Nnamdi Azikiwe University
Publications
2 731
Citations
35 589
h-index
74
Top-3 journals
SSRN Electronic Journal
(132 publications)
Heliyon
(43 publications)
Bioresource Technology
(26 publications)
Top-3 organizations
University of Ilorin
(205 publications)
Nnamdi Azikiwe University Teaching Hospital
(147 publications)
University of Ibadan
(108 publications)
Top-3 foreign organizations
University of Johannesburg
(51 publications)
University of the Free State
(48 publications)
Heinrich Heine University Düsseldorf
(41 publications)
Since 1992
Total publications
2731
Total citations
35589
Citations per publication
13.03
Average publications per year
82.76
Average authors per publication
5.46
h-index
74
Metrics description
h-index
A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.
Top-30
Fields of science
50
100
150
200
250
300
350
400
|
|
General Medicine
|
General Medicine, 381, 13.95%
General Medicine
381 publications, 13.95%
|
Public Health, Environmental and Occupational Health
|
Public Health, Environmental and Occupational Health, 163, 5.97%
Public Health, Environmental and Occupational Health
163 publications, 5.97%
|
Waste Management and Disposal
|
Waste Management and Disposal, 148, 5.42%
Waste Management and Disposal
148 publications, 5.42%
|
Renewable Energy, Sustainability and the Environment
|
Renewable Energy, Sustainability and the Environment, 147, 5.38%
Renewable Energy, Sustainability and the Environment
147 publications, 5.38%
|
General Chemical Engineering
|
General Chemical Engineering, 131, 4.8%
General Chemical Engineering
131 publications, 4.8%
|
Environmental Chemistry
|
Environmental Chemistry, 125, 4.58%
Environmental Chemistry
125 publications, 4.58%
|
Environmental Engineering
|
Environmental Engineering, 123, 4.5%
Environmental Engineering
123 publications, 4.5%
|
Pollution
|
Pollution, 119, 4.36%
Pollution
119 publications, 4.36%
|
Materials Chemistry
|
Materials Chemistry, 117, 4.28%
Materials Chemistry
117 publications, 4.28%
|
Multidisciplinary
|
Multidisciplinary, 109, 3.99%
Multidisciplinary
109 publications, 3.99%
|
Infectious Diseases
|
Infectious Diseases, 98, 3.59%
Infectious Diseases
98 publications, 3.59%
|
Polymers and Plastics
|
Polymers and Plastics, 94, 3.44%
Polymers and Plastics
94 publications, 3.44%
|
General Environmental Science
|
General Environmental Science, 92, 3.37%
General Environmental Science
92 publications, 3.37%
|
General Chemistry
|
General Chemistry, 91, 3.33%
General Chemistry
91 publications, 3.33%
|
Health, Toxicology and Mutagenesis
|
Health, Toxicology and Mutagenesis, 90, 3.3%
Health, Toxicology and Mutagenesis
90 publications, 3.3%
|
Mechanical Engineering
|
Mechanical Engineering, 76, 2.78%
Mechanical Engineering
76 publications, 2.78%
|
Water Science and Technology
|
Water Science and Technology, 70, 2.56%
Water Science and Technology
70 publications, 2.56%
|
Physical and Theoretical Chemistry
|
Physical and Theoretical Chemistry, 69, 2.53%
Physical and Theoretical Chemistry
69 publications, 2.53%
|
Management, Monitoring, Policy and Law
|
Management, Monitoring, Policy and Law, 68, 2.49%
Management, Monitoring, Policy and Law
68 publications, 2.49%
|
Biochemistry
|
Biochemistry, 67, 2.45%
Biochemistry
67 publications, 2.45%
|
Pharmacology
|
Pharmacology, 66, 2.42%
Pharmacology
66 publications, 2.42%
|
Industrial and Manufacturing Engineering
|
Industrial and Manufacturing Engineering, 66, 2.42%
Industrial and Manufacturing Engineering
66 publications, 2.42%
|
