University, Subject, Country, Region, World
Universiti Sains Malaysia 29 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 years. As of Feb 03, 2025, the rankings are determined according to the Total H Index. BETA 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 (870.053) 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
Reaction Engineering & Catalysis
Air Pollution and Waste Water Control Engineering
Fuel Technology
Nanoscience & Nanotechnol
Metrics
H-Index
i10 Index
Citation Counts
112
525
48,334
* Total H IndexRankings
Ranking Based On Selection: 2
Chemical reaction
renewable energy
environmental engineering
oleochemical engineering
Metrics
H-Index
i10 Index
Citation Counts
71
205
18,654
* Total H IndexRankings
Ranking Based On Selection: 3
Activated carbon
Adsorption
Pyrolysis
Metrics
H-Index
i10 Index
Citation Counts
54
134
8,919
* Total H IndexRankings
Ranking Based On Selection: 4
Magnetic Nanoparticles
Magnetic Separation
Magnetophoresis
Colloid and Interface Science
Metrics
H-Index
i10 Index
Citation Counts
46
84
7,764
* Total H IndexRankings
Ranking Based On Selection: 5
Materials Chemistry
Environmental Chemistry
Waste to Resources
Metrics
H-Index
i10 Index
Citation Counts
45
108
9,995
* Total H IndexRankings
Ranking Based On Selection: 6
Microbial Fuel Cells technology
biomass to resources
biomediated nanomaterials for Water and Wastewater Treatment
Advanced Ox
Metrics
H-Index
i10 Index
Citation Counts
43
72
6,988
* Total H IndexRankings
Ranking Based On Selection: 7
Water and resource recovery
Metrics
H-Index
i10 Index
Citation Counts
41
109
6,461
* Total H IndexRankings
Ranking Based On Selection: 8
Environmental Science
Metrics
H-Index
i10 Index
Citation Counts
41
59
14,286
* Total H IndexRankings
Ranking Based On Selection: 9
organometallic
nanomaterials
Metrics
H-Index
i10 Index
Citation Counts
37
94
5,011
* Total H IndexRankings
Ranking Based On Selection: 10
Membrane Separation
Aquaculture Wastewater
Electrochemical Sensors
Modified Electrode
Metrics
H-Index
i10 Index
Citation Counts
32
90
3,957
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* Total H IndexRankings
Ranking Based On Selection: 11
Microalgae
Plant tissue and cell culture
Phytoremediation Technologies
Metrics
H-Index
i10 Index
Citation Counts
31
66
4,775
* Total H IndexRankings
Ranking Based On Selection: 12
Chemical Engineering
Separation Process
Mechanochemistry
Food Chemistry and Proces
Metrics
H-Index
i10 Index
Citation Counts
25
52
2,325
* Total H IndexRankings
Ranking Based On Selection: 13
catalysis
halloysite nanotubes
natural polymers
natural rubber
zinc oxide
Metrics
H-Index
i10 Index
Citation Counts
25
50
2,276
* Total H IndexRankings
Ranking Based On Selection: 14
Adsorption
Wastewater treatment
Air pollution
Metrics
H-Index
i10 Index
Citation Counts
23
40
1,748
* Total H IndexRankings
Ranking Based On Selection: 15
Polymer Synthesis
Polymer Characterization
Polymer Composite
Polymer Hydrogel
Thermal Analysis
Metrics
H-Index
i10 Index
Citation Counts
21
30
2,772
* Total H IndexRankings
Ranking Based On Selection: 16
Adsorption
Emerging Contaminants
Nanomaterials
Pyrolysis
Chemical Engineering
Metrics
H-Index
i10 Index
Citation Counts
20
28
4,162
* Total H IndexRankings
Ranking Based On Selection: 17
Membrane Technology
Pollution Control
Heterogeneous Catalysis
Process Control
Energy storage
Metrics
H-Index
i10 Index
Citation Counts
20
28
1,775
* Total H IndexRankings
Ranking Based On Selection: 18
Catalytic cracking
hydrocracking
heavy oil
renewable energy
Metrics
H-Index
i10 Index
Citation Counts
19
24
1,778
* Total H IndexRankings
Ranking Based On Selection: 19
Heterogeneous Catalysis
Material Science
Quantum Dots
Environmental Remediation
Metrics
H-Index
i10 Index
Citation Counts
17
26
1,229
* Total H IndexRankings
Ranking Based On Selection: 20
1. Powder X-Ray Diffraction 2. Mechanochemical Synthesis 3. Natural Products 4. Food Analisis
Metrics
H-Index
i10 Index
Citation Counts
16
21
866
* Total H IndexRankings
Ranking Based On Selection: 21
composites
polymer electrolyte
catalysis
natural polymer
water treatment
Metrics
H-Index
i10 Index
Citation Counts
16
21
726
* Total H IndexRankings
Ranking Based On Selection: 22
Chemical Process Control
Engineering Education
Metrics
H-Index
i10 Index
Citation Counts
11
12
1,100
* Total H IndexRankings
Ranking Based On Selection: 23
Membrane technology
water and wastewater treatment
edible film
waste treatment
Metrics
