Institution: | 1. Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, Bellaterra, Spain;2. Bioelectronics Section, Department of Electrical Engineering, CINVESTAV, Mexico, Mexico;3. CREAF (Centre for Ecological Research and Forestry Applications), Department of Animal and Plant Biology and Ecology, Universitat Autònoma de Barcelona, Bellaterra, Spain |