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Highly Cited Researchers

University of Colombo Scientists Citation Rankings 2024

Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)

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Total 637 scientist
Luigi Colombo
Luigi Colombo
University of Texas Dallas
University of Texas Dallas
United States
Engineering & Technology / Metallurgical & Materials Engineering
Graphene
devices
2D materials
materials science
Citation Rankings
University / Institution:
# 2
Country:
# 2,784
Region:
# 3,011
World:
# 5,830
Citation
Total:
67,681
Last 6 Year:
26,653
Last 6 Year/Total:
0.394
i10 Index
Total:
214
Last 6 Year:
102
Last 6 Year/Total:
0.477
H-Index
Total:
80
Last 6 Year:
46
Last 6 Year/Total:
0.575
Achala Jayatilleke
Achala Jayatilleke i
University of Colombo
University of Colombo
Sri Lanka
Others
Digital Health
Health Information Systems
NCDs
Injury & Violence Prevention
Citation Rankings
University / Institution:
# 1
Country:
# 5
Region:
# 553
World:
# 5,897
Citation
Total:
67,239
Last 6 Year:
58,641
Last 6 Year/Total:
0.872
i10 Index
Total:
44
Last 6 Year:
43
Last 6 Year/Total:
0.977
H-Index
Total:
38
Last 6 Year:
34
Last 6 Year/Total:
0.895
Priyanga Ranasinghe
Priyanga Ranasinghe i
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Pharmacology
Clinical Pharmacology
Hypertension
Non-Communicable Diseases
Citation Rankings
University / Institution:
# 2
Country:
# 7
Region:
# 3,366
World:
# 31,503
Citation
Total:
23,200
Last 6 Year:
20,830
Last 6 Year/Total:
0.898
i10 Index
Total:
84
Last 6 Year:
76
Last 6 Year/Total:
0.905
H-Index
Total:
50
Last 6 Year:
44
Last 6 Year/Total:
0.880
Ranil Jayawardena
Ranil Jayawardena i
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Nutrition and Dietetics
Nutrition
Obesity
Non-communicable Diseases
Citation Rankings
University / Institution:
# 3
Country:
# 9
Region:
# 4,297
World:
# 38,753
Citation
Total:
20,024
Last 6 Year:
18,102
Last 6 Year/Total:
0.904
i10 Index
Total:
87
Last 6 Year:
86
Last 6 Year/Total:
0.989
H-Index
Total:
50
Last 6 Year:
47
Last 6 Year/Total:
0.940
Upul Sonnadara
Upul Sonnadara i
University of Colombo
University of Colombo
Sri Lanka
Natural Sciences / Physics
Particle Physics
Computational Science
Atmospheric Sciences
Citation Rankings
University / Institution:
# 4
Country:
# 10
Region:
# 4,601
World:
# 40,979
Citation
Total:
19,242
Last 6 Year:
15,813
Last 6 Year/Total:
0.822
i10 Index
Total:
306
Last 6 Year:
246
Last 6 Year/Total:
0.804
H-Index
Total:
69
Last 6 Year:
66
Last 6 Year/Total:
0.957
Malagalage Kithsiri Jayananda
Malagalage Kithsiri Jayananda i
University of Colombo
University of Colombo
Sri Lanka
Natural Sciences / Physics
Relativistic Heavy Ion Physics
Particle Physics
Instrumentation
Chaos
Citation Rankings
University / Institution:
# 5
Country:
# 16
Region:
# 7,665
World:
# 62,652
Citation
Total:
13,995
Last 6 Year:
10,720
Last 6 Year/Total:
0.766
i10 Index
Total:
201
Last 6 Year:
183
Last 6 Year/Total:
0.910
H-Index
Total:
64
Last 6 Year:
59
Last 6 Year/Total:
0.922
John Colombo
John Colombo
University of Kansas
University of Kansas
United States
Social Sciences / Psychology
Developmental cognitive neuroscience
Citation Rankings
University / Institution:
# 77
Country:
# 27,578
Region:
# 30,467
World:
# 65,280
Citation
Total:
13,571
Last 6 Year:
4,784
Last 6 Year/Total:
0.353
i10 Index
Total:
128
Last 6 Year:
83
Last 6 Year/Total:
0.648
H-Index
Total:
59
Last 6 Year:
33
Last 6 Year/Total:
0.559
Prasad Katulanda
Prasad Katulanda
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Endocrinology and Metabolism
Diabetes
Endocrinology and Non-Communicable Diseases
Epidemiology
Citation Rankings
University / Institution:
# 6
Country:
# 24
Region:
# 12,803
World:
# 96,746
Citation
Total:
9,821
Last 6 Year:
5,680
Last 6 Year/Total:
0.578
i10 Index
Total:
88
Last 6 Year:
75
Last 6 Year/Total:
0.852
H-Index
Total:
44
Last 6 Year:
38
Last 6 Year/Total:
0.864
Chathuranga Ranasinghe
Chathuranga Ranasinghe
