Over the past 20 years, the field of biosensor research has had a significant impact in both laboratory research and the commercial sector. Over that period, biosensors have revolutionized the care and management of diabetes and have had important impacts in several other areas of clinical diagnostics. Europe, North America and Asia-Pacific have all seen the rise of small and medium sized companies seeking technical and application niches in the manufacture or use of biosensors. The current activity in both gene and protein 'biochips' can be seen as the latest set of tools that allow users...