Nnamdi Azikiwe University

Short name

UNIZIK

Country, city

Nigeria, Awka

02r6pfc06

Organization website

Publications

2 731

Citations

35 589

h-index

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)

Most cited in 5 years

Found

Publication title from chars

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Journal

Field of science

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Open access

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WOS

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Publications found: 0

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

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.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

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	SSRN Electronic Journal, 132, 4.83% SSRN Electronic Journal 132 publications, 4.83%
Heliyon	Heliyon, 43, 1.57% Heliyon 43 publications, 1.57%
Bioresource Technology	Bioresource Technology, 26, 0.95% Bioresource Technology 26 publications, 0.95%
Polymer-Plastics Technology and Materials	Polymer-Plastics Technology and Materials, 24, 0.88% Polymer-Plastics Technology and Materials 24 publications, 0.88%
Applied Water Science	Applied Water Science, 22, 0.81% Applied Water Science 22 publications, 0.81%
Journal of Environmental Chemical Engineering	Journal of Environmental Chemical Engineering, 19, 0.7% Journal of Environmental Chemical Engineering 19 publications, 0.7%
Scientific Reports	Scientific Reports, 18, 0.66% Scientific Reports 18 publications, 0.66%
Biomass Conversion and Biorefinery	Biomass Conversion and Biorefinery, 17, 0.62% Biomass Conversion and Biorefinery 17 publications, 0.62%
Value in Health	Value in Health, 17, 0.62% Value in Health 17 publications, 0.62%
PLoS ONE	PLoS ONE, 17, 0.62% PLoS ONE 17 publications, 0.62%
Environmental Science and Pollution Research	Environmental Science and Pollution Research, 17, 0.62% Environmental Science and Pollution Research 17 publications, 0.62%
Chemistry Africa	Chemistry Africa, 17, 0.62% Chemistry Africa 17 publications, 0.62%
Current Research in Green and Sustainable Chemistry	Current Research in Green and Sustainable Chemistry, 17, 0.62% Current Research in Green and Sustainable Chemistry 17 publications, 0.62%
International Journal of Environmental Analytical Chemistry	International Journal of Environmental Analytical Chemistry, 14, 0.51% International Journal of Environmental Analytical Chemistry 14 publications, 0.51%
Sugar Tech	Sugar Tech, 14, 0.51% Sugar Tech 14 publications, 0.51%
Scientific African	Scientific African, 14, 0.51% Scientific African 14 publications, 0.51%
Biofuels	Biofuels, 13, 0.48% Biofuels 13 publications, 0.48%
Cleaner Materials	Cleaner Materials, 13, 0.48% Cleaner Materials 13 publications, 0.48%
Cleaner Chemical Engineering	Cleaner Chemical Engineering, 13, 0.48% Cleaner Chemical Engineering 13 publications, 0.48%
Sustainability	Sustainability, 12, 0.44% Sustainability 12 publications, 0.44%
International Journal of Polymeric Materials and Polymeric Biomaterials	International Journal of Polymeric Materials and Polymeric Biomaterials, 12, 0.44% International Journal of Polymeric Materials and Polymeric Biomaterials 12 publications, 0.44%
International Journal of Infectious Diseases	International Journal of Infectious Diseases, 11, 0.4% International Journal of Infectious Diseases 11 publications, 0.4%
Cochrane Database of Systematic Reviews	Cochrane Database of Systematic Reviews, 11, 0.4% Cochrane Database of Systematic Reviews 11 publications, 0.4%
International Journal of Environmental Science and Technology	International Journal of Environmental Science and Technology, 11, 0.4% International Journal of Environmental Science and Technology 11 publications, 0.4%
