Abstract: Biosensors 2012 is a three-day event, organized by Elsevier in association with Biosensors and Bioelectronics, consisting of daily plenary presentations followed by parallel sessions comprising a rigorously refereed selection of submitted papers. In addition to invited lectures, selected oral contributions will be included as extended plenary presentations. The 22nd Anniversary World Congress on Biosensors organised by Elsevier in association with Biosensors & Bioelectronics. Chaired by Prof Anthony P F Turner of Linköping University, Sweden, Biosensors 2012 will take place at the Convention Centre at the IBEROSTAR Cancun, Mexico, 15-18 May 2012. Topics include: • Bioelectronics • Commercial biosensors, manufacturing and markets • DNA chips & nucleic acid sensors • Enzyme-based biosensors • Immunosensors • Lab-on-a-chip • Microfluidics • Nanobiosensors, nanomaterials & nanoanalytical systems • Natural & synthetic receptors • Organism- and whole cell-based biosensors • Printed biosensors and printed electronics • Proteomics, single-cell analysis and electronic noses • Signal transduction technology and biological fuel cells • Theranostics & nanotheranostics