University, Subject, Country, Region, World

Africa University 48 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Feb 20, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (931.956) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H IndexRankings
Ranking Based On Selection: 1
Eno E. Ebenso
corrosion
corrosion inhibition
corrosion of metals
adsorption
quantum chemical calculations
Metrics
H-Index
i10 Index
Citation Counts
109
471
40,098
* Total H IndexRankings
Ranking Based On Selection: 2
Bhekie Mamba
Nanotechnology for Water Treatment
Membrane Technology
Water Treatment Technologies
Metrics
H-Index
i10 Index
Citation Counts
65
369
20,892
* Total H IndexRankings
Ranking Based On Selection: 3
Titus AM Msagati
Analytical Chemistry
Aquatic Toxicology
Chromatography
Mass spectrometry
Food Chemistry
Metrics
H-Index
i10 Index
Citation Counts
49
188
9,865
* Total H IndexRankings
Ranking Based On Selection: 4
Omar Dagdag
Polymers
Organic chemistry
Coating
Corrosion
Nanotechnology
Metrics
H-Index
i10 Index
Citation Counts
45
116
6,020
* Total H IndexRankings
Ranking Based On Selection: 5
Shivani Bhardwaj Mishra
Sol-Gel Technology
Nanomaterials
Ceramics and Water Treatment
Metrics
H-Index
i10 Index
Citation Counts
39
103
5,828
* Total H IndexRankings
Ranking Based On Selection: 6
Xinying Liu
Fischer Tropsch
catalysis
alternative energy
energy materials
CO2 utilization
Metrics
H-Index
i10 Index
Citation Counts
33
81
3,111
* Total H IndexRankings
Ranking Based On Selection: 7
Lawrence Madikizela
Analytical Chemistry
Environmental Monitoring
Chromatography
Metrics
H-Index
i10 Index
Citation Counts
32
51
3,629
* Total H IndexRankings
Ranking Based On Selection: 8
Azhari Hamid Nour
Natural Products Chemistry
bioactives
antioxidant
antiinflammatory
anticancer
Metrics
H-Index
i10 Index
Citation Counts
29
62
2,718
* Total H IndexRankings
Ranking Based On Selection: 9
Kebede Keterew Kefeni
Coordination chemistry
Magnetic nanoparticle
Photocatalyst
Acid mine drainage
Emerging organic pollutant
Metrics
H-Index
i10 Index
Citation Counts
28
37
4,594
* Total H IndexRankings
Ranking Based On Selection: 10
Mathew Nindi
Institute for Nanotechnology and Water Sustainability (iNanoWS)
Metrics
H-Index
i10 Index
Citation Counts
26
44
2,231

