Please cite the Published Version Gogola, Jeferson L, Martins, Gustavo, Gevaerd, Ava, Blanes, Lucas, Cardoso, Josiane, Marchini, Fabricio Klerynton, Banks, Craig E , Bergamini, Márcio F and Marcolino-Junior, Luiz H (2021) Label-free aptasensor for p24-HIV protein detection based on graphene quantum dots as an elec- trochemical signal amplifier. Analytica Chimica Acta, 1166. p. 338548. ISSN 0003-2670 DOI: https://doi.org/10.1016/j.aca.2021.338548 Publisher: Elsevier Version: Accepted Version Downloaded from: https://e-space.mmu.ac.uk/631372/ Usage rights: Creative Commons: Attribution-Noncommercial-No Deriva- tive Works 4.0 Additional Information: This is an Accepted Manuscript of an article which appeared in Analytica Chimica Acta, published by Elsevier Enquiries: If you have questions about this document, contact rsl@mmu.ac.uk. Please include the URL of the record in e-space. If you believe that your, or a third party’s rights have been compromised through this document please see our Take Down policy (available from https://www.mmu.ac.uk/library/using-the-library/policies-and-guidelines)