecular Screening and Cell Culture Monitoring

    Isaac O. K'Owino;Omowunmi A. Sadik

  • Nanotechnology for sustainable food production: promising opportunities and scientific challenges

    Sónia M. Rodrigues;Philip Demokritou;Nick Dokoozlian;Christine Ogilvie Hendren

  • Palladium nanoparticles for catalytic reduction of Cr(VI) using formic acid

    Marcells A. Omole;Isaac O. K’Owino;Omowunmi A. Sadik

  • Trends and challenges in biochemical sensors for clinical and environmental monitoring

    Silvana Andreescu;Omowunmi A. Sadik

  • Comparative Analysis of Quercetin Oxidation by Electrochemical, Enzymatic, Autoxidation, and Free Radical Generation Techniques: A Mechanistic Study

    Ailing Zhou;Omowunmi A. Sadik

  • Pulsed electrochemical detection using polymer electroactive electrodes

    John M. Riviello;Gordon Wallace;Omowunmi Amoke Sadik

  • Targeting Chemical and Biological Warfare Agents at the Molecular Level

    Omowunmi A. Sadik;Walker H. Land;Joseph Wang

  • Integrating waveguide biosensor.

    Frances S Ligler;Marc Breimer;Joel P Golden;Delana A Nivens

  • Incorporation of Metal Nanoparticles in Photopolymerized Organic Conducting Polymers: A Mechanistic Insight

    Marc A. Breimer;Gelfand Yevgeny;Sheldon Sy;Omowunmi A. Sadik

  • First comparative reaction mechanisms of β-estradiol and selected environmental hormones in a redox environment

    Miriam M Ngundi;Omowunmi A Sadik;Takashi Yamaguchi;Shin-ichiro Suye

  • Electrochemical degradation of quercetin: Isolation and structural elucidation of the degradation products

    Ailing Zhou;Samuel Kikandi;Omowunmi A. Sadik

  • The electrochemistry of antibody-modified conducting polymer electrodes

    Anita Sargent;Thomas Loi;Susannah Gal;Omowunmi A. Sadik

  • A new electrocatalytic mechanism for the oxidation of phenols at platinum electrodes

    Silvana Andreescu;Daniel Andreescu;Omowunmi A. Sadik

  • Correlation of Analyte Structures with Biosensor Responses Using the Detection of Phenolic Estrogens as a Model

    Silvana Andreescu;Omowunmi A. Sadik

  • Monitoring antibody–antigen reactions at conducting polymer-based immunosensors using impedance spectroscopy

    Anita Sargent;Omowunmi A. Sadik

  • Adsorptive stripping voltammetric measurements of trace uranium at the bismuth film electrode

    Lin Lin;Sompong Thongngamdee;Joseph Wang;Yuehe Lin

  • Size and Shape-Dependent Antimicrobial Activities of Silver and Gold Nanoparticles: A Model Study as Potential Fungicides.

    Francis J Osonga;Ali Akgul;Idris Yazgan;Ayfer Akgul

  • Pulse damperometric detection of proteins using antibody containing conducting polymers

    O.A. Sadik;G.G. Wallace

  • Applications of electrochemical immunosensors to environmental monitoring

    Omowunmi A. Sadik;Jeanette M. Van Emon

  • Electrochemical DNA biosensor for the detection of specific gene related to Microcystis species

    Fei Yan;Arzum Erdem;Burcu Meric;Kagan Kerman

  • Differential impedance spectroscopy for monitoring protein immobilization and antibody-antigen reactions.

    O. A. Sadik;H. Xu;E. Gheorghiu;D. Andreescu

Frequent Co-Authors

Silvana Andreescu
Silvana Andreescu Clarkson University
Gordon G. Wallace
Gordon G. Wallace University of Wollongong
Seokheun Choi
Seokheun Choi Binghamton University
Bahgat Sammakia
Bahgat Sammakia Binghamton University
Mehmet Ozsoz
Mehmet Ozsoz Near East University
Philip Demokritou
Philip Demokritou Harvard University
Joseph Wang
Joseph Wang University of California, San Diego
Héctor D. Abruña
Héctor D. Abruña Cornell University
James E. Hutchison
James E. Hutchison University of Oregon
Yuehe Lin
Yuehe Lin Washington State University

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