Synthesis of a Ni(OH)2@Cu2Se hetero-nanocage by ion exchange for advanced glucose sensing in serum and beverages.
Food Chem
; 419: 136024, 2023 Sep 01.
Article
em En
| MEDLINE
| ID: mdl-37037132
ABSTRACT
Cu2Se nanosheets were coated on the surface of Ni(OH)2 nanocages (NCs) by ion exchange driven by selenium incorporation. The resulting Ni(OH)2@Cu2Se hollow heterostructures (Ni(OH)2@Cu2Se HHSs) showed high electrical conductivity and electrocatalytic activities derived from the synergistic effects of Ni/Cu phases. These structures enhanced glucose adsorption abilities, confirmed by density function theory (DFT) calculations, and the robustness of the integrated nano-electrocatalyst. Remarkably, Ni(OH)2@Cu2Se HHSs modified electrodes excited excellent glucose sensing behavior with a wide linear range (0.001-7.5 mM), a sensitivity up to 2420.4 Μa mM-1 cm2, a low limit of detection (LOD, 0.15 µM), and fast response (less 2 s). Furthermore, Ni(OH)2@Cu2Se HHSs competently analyzed glucose in serum and beverages with good recoveries ranging from 94.4 to 103.6%. Integrating copper selenide and Ni-based materials as 3D hollow heterostructures expands the selection of electrocatalysts for sensitive glucose detection in food and biological samples.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Glucose
/
Níquel
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article