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Sports Medicine
Sports Medicine
Clinical Exercise Physiology
Non Communicable Diseases
Citation Rankings
University / Institution:
# 7
Country:
# 29
Region:
# 16,406
World:
# 119,334
Citation
Total:
8,155
Last 6 Year:
7,864
Last 6 Year/Total:
0.964
i10 Index
Total:
15
Last 6 Year:
15
Last 6 Year/Total:
1.000
H-Index
Total:
14
Last 6 Year:
14
Last 6 Year/Total:
1.000
Chandrika Wijeyaratne
Chandrika Wijeyaratne
University of Colombo
University of Colombo
Sri Lanka
Others
Women's Health
GDM
PCOS
Metabolic syndrome
Citation Rankings
University / Institution:
# 8
Country:
# 39
Region:
# 20,736
World:
# 145,053
Citation
Total:
6,810
Last 6 Year:
3,816
Last 6 Year/Total:
0.560
i10 Index
Total:
49
Last 6 Year:
41
Last 6 Year/Total:
0.837
H-Index
Total:
31
Last 6 Year:
25
Last 6 Year/Total:
0.806
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Daya Ratnasooriya
Daya Ratnasooriya
University of Colombo
University of Colombo
Sri Lanka
Natural Sciences / Biological Science
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
Citation Rankings
University / Institution:
# 9
Country:
# 47
Region:
# 22,433
World:
# 155,196
Citation
Total:
6,379
Last 6 Year:
2,248
Last 6 Year/Total:
0.352
i10 Index
Total:
141
Last 6 Year:
60
Last 6 Year/Total:
0.426
H-Index
Total:
41
Last 6 Year:
23
Last 6 Year/Total:
0.561
Umesh Jayarajah
Umesh Jayarajah i
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / General Surgery
Surgery
Cancer
Epidemiology
Citation Rankings
University / Institution:
# 10
Country:
# 49
Region:
# 22,559
World:
# 155,858
Citation
Total:
6,353
Last 6 Year:
6,265
Last 6 Year/Total:
0.986
i10 Index
Total:
78
Last 6 Year:
77
Last 6 Year/Total:
0.987
H-Index
Total:
35
Last 6 Year:
33
Last 6 Year/Total:
0.943
Senaka Rajapakse
Senaka Rajapakse
University of Colombo
University of Colombo
Sri Lanka
Others
acute medicine
critical care
tropical medicine
Citation Rankings
University / Institution:
# 11
Country:
# 51
Region:
# 22,914
World:
# 157,822
Citation
Total:
6,277
Last 6 Year:
3,466
Last 6 Year/Total:
0.552
i10 Index
Total:
92
Last 6 Year:
72
Last 6 Year/Total:
0.783
H-Index
Total:
43
Last 6 Year:
33
Last 6 Year/Total:
0.767
Carukshi Arambepola
Carukshi Arambepola
University of Colombo
University of Colombo
Sri Lanka
Others
Non communicable disease epidemiology and prevention
Citation Rankings
University / Institution:
# 12
Country:
# 52
Region:
# 23,647
World:
# 161,871
Citation
Total:
6,123
Last 6 Year:
3,867
Last 6 Year/Total:
0.632
i10 Index
Total:
62
Last 6 Year:
53
Last 6 Year/Total:
0.855
H-Index
Total:
29
Last 6 Year:
24
Last 6 Year/Total:
0.828
Ravi Wijesundera
Ravi Wijesundera
University of Colombo
University of Colombo
Sri Lanka
Agriculture & Forestry / Plant Science
Plant Pathology
Mycology
Natural Products
Post Harvest Biology
Citation Rankings
University / Institution:
# 13
Country:
# 54
Region:
# 24,882
World:
# 168,799
Citation
Total:
5,872
Last 6 Year:
3,342
Last 6 Year/Total:
0.569
i10 Index
Total:
72
Last 6 Year:
37
Last 6 Year/Total:
0.514
H-Index
Total:
29
Last 6 Year:
18
Last 6 Year/Total:
0.621
Nadira Karunaweera
Nadira Karunaweera
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Parasitology
Malaria
Neglected Tropical Diseases
Leishmaniasis
Soil-transmitted Helminthiasis
Citation Rankings
University / Institution:
# 14
Country:
# 64
Region:
# 28,446
World:
# 188,654
Citation
Total:
5,242
Last 6 Year:
2,135
Last 6 Year/Total:
0.407
i10 Index
Total:
95
Last 6 Year:
67
Last 6 Year/Total:
0.705
H-Index
Total:
37
Last 6 Year:
26
Last 6 Year/Total:
0.703
Michael Colombo
Michael Colombo
University of Otago
University of Otago
New Zealand
Social Sciences / Psychology
Neuroscience
comparative animal cognition
Citation Rankings
University / Institution:
# 195
Country:
# 997
Region:
# 9,659
World:
# 189,939
Citation
Total:
5,204
Last 6 Year:
1,413
Last 6 Year/Total:
0.272
i10 Index
Total:
71
Last 6 Year:
41
Last 6 Year/Total:
0.577
H-Index
Total:
38
Last 6 Year:
20
Last 6 Year/Total:
0.526
Shaman Rajindrajith
Shaman Rajindrajith
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Pediatrics and Child Health
Pediatrics
Gastroenterology
Medicine
Citation Rankings
University / Institution:
# 15
Country:
# 73
Region:
# 32,146
World:
# 208,696
Citation
Total:
4,721
Last 6 Year:
2,801
Last 6 Year/Total:
0.593
i10 Index
Total:
73
Last 6 Year:
64
Last 6 Year/Total:
0.877
H-Index
Total:
40
Last 6 Year:
32
Last 6 Year/Total:
0.800
Gdn Perera
Gdn Perera
University of Colombo
University of Colombo
Sri Lanka
Natural Sciences / Physics
Nuclear Physics
Particle Physics
High energy Physics
Quantum Field Theory
Citation Rankings
University / Institution:
# 16
Country:
# 74
Region:
# 32,192
World:
# 208,925
Citation
Total:
4,716
Last 6 Year:
2,577
Last 6 Year/Total:
0.546
i10 Index
Total:
60
Last 6 Year:
54
Last 6 Year/Total:
0.900
H-Index
Total:
32
Last 6 Year:
28
Last 6 Year/Total:
0.875
Nv Chandrasekharan
Nv Chandrasekharan
University of Colombo
University of Colombo
Sri Lanka
Others
Citation Rankings
University / Institution:
# 17
Country:
# 75
Region:
# 32,243
World:
# 209,222
Citation
Total:
4,710
Last 6 Year:
1,291
Last 6 Year/Total:
0.274
i10 Index
Total:
38
Last 6 Year:
23
Last 6 Year/Total:
0.605
H-Index
Total:
22
Last 6 Year:
16
Last 6 Year/Total:
0.727
Jennifer Perera
Jennifer Perera
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Medical Microbiology
Medical Microbiology
Infectious Diseases
Antimicrobial Resistance
Tuberculosis
Women's Health and Medical education
Citation Rankings
University / Institution:
# 18
Country:
# 77
Region:
# 32,614
World:
# 211,049
Citation
Total:
4,668
Last 6 Year:
1,467
Last 6 Year/Total:
0.314
i10 Index
Total:
50
Last 6 Year:
32
Last 6 Year/Total:
0.640
H-Index
Total:
30
Last 6 Year:
20
Last 6 Year/Total:
0.667
Godwin Constantine
Godwin Constantine
University of Colombo
University of Colombo
Sri Lanka
Others
Citation Rankings
University / Institution:
# 19
Country:
# 82
Region:
# 35,956
World:
# 228,693
Citation
Total:
4,280
Last 6 Year:
2,435
Last 6 Year/Total:
0.569
i10 Index
Total:
43
Last 6 Year:
36
Last 6 Year/Total:
0.837
H-Index
Total:
24
Last 6 Year:
22
Last 6 Year/Total:
0.917
Gominda Ponnamperuma
Gominda Ponnamperuma
University of Colombo
University of Colombo
Sri Lanka
Medical and Health Sciences / Medical Education
Medical Education
Citation Rankings
University / Institution:
# 20
Country:
# 83
Region:
# 36,151
World:
# 229,611
Citation
Total:
4,261
Last 6 Year:
2,264
Last 6 Year/Total:
0.531
i10 Index
Total:
33
Last 6 Year:
27
Last 6 Year/Total:
0.818
H-Index
Total:
21
Last 6 Year:
18
Last 6 Year/Total:
0.857
KM Nalin De Silva
KM Nalin De Silva
University of Colombo
University of Colombo
Sri Lanka
Engineering & Technology / Nanoscience and Nanotechnology
Physical Chemistry and Advanced Materials
Citation Rankings
University / Institution:
# 21
Country:
# 90
Region:
# 38,457
World:
# 241,713
Citation
Total:
4,031
Last 6 Year:
2,811
Last 6 Year/Total:
0.697
i10 Index
Total:
71
Last 6 Year:
60
Last 6 Year/Total:
0.845
H-Index
Total:
37
Last 6 Year:
33
Last 6 Year/Total:
0.892
Saroj Jayasinghe
Saroj Jayasinghe
University of Colombo
University of Colombo
Sri Lanka
Others
clinical reasoning
complexity science
health equity
social determinants of health
Citation Rankings
University / Institution:
# 22
Country:
# 92
Region:
# 39,151
World:
# 245,246
Citation
Total:
3,969
Last 6 Year:
2,333
Last 6 Year/Total:
0.588
i10 Index
Total:
74
Last 6 Year:
48
Last 6 Year/Total:
0.649
H-Index
Total:
32
Last 6 Year:
22
Last 6 Year/Total:
0.688
AD Scientific Index - World Citation Ranking - 2024 CITATION H INDEX i10 INDEX
University Country Region World Name Country University / Institution Subject Total Last 6 Year Last 6 year/total Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total
2 2,784 3,011 5,830
Luigi ColomboLuigi Colombo
United States United States University of Texas Dallas University of Texas Dallas Engineering & Technology / Metallurgical & Materials Engineering