General Materials Science
|
General Materials Science, 65, 2.38%
General Materials Science
65 publications, 2.38%
|
Mechanics of Materials
|
Mechanics of Materials, 64, 2.34%
Mechanics of Materials
64 publications, 2.34%
|
Pharmacology (medical)
|
Pharmacology (medical), 62, 2.27%
Pharmacology (medical)
62 publications, 2.27%
|
Health Policy
|
Health Policy, 60, 2.2%
Health Policy
60 publications, 2.2%
|
General Engineering
|
General Engineering, 58, 2.12%
General Engineering
58 publications, 2.12%
|
Psychiatry and Mental health
|
Psychiatry and Mental health, 57, 2.09%
Psychiatry and Mental health
57 publications, 2.09%
|
Obstetrics and Gynecology
|
Obstetrics and Gynecology, 57, 2.09%
Obstetrics and Gynecology
57 publications, 2.09%
|
Drug Discovery
|
Drug Discovery, 55, 2.01%
Drug Discovery
55 publications, 2.01%
|
50
100
150
200
250
300
350
400
|
Journals
20
40
60
80
100
120
140
|
|
SSRN Electronic Journal
132 publications, 4.83%
|
|
Heliyon
43 publications, 1.57%
|
|
Bioresource Technology
26 publications, 0.95%
|
|
Polymer-Plastics Technology and Materials
24 publications, 0.88%
|
|
Applied Water Science
22 publications, 0.81%
|
|
Journal of Environmental Chemical Engineering
19 publications, 0.7%
|
|
Scientific Reports
18 publications, 0.66%
|
|
Biomass Conversion and Biorefinery
17 publications, 0.62%
|
|
Value in Health
17 publications, 0.62%
|
|
PLoS ONE
17 publications, 0.62%
|
|
Environmental Science and Pollution Research
17 publications, 0.62%
|
|
Chemistry Africa
17 publications, 0.62%
|
|
Current Research in Green and Sustainable Chemistry
17 publications, 0.62%
|
|
International Journal of Environmental Analytical Chemistry
14 publications, 0.51%
|
|
Sugar Tech
14 publications, 0.51%
|
|
Scientific African
14 publications, 0.51%
|
|
Biofuels
13 publications, 0.48%
|
|
Cleaner Materials
13 publications, 0.48%
|
|
Cleaner Chemical Engineering
13 publications, 0.48%
|
|
Sustainability
12 publications, 0.44%
|
|
International Journal of Polymeric Materials and Polymeric Biomaterials
12 publications, 0.44%
|
|
International Journal of Infectious Diseases
11 publications, 0.4%
|
|
Cochrane Database of Systematic Reviews
11 publications, 0.4%
|
|
International Journal of Environmental Science and Technology
11 publications, 0.4%
|
|
South African Journal of Chemical Engineering
11 publications, 0.4%
|
|
European Journal of Theoretical and Applied Sciences
11 publications, 0.4%
|
|
Natural Product Research
10 publications, 0.37%
|
|
Journal of Molecular Liquids
10 publications, 0.37%
|
|
Journal of African Earth Sciences
10 publications, 0.37%
|
|
International Journal of Advanced Manufacturing Technology
10 publications, 0.37%
|
|
20
40
60
80
100
120
140
|
Publishers
100
200
300
400
500
600
700
|
|
Elsevier
689 publications, 25.23%
|
|
Springer Nature
591 publications, 21.64%
|
|
Taylor & Francis
298 publications, 10.91%
|
|
Wiley
180 publications, 6.59%
|
|
Social Science Electronic Publishing
126 publications, 4.61%
|
|
SAGE
120 publications, 4.39%
|
|
MDPI
68 publications, 2.49%
|
|
Hindawi Limited
43 publications, 1.57%
|
|
Emerald
41 publications, 1.5%
|
|
Walter de Gruyter
37 publications, 1.35%
|
|
Oxford University Press
34 publications, 1.24%
|
|
Public Library of Science (PLoS)
24 publications, 0.88%
|
|
IOP Publishing
24 publications, 0.88%
|
|
Georg Thieme Verlag KG
21 publications, 0.77%
|
|
Ovid Technologies (Wolters Kluwer Health)
20 publications, 0.73%
|
|
IGI Global
18 publications, 0.66%
|
|
Frontiers Media S.A.
