- Engineering, general 219
- Microarrays 191
- Cell Cycle Analysis 163
- Apoptosis 117
- Developmental Biology 99
- Biological Microscopy 96
- Plant Sciences 96
- Materials Science, general 92
- Biomedicine, general 90
- Agriculture 83
- Cancer Research 83
- Computer Science, general 79
- Zoology 56
- Evolutionary Biology 51
- Mycology 51
- Cell Physiology 46
- Ecology 46
- Bioinformatics 44
- Biomedical Engineering/Biotechnology 44
- Genetics and Population Dynamics 41