Can I read Three-dimensional Graphene Foams with Two Hierarchical Pore Structures for Metal-free Electrochemical Assays of Dopamine and Uric Acid from High Concentration of Ascorbic Acid on EtoBox?

Three-dimensional Graphene Foams with Two Hierarchical Pore Structures for Metal-free Electrochemical Assays of Dopamine and Uric Acid from High Concentration of Ascorbic Acid by Jingjing Jiang; Jing Wang; Peng Wang; Xinyi Lin; Guowang Diao is a Engineering article available to read on EtoBox.

What is Three-dimensional Graphene Foams with Two Hierarchical Pore Structures for Metal-free Electrochemical Assays of Dopamine and Uric Acid from High Concentration of Ascorbic Acid about?

Three-dimensional graphene foams (3D-GFs), composed of two hierarchical pore morphologies, were prepared by a facile soft foam templating strategy, and served as building blocks to construct a metal-free multi-component electrochemical sensing platform for sensitive discrimination of dopamine (DA) and uric acid (UA) in the coexistence of high concentration of ascorbic acid (AA). In virtue of the effective foam template and directional freezing, the formed quasi-spherical macropores and irregular minor pores between adjacent macropores in 3D-GFs could provide multiple electron transfer pathways and more exposed electroactive sites for the evident distinction of three analytes. When 500 μM AA coexisted in the ternary mixture, well-resolved current responses and desirable linear relationships of DA and UA were obtained after the synchronous change of their levels, and the corresponding concentration ranges and detection limits were determined to be 1–80 μM and 0.21 μM for DA and 5–500 μM and 1.27 μM for UA, respectively. The 3D-GFs-based metal-free electrochemical sensor was further applied to monitor DA and UA in medical dopamine injections and human urine specimens with satisfactory

Who reads Three-dimensional Graphene Foams with Two Hierarchical Pore Structures for Metal-free Electrochemical Assays of Dopamine and Uric Acid from High Concentration of Ascorbic Acid?

Author

Jingjing Jiang; Jing Wang; Peng Wang; Xinyi Lin; Guowang Diao

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)