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* Total H IndexRankings
Ranking Based On Selection: 11
Godswill O. Tesi
Analytical/Environmental Chemistry
Metrics
H-Index
i10 Index
Citation Counts
23
52
1,551
* Total H IndexRankings
Ranking Based On Selection: 12
Somandla Ncube
Environmental Analytical Chemistry
Chromatography
Metrics
H-Index
i10 Index
Citation Counts
23
36
1,738
* Total H IndexRankings
Ranking Based On Selection: 13
Simiso Dube
analytical chemistry
nanomaterials
separation chromatography
food chemistry
environmental analysis
Metrics
H-Index
i10 Index
Citation Counts
22
37
1,667
* Total H IndexRankings
Ranking Based On Selection: 14
Hlengilizwe Nyoni
Environmental Analytical Chemistry
Passive sampling techniques
Environmental monitoring
Water science
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,188
* Total H IndexRankings
Ranking Based On Selection: 15
Touhami Mokrani
Catalysis
Fuel Cell and Nanotechnology
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,188
* Total H IndexRankings
Ranking Based On Selection: 17
Usisipho Feleni
Diagnostics sensors
electroanalytical chemistry
electrochemical sensors
and nanoelectrochemistry.
Metrics
H-Index
i10 Index
Citation Counts
17
29
1,252
* Total H IndexRankings
Ranking Based On Selection: 18
Bulelwa Ntsendwana
Biosensors
Hydrogen storage
Photoelectrochemistry
electrochemistry
water treatment
Metrics
H-Index
i10 Index
Citation Counts
17
22
1,162
* Total H IndexRankings
Ranking Based On Selection: 19
Mahluli Moyo
CO2 hydrogenation
Fischer Tropsch
Catalysis
XTL Process design
Polyolefins
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,235
* Total H IndexRankings
Ranking Based On Selection: 21
Sreedevi Vallabhapurapu
Organic based ReRAM memory devices towards green computing
Fourth industrial Revolution )
Metrics
H-Index
i10 Index
Citation Counts
9
6
238
* Total H IndexRankings
Ranking Based On Selection: 22
Ntuthuko Wonderboy Hlongwa
Electrochemistry
Energy Storage Devices
Nanotechnology
Thermochemical Heat Storage
Water Research
Metrics
H-Index
i10 Index
Citation Counts
8
8
278
* Total H IndexRankings
Ranking Based On Selection: 24
Omer Adam Omer Ishag
Green chemistry
Catalysis
Biomass
Biofuels
Natural products
Metrics
H-Index
i10 Index
Citation Counts
8
6
176
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Eno E. Ebenso
Metrics
H-Index
i10-Index
Citation Counts
109
471
40,098
corrosion
corrosion inhibition
corrosion of metals
adsorption
quantum chemical calculations
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Bhekie Mamba
Metrics
H-Index
i10-Index
Citation Counts
65
369
20,892
Nanotechnology for Water Treatment
Membrane Technology
Water Treatment Technologies
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Titus AM Msagati
Metrics
H-Index
i10-Index
Citation Counts
49
188
9,865
Analytical Chemistry
Aquatic Toxicology
Chromatography
Mass spectrometry
Food Chemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Omar Dagdag
Metrics
H-Index
i10-Index
Citation Counts
45
116
6,020
Polymers
Organic chemistry
Coating
Corrosion
Nanotechnology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Shivani Bhardwaj Mishra
Metrics
H-Index
i10-Index
Citation Counts
39
103
5,828
Sol-Gel Technology
Nanomaterials
Ceramics and Water Treatment
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Xinying Liu
Metrics
H-Index
i10-Index
Citation Counts
33
81
3,111
Fischer Tropsch
catalysis
alternative energy
energy materials
CO2 utilization
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Lawrence Madikizela
Metrics
H-Index
i10-Index
Citation Counts
32
51
3,629
Analytical Chemistry
Environmental Monitoring
Chromatography
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Azhari Hamid Nour
Metrics
H-Index
i10-Index
Citation Counts
29
62
2,718
Natural Products Chemistry
bioactives
antioxidant
antiinflammatory
anticancer
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Kebede Keterew Kefeni
Metrics
H-Index
i10-Index
Citation Counts
28
37
4,594
Coordination chemistry
Magnetic nanoparticle
Photocatalyst
Acid mine drainage
Emerging organic pollutant
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Mathew Nindi
Metrics
H-Index
i10-Index
Citation Counts
26
44
2,231
Institute for Nanotechnology and Water Sustainability (iNanoWS)

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* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Godswill O. Tesi
Metrics
H-Index
i10-Index
Citation Counts
23
52
1,551
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Somandla Ncube
Metrics
H-Index
i10-Index
Citation Counts
23
36
1,738
Environmental Analytical Chemistry
Chromatography
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Simiso Dube
Metrics
H-Index
i10-Index
Citation Counts
22
37
1,667
analytical chemistry
nanomaterials
separation chromatography
food chemistry
environmental analysis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Hlengilizwe Nyoni
Metrics
H-Index
i10-Index
Citation Counts
20
31
1,188
Environmental Analytical Chemistry
Passive sampling techniques
Environmental monitoring
Water science
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Touhami Mokrani
Metrics
H-Index
i10-Index
Citation Counts
19
27
1,188
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Malose Jack Mphahlele
Metrics
H-Index
i10-Index
Citation Counts
18
44
1,218
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Usisipho Feleni
Metrics
H-Index
i10-Index
Citation Counts
17
29
1,252
Diagnostics sensors
electroanalytical chemistry
electrochemical sensors
and nanoelectrochemistry.
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Bulelwa Ntsendwana
Metrics
H-Index
i10-Index
Citation Counts
17
22
1,162
Biosensors
Hydrogen storage
Photoelectrochemistry
electrochemistry
water treatment
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Mahluli Moyo
Metrics
H-Index
i10-Index
Citation Counts
15
17
1,235
CO2 hydrogenation
Fischer Tropsch
Catalysis
XTL Process design
Polyolefins
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Mahmoud Mohamed Ali
Metrics
H-Index
i10-Index
Citation Counts
9
9
284
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Sreedevi Vallabhapurapu
Metrics
H-Index
i10-Index
Citation Counts
9
6
238
Organic based ReRAM memory devices towards green computing
Fourth industrial Revolution )
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Ntuthuko Wonderboy Hlongwa
Metrics
H-Index
i10-Index
Citation Counts
8
8
278
Electrochemistry
Energy Storage Devices
Nanotechnology
Thermochemical Heat Storage
Water Research
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Ibrahim Yaagoub Erwa
Metrics
H-Index
i10-Index
Citation Counts
8
7
180
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Omer Adam Omer Ishag
Metrics
H-Index
i10-Index
Citation Counts
8
6
176
Green chemistry
Catalysis
Biomass
Biofuels
Natural products
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
N.Raphael Biata
Metrics
H-Index
i10-Index
Citation Counts
7
7
365
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