Optical sensor systems for bioprocess monitoring

Optical sensor systems are of increasing interest in bioprocess monitoring, because they are very Sensitive, specific and non-invasive. Recent develop ments in optical-density probes, in situ microscopy, optical biosensors, op tical-fiber sensors and infrared and fluorescence sensors demonstrate the g rowing importance of optical sensor systems. The possibility of continuous optical bioprocess monitoring in situ, which offers an insight into a biopr ocess without disturbing it, is coming closer to reality.