| The electronic properties of graphene | Reviews of Modern Physics | 2009 | 17.6K |
| Graphene: status and prospects | Science | 2009 | 10.4K |
| Control of graphene's properties by reversible hydrogenation: evidence for graphane | Science | 2009 | 3.3K |
| The formation, properties and impact of secondary organic aerosol: current and emerging issues | Atmospheric Chemistry and Physics | 2009 | 2.9K |
| Evolution of organic aerosols in the atmosphere | Science | 2009 | 2.8K |
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| Uniaxial strain in graphene by Raman spectroscopy: G peak splitting, Grüneisen parameters, and sample orientation | Physical Review B | 2009 | 1.4K |
| InterPro: the integrative protein signature database | Nucleic Acids Research | 2009 | 1.4K |
| Population genomics of domestic and wild yeasts | Nature | 2009 | 1.1K |
| Reappraisal of European guidelines on hypertension management: a European Society of Hypertension Task Force document | Journal of Hypertension | 2009 | 1K |
| Standardizing ADOS scores for a measure of severity in autism spectrum disorders | Journal of Autism and Developmental Disorders | 2009 | 1K |
| Defining comorbidity: implications for understanding health and health services | Annals of Family Medicine | 2009 | 854 |
| Synthesis of activated pyrimidine ribonucleotides in prebiotically plausible conditions | Nature | 2009 | 849 |
| Friction stir welding of aluminium alloys | International Materials Reviews | 2009 | 782 |
| Rethinking NIMBYism: The role of place attachment and place identity in explaining place-protective action | Journal of Community and Applied Social Psychology | 2009 | 781 |
| Measuring exposure to bullying and harassment at work: Validity, factor structure and psychometric properties of the Negative Acts Questionnaire-Revised | Work and Stress | 2009 | 753 |
| Long-term results of a randomized trial of surgery with or without preoperative chemotherapy in esophageal cancer | Journal of Clinical Oncology | 2009 | 686 |
| Rfam: updates to the RNA families database | Nucleic Acids Research | 2009 | 652 |
| The Systems Biology Graphical Notation | Nature Biotechnology | 2009 | 651 |
| Purinergic signalling in the nervous system: an overview | Trends in Neurosciences | 2009 | 630 |
| Development of a theory of implementation and integration: Normalization Process Theory | Implementation Science | 2009 | 618 |
| Directed evolution drives the next generation of biocatalysts | Nature Chemical Biology | 2009 | 614 |
| The hair follicle as a dynamic miniorgan | Current Biology | 2009 | 593 |
| Atmospheric composition change – global and regional air quality | Atmospheric Environment | 2009 | 592 |
| Graphene oxide: structural analysis and application as a highly transparent support for electron microscopy | ACS Nano | 2009 | 559 |
