This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License Newcastle University ePrints - eprint.ncl.ac.uk Sanchez JLA, Fragoso A, Joda H, Suarez G, McNeil CJ, O'Sullivan C. Site- directed introduction of disulfide groups on antibodies for highly sensitive immunosensors. Analytical and Bioanalytical Chemistry 2016, 408(19), 5337- 5346. Copyright: The final publication is available at Springer via http://dx.doi.org/10.1007/s00216-016-9630-9 Date deposited: 24/08/2016 Embargo release date: 24 May 2017