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In this work, the electrodeposition of pyrocatechol violet (PCV) was initially investigated by the electrochemical surface plasmon resonance (ESPR) technique. Subsequently, PCV was used as redox-mediator and was electrodeposited on the surface of pencil graphite electrode (PGE) modified with single-wall carbon nanotubes (SWCNTs). Owing to the remarkable synergistic effect of SWCNTs and PCV, PGE/SWCNTs/PCV...
Although Zn 2+ ions are involved in large numbers of physiopathological processes, non-invasive detection of Zn 2+ ions in opaque biological samples remains a huge challenge. Here, we developed a novel zinc-responsive hyperpolarized (HP) 129 Xe-based NMR molecular sensor. This HP 129 Xe-based NMR molecular sensor was synthesized by attaching 2-(diphenylphosphino) benzenamine...
A novel matrix, gold nanoparticles–bacterial cellulose nanofibers (Au–BC) nanocomposite was developed for enzyme immobilization and biosensor fabrication due to its unique properties such as satisfying biocompatibility, good conductivity and extensive surface area, which were inherited from both gold nanoparticles (AuNPs) and bacterial cellulose nanofibers (BC). Heme proteins such as horseradish peroxidase...
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