17 publications, 0.62%
|
|
BMJ
16 publications, 0.59%
|
|
Bentham Science Publishers Ltd.
15 publications, 0.55%
|
|
King Saud University
15 publications, 0.55%
|
|
AOSIS
12 publications, 0.44%
|
|
AMO Publisher
12 publications, 0.44%
|
|
Cambridge University Press
11 publications, 0.4%
|
|
American Chemical Society (ACS)
10 publications, 0.37%
|
|
Pharmaceutical Society of Japan
9 publications, 0.33%
|
|
Federation of American Societies for Experimental Biology (FASEB)
9 publications, 0.33%
|
|
Mark Allen Group
8 publications, 0.29%
|
|
Inderscience Publishers
8 publications, 0.29%
|
|
International Journal for Research in Applied Science and Engineering Technology (IJRASET), 8, 0.29%
International Journal for Research in Applied Science and Engineering Technology (IJRASET)
8 publications, 0.29%
|
|
IOS Press
7 publications, 0.26%
|
|
100
200
300
400
500
600
700
|
With other organizations
50
100
150
200
250
|
|
University of Ilorin
205 publications, 7.51%
|
|
Nnamdi Azikiwe University Teaching Hospital
147 publications, 5.38%
|
|
University of Ibadan
108 publications, 3.95%
|
|
Enugu State University of Science and Technology
95 publications, 3.48%
|
|
Federal University of Technology Owerri
90 publications, 3.3%
|
|
Ebonyi State University
89 publications, 3.26%
|
|
Michael Okpara University of Agriculture
75 publications, 2.75%
|
|
University of Lagos
69 publications, 2.53%
|
|
Landmark University
68 publications, 2.49%
|
|
University of Calabar
59 publications, 2.16%
|
|
University of Nigeria Teaching Hospital
59 publications, 2.16%
|
|
University of Johannesburg
51 publications, 1.87%
|
|
University of the Free State
48 publications, 1.76%
|
|
University of Port Harcourt
41 publications, 1.5%
|
|
Heinrich Heine University Düsseldorf
41 publications, 1.5%
|
|
University of Benin
39 publications, 1.43%
|
|
Federal University of Petroleum Resource Effurun
37 publications, 1.35%
|
|
Obafemi Awolowo University
37 publications, 1.35%
|
|
Texas Tech University
37 publications, 1.35%
|
|
Kansas State University
36 publications, 1.32%
|
|
Delta State University
33 publications, 1.21%
|
|
Bayero University, Kano
28 publications, 1.03%
|
|
University of Jos
28 publications, 1.03%
|
|
Ladoke Akintola University of Technology
27 publications, 0.99%
|
|
University of Maiduguri
27 publications, 0.99%
|
|
Wrocław University of Environmental and Life Sciences
24 publications, 0.88%
|
|
University of Chinese Academy of Sciences
23 publications, 0.84%
|
|
University of Southampton
23 publications, 0.84%
|
|
University of South Africa
23 publications, 0.84%
|
|
Ahmadu Bello University
23 publications, 0.84%
|
|
50
100
150
200
250
|
With foreign organizations
10
20
30
40
50
60
|
|
University of Johannesburg
51 publications, 1.87%
|
|
University of the Free State
48 publications, 1.76%
|
|
Heinrich Heine University Düsseldorf
41 publications, 1.5%
|
|
Texas Tech University
37 publications, 1.35%
|
|
Kansas State University
36 publications, 1.32%
|
|
Wrocław University of Environmental and Life Sciences
24 publications, 0.88%
|
|
University of Chinese Academy of Sciences
23 publications, 0.84%
|
|
University of Southampton
23 publications, 0.84%
|
|
University of South Africa
23 publications, 0.84%
|
|
University of Pretoria
20 publications, 0.73%
|
|
