Nnamdi Azikiwe University

Short name

UNIZIK

Country, city

Nigeria, Awka

02r6pfc06

Organization website

Publications

2 731

Citations

33 482

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)

Publication title from chars

Publisher

Journal

Field of science

Countries

Open access

SCImago

WoS

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By citations

Publications found: 0

Since 1992

Total publications

2731

Total citations

33479

Citations per publication

12.26

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, 676, 24.75% Elsevier 676 publications, 24.75%
Springer Nature	Springer Nature, 587, 21.49% Springer Nature 587 publications, 21.49%
Taylor & Francis	Taylor & Francis, 296, 10.84% Taylor & Francis 296 publications, 10.84%
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, 119, 4.36% SAGE 119 publications, 4.36%
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, 33, 1.21% Oxford University Press 33 publications, 1.21%
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%
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%
AOSIS	AOSIS, 11, 0.4% AOSIS 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%
IOS Press	IOS Press, 8, 0.29% IOS Press 8 publications, 0.29%
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%
	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%
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%
Ekiti State University	Ekiti State University, 23, 0.84% Ekiti State 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%
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%
Stellenbosch University	Stellenbosch University, 9, 0.33% Stellenbosch University 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.