Fabrication of a sensitive colorimetric nanosensor for determination of cysteine in human serum and urine samples based on magnetic-sulfur, nitrogen graphene quantum dots as a selective platform and Au nanoparticles

Autor: Alessandro Pedrini, Ali Mohammad Haji Shabani, Elahe Kazemi, Roya Afsharipour, Roberto Verucchi, Shayessteh Dadfarnia

Publikováno v: Talanta (Oxf.) 226 (2021): 122055-1. doi:10.1016/j.talanta.2020.122055
info:cnr-pdr/source/autori:Roya Afsharipour, Shayessteh Dadfarnia, Ali Mohammad Haji Shabani, Elahe Kazemi, Alessandro Pedrini, Roberto Verucchi/titolo:Fabrication of a sensitive colorimetric nanosensor for determination of cysteine in human serum and urine samples based on magnetic-sulfur, nitrogen graphene quantum dots as a selective platform and Au nanoparticles/doi:10.1016%2Fj.talanta.2020.122055/rivista:Talanta (Oxf.)/anno:2021/pagina_da:122055-1/pagina_a:/intervallo_pagine:122055-1/volume:226

A novel colorimetric nanosensor is reported for the selective and sensitive determination of cysteine using magnetic-sulfur, nitrogen graphene quantum dots (Fe3O4/S, N-GQDs), and gold nanoparticles (Au NPs). Thus, S, N-GQDs was firstly immobilized on

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