Graphene | devices | 2D materials | materials science |

67,681 26,653 0.394 80 46 0.575 214 102 0.477
1 5 553 5,897
Achala JayatillekeAchala Jayatilleke i
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

Digital Health | Health Information Systems | NCDs | Injury & Violence Prevention |

67,239 58,641 0.872 38 34 0.895 44 43 0.977
2 7 3,366 31,503
Priyanga RanasinghePriyanga Ranasinghe i
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Pharmacology

Clinical Pharmacology | Hypertension | Non-Communicable Diseases |

23,200 20,830 0.898 50 44 0.880 84 76 0.905
3 9 4,297 38,753
Ranil JayawardenaRanil Jayawardena i
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Nutrition and Dietetics

Nutrition | Obesity | Non-communicable Diseases |

20,024 18,102 0.904 50 47 0.940 87 86 0.989
4 10 4,601 40,979
Upul SonnadaraUpul Sonnadara i
Sri Lanka Sri Lanka University of Colombo University of Colombo Natural Sciences / Physics

Particle Physics | Computational Science | Atmospheric Sciences |

19,242 15,813 0.822 69 66 0.957 306 246 0.804
5 16 7,665 62,652
Malagalage Kithsiri JayanandaMalagalage Kithsiri Jayananda i
Sri Lanka Sri Lanka University of Colombo University of Colombo Natural Sciences / Physics

Relativistic Heavy Ion Physics | Particle Physics | Instrumentation | Chaos |

13,995 10,720 0.766 64 59 0.922 201 183 0.910
77 27,578 30,467 65,280
John ColomboJohn Colombo
United States United States University of Kansas University of Kansas Social Sciences / Psychology

Developmental cognitive neuroscience |

13,571 4,784 0.353 59 33 0.559 128 83 0.648
6 24 12,803 96,746
Prasad KatulandaPrasad Katulanda
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Endocrinology and Metabolism

Diabetes | Endocrinology and Non-Communicable Diseases | Epidemiology |

9,821 5,680 0.578 44 38 0.864 88 75 0.852
7 29 16,406 119,334
Chathuranga RanasingheChathuranga Ranasinghe
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Sports Medicine

