Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :26
Electroanalytical Chemistry
Corrosion
Coating and Biomaterials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,736
988
0.569
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :27
biology
nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,777
951
0.535
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :28
Thyroidology
Oncology
Reproductive Endocrinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,311
949
0.220
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :29
Biopolymers with potential biomedical applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,522
946
0.622
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :30
Nonlinear Ordinary Differential Equations
Integrable systems
Fractional Differential Equations
Nonlinear Partial Differential
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,224
873
0.393
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :31
Band structure
Semiconductors
shape memory alloys
Nano semiconductors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,197
751
0.627
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :32
Organic Chemistry
Heterocyclic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,789
722
0.259
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :33
Synthetic Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,789
722
0.259
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :34
Andrology/Reproductive Biology/ Neuroendocrinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,490
714
0.479
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :35
catalysis
photocatalyst
naomaterilas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
810
697
0.860
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :36
Nanooptoelectronics : X-ray Sensors
Solar cells
X-ray Shields
X-ray protective paints
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,238
695
0.561
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :37
Spintronics
Magnetic materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
848
670
0.790
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :38
Immunology Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,354
669
0.494
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :39
Spinal Cord Injury Repair - Neuronal death mechanisms - Stem cell application - Gene therapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,220
652
0.294
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :40
Human molecular Genetics
Zebrafish Model system
CHD
Angiogenesis
NonCoding RNA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
880
636
0.723
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :41
Benthic Foraminifera
Heavy minerals
Marine Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
913
612
0.670
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :42
Materials Science
Positron Annihilation
Defects
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,004
603
0.601
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :43
Nanomaterials for Chemical sensors and Biosensors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
964
603
0.626
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :44
Mathematical Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
801
577
0.720
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :45
Micropaleontology
Ostracoda
Foraminifera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,127
571
0.507
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :46
cardiovascular biology and regenerative medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
924
537
0.581
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :47
Functional materials
Nanocatalysis
Nanocomposite materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,484
485
0.327
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :48
Catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,295
444
0.343
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :49
Biomedical Imaging
Biometric Imaging
MEMS/NEMS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
673
436
0.648
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :50
Graph Theory
Fractional Calculus
Control Theory
Dynamical System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
425
0.906
K Ravichandran
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,736
988
0.569
Electroanalytical Chemistry
Corrosion
Coating and Biomaterials
Kathiravan Krishnan
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,777
951
0.535
Michael Aruldhas
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,311
949
0.220
Thyroidology
Oncology
Reproductive Endocrinology
Janarthanan Sundaram
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,522
946
0.622
Biopolymers with potential biomedical applications
R Sahadevan
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,224
873
0.393
Nonlinear Ordinary Differential Equations
Integrable systems
Fractional Differential Equations
Nonlinear Partial Differential
Rita John
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,197
751
0.627
Band structure
Semiconductors
shape memory alloys
Nano semiconductors
Kannan Mohanakrishnan
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,789
722
0.259
Organic Chemistry
Heterocyclic Chemistry
AK Mohanakrishnann
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,789
722
0.259
Seppan Prakash
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,490
714
0.479
Andrology/Reproductive Biology/ Neuroendocrinology
K Venkatachalam
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
810
697
0.860
catalysis
photocatalyst
naomaterilas
T Prakash
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,238
695
0.561
Nanooptoelectronics : X-ray Sensors
Solar cells
X-ray Shields
X-ray protective paints
K Ravichandran
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
848
670
0.790
Vivekanandhan Aravindhan
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,354
669
0.494
Sankar Venkatachalam
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,220
652
0.294
Spinal Cord Injury Repair - Neuronal death mechanisms - Stem cell application - Gene therapy
Anandan Balakrishnan
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
880
636
0.723
Human molecular Genetics
Zebrafish Model system
CHD
Angiogenesis
NonCoding RNA
M Suresh Gandhi
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
913
612
0.670
Benthic Foraminifera
Heavy minerals
Marine Geology
Sivaji Krishnan
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,004
603
0.601
Materials Science
Positron Annihilation
Defects
P Prabhu
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
964
603
0.626
Nanomaterials for Chemical sensors and Biosensors
M Pitchaimani
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
801
577
0.720
SM Hussain
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,127
571
0.507
Micropaleontology
Ostracoda
Foraminifera
Muhammed Ibrahim
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
924
537
0.581
cardiovascular biology and regenerative medicine
A Murugadoss
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,484
485
0.327
Functional materials
Nanocatalysis
Nanocomposite materials
Sasi Rekha
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,295
444
0.343
Damodaran Nedumaran
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
673
436
0.648
Biomedical Imaging
Biometric Imaging
MEMS/NEMS
K Kaliraj
University of Madras
Chennai, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
425
0.906
Graph Theory
Fractional Calculus
Control Theory
Dynamical System