Accepted Manuscript Title: A 3D graphene-based biosensor as an early microcystin-LR screening tool in sources of drinking water supply Authors: Wei Zhang, Changseok Han, Baoping Jia, Christopher Saint, Mallikarjuna Nadagouda, Polycarpos Falaras, Labrini Sygellou, Vasileia Vogiazi, Dionysios D. Dionysiou PII: S0013-4686(17)30657-6 DOI: http://dx.doi.org/doi:10.1016/j.electacta.2017.03.161 Reference: EA 29195 To appear in: Electrochimica Acta Received date: 19-1-2017 Revised date: 18-3-2017 Accepted date: 21-3-2017 Please cite this article as: Wei Zhang, Changseok Han, Baoping Jia, Christopher Saint, Mallikarjuna Nadagouda, Polycarpos Falaras, Labrini Sygellou, Vasileia Vogiazi, Dionysios D.Dionysiou, A 3D graphene-based biosensor as an early microcystin-LR screening tool in sources of drinking water supply, Electrochimica Actahttp://dx.doi.org/10.1016/j.electacta.2017.03.161 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.