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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 88 2250 2021 804 669 1282 34417

Ikhlas A. Khan publications per year

The chart shows the history of publications by Ikhlas A. Khan between 1983 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ikhlas A. Khan published across 44 years, from 1983 to 2026, averaging 42.4 papers a year. Output peaked at 140 publications in 2013. 29 of the 1,865 publications appeared in the last two years.

No. of publications
25 50 75 100 125
Bar chart. Horizontal axis: year, 1983 to 2026. Vertical axis: number of publications, 0 to 140. Peak 140 publications in 2013. 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 2 publications 1987: 0 publications 1988: 1 publication 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 1 publication 1996: 2 publications 1997: 3 publications 1998: 3 publications 1999: 4 publications 2000: 11 publications 2001: 27 publications 2002: 20 publications 2003: 34 publications 2004: 38 publications 2005: 37 publications 2006: 33 publications 2007: 37 publications 2008: 88 publications 2009: 77 publications 2010: 100 publications 2011: 102 publications 2012: 123 publications 2013: 140 publications 2014: 123 publications 2015: 118 publications 2016: 137 publications 2017: 66 publications 2018: 93 publications 2019: 90 publications 2020: 89 publications 2021: 88 publications 2022: 45 publications 2023: 59 publications 2024: 42 publications 2025: 28 publications 2026: 1 publication
1983 2026

1,865 publications in total across all disciplines

View publications per year as a table
Ikhlas A. Khan: publications per year, 1983 to 2026
Year Publications
1983 1
1984 0
1985 0
1986 2
1987 0
1988 1
1989 0
1990 0
1991 1
1992 0
1993 1
1994 0
1995 1
1996 2
1997 3
1998 3
1999 4
2000 11
2001 27
2002 20
2003 34
2004 38
2005 37
2006 33
2007 37
2008 88
2009 77
2010 100
2011 102
2012 123
2013 140
2014 123
2015 118
2016 137
2017 66
2018 93
2019 90
2020 89
2021 88
2022 45
2023 59
2024 42
2025 28
2026 1
Total 1,865
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Ikhlas A. Khan 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 Ikhlas A. Khan 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, 1,281–1,294 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: 1,282 publications — 99th percentile

99% 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
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 1,282
1,295+ 100
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Ikhlas A. Khan 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 Ikhlas A. Khan 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, 88–89 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: 88 D-Index — 88th percentile

88% 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
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 88
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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Overview

Ikhlas A. Khan is a researcher affiliated with the University of Mississippi in the United States. Their work spans multiple disciplines within the sciences, particularly focusing on Agricultural and Biological Sciences, Medicine, and Biochemistry, Genetics and Molecular Biology. The breadth of their research is reflected in a substantial body of publications and collaborations.

Khan's main subfields of study include Pharmacology, Molecular Biology, Plant Science, Complementary and Alternative Medicine, and Food Science. These areas highlight a cross-disciplinary approach combining natural products research with health sciences.

Key topics in Khan's research portfolio emphasize Phytochemistry and Biological Activities, Natural Product Bioactivities and Synthesis, Essential Oils and Antimicrobial Activity, and Pharmacological Effects of Natural Compounds. Other noted subjects include Phytochemicals and Antioxidant Activities, Traditional and Medicinal Uses of Annonaceae, and Drug-Induced Hepatotoxicity and Protection.

Their frequent publication venues demonstrate a consistent contribution to journals focused on natural products, pharmacology, and dietary supplements. These include Molecules, Natural Product Research, Journal of Pharmaceutical and Biomedical Analysis, Journal of Dietary Supplements, and Planta Medica.

Recent notable papers by Khan and collaborators include the following:

  • Integrative oncology: Addressing the global challenges of cancer prevention and treatment (2021), published in CA A Cancer Journal for Clinicians
  • Cannabis Inflorescence for Medical Purposes: USP Considerations for Quality Attributes (2020), published in Journal of Natural Products
  • Ashwagandha-induced liver injury: A case series from Iceland and the US Drug-Induced Liver Injury Network (2020), published in Liver International
  • HLA-B*35:01 and Green Tea-Induced Liver Injury (2020), published in Hepatology
  • Liver Injury Associated with Turmeric-A Growing Problem: Ten Cases from the Drug-Induced Liver Injury Network [DILIN] (2022), published in The American Journal of Medicine

Khan collaborates frequently with a set of co-authors, which suggests a well-established research network. Frequent collaborators include Bharathi Avula, Amar G. Chittiboyina, Zulfıqar Ali, Shabana I. Khan, and Jianping Zhao. The counts of joint publications range from around 38 to nearly 90, indicating sustained partnerships.

Best Publications

  • Assessment of Total Phenolic and Flavonoid Content, Antioxidant Properties, and Yield of Aeroponically and Conventionally Grown Leafy Vegetables and Fruit Crops: A Comparative Study

    Suman Chandra;Shabana Khan;Bharathi Avula;Hemant Lata

  • Structures of the intermediates of Kok's photosynthetic water oxidation clock.