South African Journal of Chemical Engineering	South African Journal of Chemical Engineering, 11, 0.4% South African Journal of Chemical Engineering 11 publications, 0.4%
European Journal of Theoretical and Applied Sciences	European Journal of Theoretical and Applied Sciences, 11, 0.4% European Journal of Theoretical and Applied Sciences 11 publications, 0.4%
Natural Product Research	Natural Product Research, 10, 0.37% Natural Product Research 10 publications, 0.37%
Journal of Molecular Liquids	Journal of Molecular Liquids, 10, 0.37% Journal of Molecular Liquids 10 publications, 0.37%
Journal of African Earth Sciences	Journal of African Earth Sciences, 10, 0.37% Journal of African Earth Sciences 10 publications, 0.37%
International Journal of Advanced Manufacturing Technology	International Journal of Advanced Manufacturing Technology, 10, 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	Elsevier, 689, 25.23% Elsevier 689 publications, 25.23%
Springer Nature	Springer Nature, 591, 21.64% Springer Nature 591 publications, 21.64%
Taylor & Francis	Taylor & Francis, 298, 10.91% Taylor & Francis 298 publications, 10.91%
Wiley	Wiley, 180, 6.59% Wiley 180 publications, 6.59%
Social Science Electronic Publishing	Social Science Electronic Publishing, 126, 4.61% Social Science Electronic Publishing 126 publications, 4.61%
SAGE	SAGE, 120, 4.39% SAGE 120 publications, 4.39%
MDPI	MDPI, 68, 2.49% MDPI 68 publications, 2.49%
Hindawi Limited	Hindawi Limited, 43, 1.57% Hindawi Limited 43 publications, 1.57%
Emerald	Emerald, 41, 1.5% Emerald 41 publications, 1.5%
Walter de Gruyter	Walter de Gruyter, 37, 1.35% Walter de Gruyter 37 publications, 1.35%
Oxford University Press	Oxford University Press, 34, 1.24% Oxford University Press 34 publications, 1.24%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 24, 0.88% Public Library of Science (PLoS) 24 publications, 0.88%
IOP Publishing	IOP Publishing, 24, 0.88% IOP Publishing 24 publications, 0.88%
Georg Thieme Verlag KG	Georg Thieme Verlag KG, 21, 0.77% Georg Thieme Verlag KG 21 publications, 0.77%
Ovid Technologies (Wolters Kluwer Health)	Ovid Technologies (Wolters Kluwer Health), 20, 0.73% Ovid Technologies (Wolters Kluwer Health) 20 publications, 0.73%
IGI Global	IGI Global, 18, 0.66% IGI Global 18 publications, 0.66%
Frontiers Media S.A.	Frontiers Media S.A., 17, 0.62% Frontiers Media S.A. 17 publications, 0.62%
BMJ	BMJ, 16, 0.59% BMJ 16 publications, 0.59%
Bentham Science Publishers Ltd.	Bentham Science Publishers Ltd., 15, 0.55% Bentham Science Publishers Ltd. 15 publications, 0.55%
King Saud University	King Saud University, 15, 0.55% King Saud University 15 publications, 0.55%
AOSIS	AOSIS, 12, 0.44% AOSIS 12 publications, 0.44%
AMO Publisher	AMO Publisher, 12, 0.44% AMO Publisher 12 publications, 0.44%
Cambridge University Press	Cambridge University Press, 11, 0.4% Cambridge University Press 11 publications, 0.4%
American Chemical Society (ACS)	American Chemical Society (ACS), 10, 0.37% American Chemical Society (ACS) 10 publications, 0.37%
Pharmaceutical Society of Japan	Pharmaceutical Society of Japan, 9, 0.33% Pharmaceutical Society of Japan 9 publications, 0.33%
Federation of American Societies for Experimental Biology (FASEB)	Federation of American Societies for Experimental Biology (FASEB), 9, 0.33% Federation of American Societies for Experimental Biology (FASEB) 9 publications, 0.33%
Mark Allen Group	Mark Allen Group, 8, 0.29% Mark Allen Group 8 publications, 0.29%
Inderscience Publishers	Inderscience Publishers, 8, 0.29% Inderscience Publishers 8 publications, 0.29%
International Journal for Research in Applied Science and Engineering Technology (IJRASET)	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	IOS Press, 7, 0.26% IOS Press 7 publications, 0.26%
	100 200 300 400 500 600 700