H-Index
i10 Index
Citation Counts
6
6
622
* Total H IndexRankings
Ranking Based On Selection: 24
Enzymatic Reaction
Biocatalysis
Bioprocess Engineering
Chemical Engineering
Bioseparation
Metrics
H-Index
i10 Index
Citation Counts
6
5
164
* Total H IndexRankings
Ranking Based On Selection: 25
Biomass
Photocatalyst
Nanotechnology
Chemical Engineering
Kinetic Reactions
Metrics
H-Index
i10 Index
Citation Counts
4
3
82
Abdul Rahman Mohamed
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
112
525
48,334
Reaction Engineering & Catalysis
Air Pollution and Waste Water Control Engineering
Fuel Technology
Nanoscience & Nanotechnol
Ahmad Zuhairi Abdullah
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
71
205
18,654
Chemical reaction
renewable energy
environmental engineering
oleochemical engineering
Mohd Azmier Ahmad
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
54
134
8,919
Activated carbon
Adsorption
Pyrolysis
Jitkang Lim
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
46
84
7,764
Magnetic Nanoparticles
Magnetic Separation
Magnetophoresis
Colloid and Interface Science
Oh Wen Da
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
45
108
9,995
Materials Chemistry
Environmental Chemistry
Waste to Resources
Khalid Umar
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
43
72
6,988
Microbial Fuel Cells technology
biomass to resources
biomediated nanomaterials for Water and Wastewater Treatment
Advanced Ox
Boon Seng Ooi
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
41
109
6,461
Water and resource recovery
Wan Saime Wan Ngah
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
41
59
14,286
Mohamad Abu Bakar
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
37
94
5,011
organometallic
nanomaterials
Low Siew Chun
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
32
90
3,957
Membrane Separation
Aquaculture Wastewater
Electrochemical Sensors
Modified Electrode
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Derek Cjc
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
31
66
4,775
Microalgae
Plant tissue and cell culture
Phytoremediation Technologies
Olusegun Abayomi Olalere|Olalere Olusegun Abayomi, Olusegun Abayomi
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
25
52
2,325
Chemical Engineering
Separation Process
Mechanochemistry
Food Chemistry and Proces
Noor Hana Hanif Abu Bakar
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
25
50
2,276
catalysis
halloysite nanotubes
natural polymers
natural rubber
zinc oxide
Irvan Dahlan
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
23
40
1,748
Adsorption
Wastewater treatment
Air pollution
Muhammad Bisyrul Hafi Othman
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
21
30
2,772
Polymer Synthesis
Polymer Characterization
Polymer Composite
Polymer Hydrogel
Thermal Analysis
Azam Taufik Mohd Din
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
20
28
4,162
Adsorption
Emerging Contaminants
Nanomaterials
Pyrolysis
Chemical Engineering
Tunmise Ayode Otitoju
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
20
28
1,775
Membrane Technology
Pollution Control
Heterogeneous Catalysis
Process Control
Energy storage
CT Tye
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
19
24
1,778
Catalytic cracking
hydrocracking
heavy oil
renewable energy
Anwar Iqbal|Mohammad Anwar Mohamed Iqbal
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
17
26
1,229
Heterogeneous Catalysis
Material Science
Quantum Dots
Environmental Remediation
Lim Gin Keat
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
16
21
866
1. Powder X-Ray Diffraction 2. Mechanochemical Synthesis 3. Natural Products 4. Food Analisis
Wei Leng Tan
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
16
21
726
composites
polymer electrolyte
catalysis
natural polymer
water treatment
Suhairi A Sata
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
11
12
1,100
Chemical Process Control
Engineering Education
Abdullah Adnan Abdulkarim
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
6
6
622
Membrane technology
water and wastewater treatment
edible film
waste treatment
Fadzil Noor Gonawan
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
6
5
164
Enzymatic Reaction
Biocatalysis
Bioprocess Engineering
Chemical Engineering
Bioseparation
Nurabiyiah Mohamad|Mohamad. N
Universiti Sains Malaysia
Penang, Malaysia
Metrics
H-Index
i10-Index
Citation Counts
4
3
82
Biomass
Photocatalyst
Nanotechnology
Chemical Engineering
Kinetic Reactions