    Jan Kern;Ruchira Chatterjee;Iris D. Young;Franklin D. Fuller

  • Structure of photosystem II and substrate binding at room temperature

    Iris D. Young;Mohamed Ibrahim;Ruchira Chatterjee;Sheraz Gul

  • Decarboxylation Study of Acidic Cannabinoids: A Novel Approach Using Ultra-High-Performance Supercritical Fluid Chromatography/Photodiode Array-Mass Spectrometry

    Mei Wang;Yan-Hong Wang;Bharathi Avula;Mohamed M. Radwan

  • Determination of beta-adrenergic receptor blocking pharmaceuticals in united states wastewater effluent

    D.B Huggett;I.A Khan;C.M Foran;D Schlenk

  • Cassia Cinnamon as a Source of Coumarin in Cinnamon-Flavored Food and Food Supplements in the United States

    Yan-Hong Wang;Bharathi Avula;N. P. Dhammika Nanayakkara;Jianping Zhao

  • Taking snapshots of photosynthetic water oxidation using femtosecond X-ray diffraction and spectroscopy

    Jan Kern;Rosalie Tran;Roberto Alonso-Mori;Sergey Koroidov

  • The inhibitory activity of natural products on plant p-hydroxyphenylpyruvate dioxygenase

    Giovanni Meazza;Brian E Scheffler;Mario R Tellez;Agnes M Rimando

  • Untangling the sequence of events during the S2 → S3 transition in photosystem II and implications for the water oxidation mechanism

    Mohamed Ibrahim;Thomas Fransson;Ruchira Chatterjee;Mun Hon Cheah

  • Schisandrene, a Dibenzocyclooctadiene Lignan from Schisandra chinensis: Structure−Antioxidant Activity Relationships of Dibenzocyclooctadiene Lignans⊥

    Young-Whan Choi;Satoshi Takamatsu;Shabana I. Khan;Pullela V. Srinivas

  • Confirmatory studies on the antioxidant and antidiabetic effect of quercetin in rats

    Mohamed Ahmed Abdelmoaty;M. A. Ibrahim;N. S. Ahmed;M. A. Abdelaziz

  • Drop-on-demand sample delivery for studying biocatalysts in action at X-ray free-electron lasers

    Franklin D Fuller;Sheraz Gul;Ruchira Chatterjee;E Sethe Burgie

  • Determination of steroidal saponins in Tribulus terrestris by reversed-phase high-performance liquid chromatography and evaporative light scattering detection.

    M. Ganzera;E. Bedir;I.A. Khan

  • Chemical Profiling and Standardization of Lepidium meyenii (Maca) by Reversed Phase High Performance Liquid Chromatography

    Markus Ganzera;Jianping Zhao;Ilias Muhammad;Ikhlas Ahmad Khan

  • Banisteriopsis caapi, a unique combination of MAO inhibitory and antioxidative constituents for the activities relevant to neurodegenerative disorders and Parkinson's disease.

    Volodymyr Samoylenko;Md. Mostafizur Rahman;Babu L. Tekwani;Lalit M. Tripathi

  • Drug absorption in vitro model: filter-immobilized artificial membranes: 2. Studies of the permeability properties of lactones in Piper methysticum Forst

    Alex Avdeef;Melissa Strafford;Eric Block;Michael P. Balogh

  • Insecticidal activity of 23 essential oils and their major compounds against adult Lipaphis pseudobrassicae (Davis) (Aphididae: Homoptera)

    Blair J Sampson;Nurhayat Tabanca;Nurhayat Tabanca;Nes'e Kirimer;Betul Demirci

  • Anti-depressant natural flavonols modulate BDNF and beta amyloid in neurons and hippocampus of double TgAD mice.

    Yan Hou;Marwa A. Aboukhatwa;De-Liang Lei;De-Liang Lei;Kebreten Manaye

  • The role of chemical fingerprinting: application to Ephedra

    Brian T Schaneberg;Sara Crockett;Erdal Bedir;Ikhlas A Khan

  • Comparison of Extraction Methods for Marker Compounds in the Essential Oil of Lemon Grass by GC

    Unknown

  • New Alkamides from Maca (Lepidium meyenii)

    Jianping Zhao;Ilias Muhammad;D. Chuck Dunbar;Jamal Mustafa

Frequent Co-Authors

Shabana I. Khan
Shabana I. Khan University of Mississippi
Larry A. Walker
Larry A. Walker University of Mississippi
Mahmoud A. ElSohly
Mahmoud A. ElSohly University of Mississippi
Babu L. Tekwani
Babu L. Tekwani Southern Research Institute
Xing-Cong Li
Xing-Cong Li University of Mississippi
K. Hüsnü Can Başer
K. Hüsnü Can Başer Near East University
Betül Demirci
Betül Demirci Anadolu University
Samir A. Ross
Samir A. Ross University of Mississippi
Alvaro Viljoen
Alvaro Viljoen Tshwane University of Technology
De-An Guo
De-An Guo Chinese Academy of Sciences

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