North-West University
20 publications, 0.73%
|
|
University of the Witwatersrand
19 publications, 0.7%
|
|
University of Sharjah
17 publications, 0.62%
|
|
Nelson Mandela University
17 publications, 0.62%
|
|
King Saud University
16 publications, 0.59%
|
|
University of Technology, Malaysia
15 publications, 0.55%
|
|
Johns Hopkins University
15 publications, 0.55%
|
|
Zabol University of Medical Sciences
14 publications, 0.51%
|
|
Leibniz Institute for Prevention Research and Epidemiology
14 publications, 0.51%
|
|
University of Bremen
14 publications, 0.51%
|
|
University of Sheffield
13 publications, 0.48%
|
|
Shoolini University
12 publications, 0.44%
|
|
Harvard University
12 publications, 0.44%
|
|
Tshwane University of Technology
11 publications, 0.4%
|
|
University of Ghana
11 publications, 0.4%
|
|
Peking University
10 publications, 0.37%
|
|
University of Cape Town
10 publications, 0.37%
|
|
Brunel University London
9 publications, 0.33%
|
|
Jiangsu University
9 publications, 0.33%
|
|
University of Manchester
9 publications, 0.33%
|
|
10
20
30
40
50
60
|
With other countries
50
100
150
200
250
300
|
|
USA
|
USA, 277, 10.14%
USA
277 publications, 10.14%
|
United Kingdom
|
United Kingdom, 185, 6.77%
United Kingdom
185 publications, 6.77%
|
South Africa
|
South Africa, 170, 6.22%
South Africa
170 publications, 6.22%
|
Germany
|
Germany, 120, 4.39%
Germany
120 publications, 4.39%
|
China
|
China, 107, 3.92%
China
107 publications, 3.92%
|
India
|
India, 86, 3.15%
India
86 publications, 3.15%
|
Canada
|
Canada, 60, 2.2%
Canada
60 publications, 2.2%
|
Egypt
|
Egypt, 58, 2.12%
Egypt
58 publications, 2.12%
|
Malaysia
|
Malaysia, 52, 1.9%
Malaysia
52 publications, 1.9%
|
Australia
|
Australia, 45, 1.65%
Australia
45 publications, 1.65%
|
Iran
|
Iran, 37, 1.35%
Iran
37 publications, 1.35%
|
Italy
|
Italy, 37, 1.35%
Italy
37 publications, 1.35%
|
Cameroon
|
Cameroon, 35, 1.28%
Cameroon
35 publications, 1.28%
|
Saudi Arabia
|
Saudi Arabia, 33, 1.21%
Saudi Arabia
33 publications, 1.21%
|
Poland
|
Poland, 32, 1.17%
Poland
32 publications, 1.17%
|
Ghana
|
Ghana, 28, 1.03%
Ghana
28 publications, 1.03%
|
Kenya
|
Kenya, 27, 0.99%
Kenya
27 publications, 0.99%
|
Brazil
|
Brazil, 26, 0.95%
Brazil
26 publications, 0.95%
|
Uganda
|
Uganda, 25, 0.92%
Uganda
25 publications, 0.92%
|
Switzerland
|
Switzerland, 25, 0.92%
Switzerland
25 publications, 0.92%
|
Japan
|
Japan, 23, 0.84%
Japan
23 publications, 0.84%
|
Iraq
|
Iraq, 22, 0.81%
Iraq
22 publications, 0.81%
|
UAE
|
UAE, 22, 0.81%
UAE
22 publications, 0.81%
|
Portugal
|
Portugal, 21, 0.77%
Portugal
21 publications, 0.77%
|
Republic of Korea
|
Republic of Korea, 18, 0.66%
Republic of Korea
18 publications, 0.66%
|
France
|
France, 17, 0.62%
France
17 publications, 0.62%
|
Turkey
|
Turkey, 17, 0.62%
Turkey
17 publications, 0.62%
|
Mexico
|
Mexico, 16, 0.59%
Mexico
16 publications, 0.59%
|
Belgium
|
Belgium, 15, 0.55%
Belgium
15 publications, 0.55%
|
Greece
|
Greece, 15, 0.55%
Greece
15 publications, 0.55%
|
50
100
150
200
250
300
|
- We do not take into account publications without a DOI.
- Statistics recalculated daily.
- Publications published earlier than 1992 are ignored in the statistics.
- The horizontal charts show the 30 top positions.
- Journals quartiles values are relevant at the moment.