- Science, Humanities and Social Sciences, multidisciplinary 15
- Science, multidisciplinary 10
- Analytical Chemistry 5
- Engineering, general 5
- Life Sciences, general 5
- Materials Science, general 4
- Biomaterials 3
- Chemistry/Food Science, general 3
- Inorganic Chemistry 3
- Nanotechnology 3
- Optical and Electronic Materials 3
- Physical Chemistry 3
- Biochemistry, general 2
- Biomedicine, general 2
- Biotechnology 2
- Catalysis 2
- Cell Biology 2
- Energy Systems 2
- Nanoscale Science and Technology 2
- Nucleic Acid Chemistry 2