The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Geochemistry of Trace Elements
Soil and water pollution by toxic metals
Remediation of toxic metals contaminated soils and waters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,139
18,978
0.857
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,598
18,239
0.931
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Applied Mathematics
Continuum Mechanics
Theory of Elasticity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,249
11,313
0.588
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Desalination
Water-Energy Nexus
Solar Energy Applications
Nanomaterials' Applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,145
12,180
0.927
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Desalination
Evaporation
Nanofluid Applications
Heat Transfer
Solar Energy Applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,487
11,550
0.925
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Desalination - Renewable energy systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,492
9,811
0.854
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Artificial Intelligence
Microgrids
Hybrid Power systems
Renewable Energy Sources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,471
8,222
0.868
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Nano selenium
Nano nutrients
nanofibers
Plant nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,417
6,140
0.828
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Pharmaceutical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,826
5,925
0.868
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Nanochemistry - Photochemistry- Sensors - Wearable devices
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,599
4,959
0.751
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,747
4,417
0.930
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Natural Sciences
Agricultural Botany
Plant physiology
plant Anatomy
Biotic and Abiotic stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,698
4,305
0.916
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Plant Population Ecology
Wetland Ecology
Ecological Modeling
Carbon Sequestration
Phytoremediation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,437
3,743
0.844
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Food biotechnology
Food Safety
Natural Products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,314
2,723
0.631
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Plant Pathology
Reactive oxygen species
antioxidants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,194
3,500
0.835
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Soft Computing
Image Processing
Solar Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,077
1,698
0.416
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Inorganic chemistry
Nanochemistry
Water treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,880
2,780
0.716
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Applied Mathematics
Solid Mechanics
Nanostructures
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,783
2,397
0.634
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Agriculture
Animal science
Poultry production
Nutrition
biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,468
2,752
0.794
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Plant nutrition
soil microbiology
soil ecology
environmental pollution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,460
2,820
0.815
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Animal and poultry physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,438
2,546
0.741
* Total Citation Counts Rankings
Ranking Based On Selection: 22
semiconductors
photovoltaic
optoelectronics
2D-Materials
nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,388
1,443
0.426
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Anatomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,386
2,831
0.836
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Virology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,318
1,931
0.582
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Photocatalysis
Nanofibers
Green chemistry
Water treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,238
3,042
0.939
Sabry Shaheen
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,139
18,978
0.857
Geochemistry of Trace Elements
Soil and water pollution by toxic metals
Remediation of toxic metals contaminated soils and waters
Mahmoud Dawood
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,598
18,239
0.931
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
Ashraf M Zenkour
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,249
11,313
0.588
Applied Mathematics
Continuum Mechanics
Theory of Elasticity
Fadl A Essa
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,145
12,180
0.927
Desalination
Water-Energy Nexus
Solar Energy Applications
Nanomaterials' Applications
Swellam W Sharshir
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,487
11,550
0.925
Desalination
Evaporation
Nanofluid Applications
Heat Transfer
Solar Energy Applications
Zakaria Omara
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,492
9,811
0.854
Desalination - Renewable energy systems
Ragab A El Sehiemy
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,471
8,222
0.868
Artificial Intelligence
Microgrids
Hybrid Power systems
Renewable Energy Sources
Hassan El Ramady
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,417
6,140
0.828
Nano selenium
Nano nutrients
nanofibers
Plant nutrition
Wagdy M Eldehna
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,826
5,925
0.868
Pharmaceutical Chemistry
Maged El Kemary
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,599
4,959
0.751
Nanochemistry - Photochemistry- Sensors - Wearable devices
Mustafa Shukry
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,747
4,417
0.930
Khaled AA Abdelaal
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,698
4,305
0.916
Natural Sciences
Agricultural Botany
Plant physiology
plant Anatomy
Biotic and Abiotic stress
Ebrahem M Eid
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,437
3,743
0.844
Plant Population Ecology
Wetland Ecology
Ecological Modeling
Carbon Sequestration
Phytoremediation
Ahmed A Tayel
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,314
2,723
0.631
Food biotechnology
Food Safety
Natural Products
Yaser M Hafez
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,194
3,500
0.835
Plant Pathology
Reactive oxygen species
antioxidants
Hamdy K Al Moniar
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,077
1,698
0.416
Soft Computing
Image Processing
Solar Energy
Ibrahim Elmehasseb
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,880
2,780
0.716
Inorganic chemistry
Nanochemistry
Water treatment
Mohammed Sobhy
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,783
2,397
0.634
Applied Mathematics
Solid Mechanics
Nanostructures
Ahmed Ali Saleh
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,468
2,752
0.794
Agriculture
Animal science
Poultry production
Nutrition
biotechnology
Tarek Alshaal
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,460
2,820
0.815
Plant nutrition
soil microbiology
soil ecology
environmental pollution
Tarek Amin Ebeid
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,438
2,546
0.741
Animal and poultry physiology
Abdelhamid El Shaer
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,388
1,443
0.426
semiconductors
photovoltaic
optoelectronics
2D-Materials
nanotechnology
Mohammed Abu El Magd El Ghannam
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,386
2,831
0.836
Maged Gomaa Hemida
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,318
1,931
0.582
Kamel Rizq Shoueir
Kafr El Sheikh University
Kafr el-Sheikh, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,238
3,042
0.939
Photocatalysis
Nanofibers
Green chemistry
Water treatment