Sports Medicine | Clinical Exercise Physiology | Non Communicable Diseases |

8,155 7,864 0.964 14 14 1.000 15 15 1.000
8 39 20,736 145,053
Chandrika WijeyaratneChandrika Wijeyaratne
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

Women's Health | GDM | PCOS | Metabolic syndrome |

6,810 3,816 0.560 31 25 0.806 49 41 0.837
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9 47 22,433 155,196
Daya RatnasooriyaDaya Ratnasooriya
Sri Lanka Sri Lanka University of Colombo University of Colombo Natural Sciences / Biological Science

Mammalian Biology | Physiology | Bio activity of natural products | Toxicology |

6,379 2,248 0.352 41 23 0.561 141 60 0.426
10 49 22,559 155,858
Umesh JayarajahUmesh Jayarajah i
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / General Surgery

Surgery | Cancer | Epidemiology |

6,353 6,265 0.986 35 33 0.943 78 77 0.987
11 51 22,914 157,822
Senaka RajapakseSenaka Rajapakse
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

acute medicine | critical care | tropical medicine |

6,277 3,466 0.552 43 33 0.767 92 72 0.783
12 52 23,647 161,871
Carukshi ArambepolaCarukshi Arambepola
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

Non communicable disease epidemiology and prevention |

6,123 3,867 0.632 29 24 0.828 62 53 0.855
13 54 24,882 168,799
Ravi WijesunderaRavi Wijesundera
Sri Lanka Sri Lanka University of Colombo University of Colombo Agriculture & Forestry / Plant Science

Plant Pathology | Mycology | Natural Products | Post Harvest Biology |

5,872 3,342 0.569 29 18 0.621 72 37 0.514
14 64 28,446 188,654
Nadira KarunaweeraNadira Karunaweera
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Parasitology

Malaria | Neglected Tropical Diseases | Leishmaniasis | Soil-transmitted Helminthiasis |

5,242 2,135 0.407 37 26 0.703 95 67 0.705
195 997 9,659 189,939
Michael ColomboMichael Colombo
New Zealand New Zealand University of Otago University of Otago Social Sciences / Psychology

Neuroscience | comparative animal cognition |

5,204 1,413 0.272 38 20 0.526 71 41 0.577
15 73 32,146 208,696
Shaman RajindrajithShaman Rajindrajith
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Pediatrics and Child Health

Pediatrics | Gastroenterology | Medicine |

4,721 2,801 0.593 40 32 0.800 73 64 0.877
16 74 32,192 208,925
Gdn PereraGdn Perera
Sri Lanka Sri Lanka University of Colombo University of Colombo Natural Sciences / Physics

Nuclear Physics | Particle Physics | High energy Physics | Quantum Field Theory |

4,716 2,577 0.546 32 28 0.875 60 54 0.900
17 75 32,243 209,222
Nv ChandrasekharanNv Chandrasekharan
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

4,710 1,291 0.274 22 16 0.727 38 23 0.605
18 77 32,614 211,049
Jennifer PereraJennifer Perera
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Medical Microbiology

Medical Microbiology | Infectious Diseases | Antimicrobial Resistance | Tuberculosis | Women's Health and Medical education |

4,668 1,467 0.314 30 20 0.667 50 32 0.640
19 82 35,956 228,693
Godwin ConstantineGodwin Constantine
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

4,280 2,435 0.569 24 22 0.917 43 36 0.837
20 83 36,151 229,611
Gominda PonnamperumaGominda Ponnamperuma
Sri Lanka Sri Lanka University of Colombo University of Colombo Medical and Health Sciences / Medical Education

Medical Education |

4,261 2,264 0.531 21 18 0.857 33 27 0.818
21 90 38,457 241,713
KM Nalin De SilvaKM Nalin De Silva
Sri Lanka Sri Lanka University of Colombo University of Colombo Engineering & Technology / Nanoscience and Nanotechnology

Physical Chemistry and Advanced Materials |

4,031 2,811 0.697 37 33 0.892 71 60 0.845
22 92 39,151 245,246
Saroj JayasingheSaroj Jayasinghe
Sri Lanka Sri Lanka University of Colombo University of Colombo Others

clinical reasoning | complexity science | health equity | social determinants of health |

3,969 2,333 0.588 32 22 0.688 74 48 0.649