With other organizations

	50 100 150 200 250
University of Ilorin	University of Ilorin, 205, 7.51% University of Ilorin 205 publications, 7.51%
Nnamdi Azikiwe University Teaching Hospital	Nnamdi Azikiwe University Teaching Hospital, 147, 5.38% Nnamdi Azikiwe University Teaching Hospital 147 publications, 5.38%
University of Ibadan	University of Ibadan, 108, 3.95% University of Ibadan 108 publications, 3.95%
Enugu State University of Science and Technology	Enugu State University of Science and Technology, 95, 3.48% Enugu State University of Science and Technology 95 publications, 3.48%
Federal University of Technology Owerri	Federal University of Technology Owerri, 90, 3.3% Federal University of Technology Owerri 90 publications, 3.3%
Ebonyi State University	Ebonyi State University, 89, 3.26% Ebonyi State University 89 publications, 3.26%
Michael Okpara University of Agriculture	Michael Okpara University of Agriculture, 75, 2.75% Michael Okpara University of Agriculture 75 publications, 2.75%
University of Lagos	University of Lagos, 69, 2.53% University of Lagos 69 publications, 2.53%
Landmark University	Landmark University, 68, 2.49% Landmark University 68 publications, 2.49%
University of Calabar	University of Calabar, 59, 2.16% University of Calabar 59 publications, 2.16%
University of Nigeria Teaching Hospital	University of Nigeria Teaching Hospital, 59, 2.16% University of Nigeria Teaching Hospital 59 publications, 2.16%
University of Johannesburg	University of Johannesburg, 51, 1.87% University of Johannesburg 51 publications, 1.87%
University of the Free State	University of the Free State, 48, 1.76% University of the Free State 48 publications, 1.76%
University of Port Harcourt	University of Port Harcourt, 41, 1.5% University of Port Harcourt 41 publications, 1.5%
Heinrich Heine University Düsseldorf	Heinrich Heine University Düsseldorf, 41, 1.5% Heinrich Heine University Düsseldorf 41 publications, 1.5%
University of Benin	University of Benin, 39, 1.43% University of Benin 39 publications, 1.43%
Federal University of Petroleum Resource Effurun	Federal University of Petroleum Resource Effurun, 37, 1.35% Federal University of Petroleum Resource Effurun 37 publications, 1.35%
Obafemi Awolowo University	Obafemi Awolowo University, 37, 1.35% Obafemi Awolowo University 37 publications, 1.35%
Texas Tech University	Texas Tech University, 37, 1.35% Texas Tech University 37 publications, 1.35%
Kansas State University	Kansas State University, 36, 1.32% Kansas State University 36 publications, 1.32%
Delta State University	Delta State University, 33, 1.21% Delta State University 33 publications, 1.21%
Bayero University, Kano	Bayero University, Kano, 28, 1.03% Bayero University, Kano 28 publications, 1.03%
University of Jos	University of Jos, 28, 1.03% University of Jos 28 publications, 1.03%
Ladoke Akintola University of Technology	Ladoke Akintola University of Technology, 27, 0.99% Ladoke Akintola University of Technology 27 publications, 0.99%
University of Maiduguri	University of Maiduguri, 27, 0.99% University of Maiduguri 27 publications, 0.99%
Wrocław University of Environmental and Life Sciences	Wrocław University of Environmental and Life Sciences, 24, 0.88% Wrocław University of Environmental and Life Sciences 24 publications, 0.88%
University of Chinese Academy of Sciences	University of Chinese Academy of Sciences, 23, 0.84% University of Chinese Academy of Sciences 23 publications, 0.84%
University of Southampton	University of Southampton, 23, 0.84% University of Southampton 23 publications, 0.84%
University of South Africa	University of South Africa, 23, 0.84% University of South Africa 23 publications, 0.84%
Ahmadu Bello University	Ahmadu Bello University, 23, 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	University of Johannesburg, 51, 1.87% University of Johannesburg 51 publications, 1.87%
University of the Free State	University of the Free State, 48, 1.76% University of the Free State 48 publications, 1.76%
Heinrich Heine University Düsseldorf	Heinrich Heine University Düsseldorf, 41, 1.5% Heinrich Heine University Düsseldorf 41 publications, 1.5%
Texas Tech University	Texas Tech University, 37, 1.35% Texas Tech University 37 publications, 1.35%
Kansas State University	Kansas State University, 36, 1.32% Kansas State University 36 publications, 1.32%
Wrocław University of Environmental and Life Sciences	Wrocław University of Environmental and Life Sciences, 24, 0.88% Wrocław University of Environmental and Life Sciences 24 publications, 0.88%
University of Chinese Academy of Sciences	University of Chinese Academy of Sciences, 23, 0.84% University of Chinese Academy of Sciences 23 publications, 0.84%
University of Southampton	University of Southampton, 23, 0.84% University of Southampton 23 publications, 0.84%
University of South Africa	University of South Africa, 23, 0.84% University of South Africa 23 publications, 0.84%
University of Pretoria	University of Pretoria, 20, 0.73% University of Pretoria 20 publications, 0.73%
North-West University	North-West University, 20, 0.73% North-West University 20 publications, 0.73%
University of the Witwatersrand	University of the Witwatersrand, 19, 0.7% University of the Witwatersrand 19 publications, 0.7%
University of Sharjah	University of Sharjah, 17, 0.62% University of Sharjah 17 publications, 0.62%
Nelson Mandela University	Nelson Mandela University, 17, 0.62% Nelson Mandela University 17 publications, 0.62%
King Saud University	King Saud University, 16, 0.59% King Saud University 16 publications, 0.59%
University of Technology, Malaysia	University of Technology, Malaysia, 15, 0.55% University of Technology, Malaysia 15 publications, 0.55%
Johns Hopkins University	Johns Hopkins University, 15, 0.55% Johns Hopkins University 15 publications, 0.55%
Zabol University of Medical Sciences	Zabol University of Medical Sciences, 14, 0.51% Zabol University of Medical Sciences 14 publications, 0.51%
Leibniz Institute for Prevention Research and Epidemiology	Leibniz Institute for Prevention Research and Epidemiology, 14, 0.51% Leibniz Institute for Prevention Research and Epidemiology 14 publications, 0.51%
University of Bremen	University of Bremen, 14, 0.51% University of Bremen 14 publications, 0.51%
University of Sheffield	University of Sheffield, 13, 0.48% University of Sheffield 13 publications, 0.48%
Shoolini University	Shoolini University, 12, 0.44% Shoolini University 12 publications, 0.44%
Harvard University	Harvard University, 12, 0.44% Harvard University 12 publications, 0.44%
Tshwane University of Technology	Tshwane University of Technology, 11, 0.4% Tshwane University of Technology 11 publications, 0.4%
University of Ghana	University of Ghana, 11, 0.4% University of Ghana 11 publications, 0.4%
Peking University	Peking University, 10, 0.37% Peking University 10 publications, 0.37%
University of Cape Town	University of Cape Town, 10, 0.37% University of Cape Town 10 publications, 0.37%
Brunel University London	Brunel University London, 9, 0.33% Brunel University London 9 publications, 0.33%
Jiangsu University	Jiangsu University, 9, 0.33% Jiangsu University 9 publications, 0.33%
University of Manchester	University of Manchester, 9, 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.