Influence of Graphene Oxide Concentration and Fluorophore Charge on the Formation of Non-Fluorescent GO-Fluorophore Complexes
Danilo R. C. Ferreira,
Tiago Serodre,
Pedro L. Gastelois
et al.
Abstract:The Stern-Volmer equation is commonly used to describe the fluorescence quenching process, but its application faces challenges for quenchers with heterogeneous physicochemical characteristics (size and surface composition), such as graphene oxide. This study proposes a mathematical approach to calculate the association constant and the change in the Gibbs free energy in graphene oxide-fluorophore systems, considering the influence of quencher concentration (0.12 to 250 µg mL-1) and the net charge of the fluor… Show more
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