Preparation and application of a novel vanillin sensor based on biosynthesis of Au–Ag alloy nanoparticles

Bimetallic Ag-Pd nanoparticles-decorated graphene oxide: a fascinating three-dimensional nanohybrid as an efficient electrochemical sensing platform for vanillin determination

“…Based on this result, n is calculated to be 1.8. In view of integer characteristic for the number of transferred electron, it can be deduced that two electrons are involved in the oxidation of vanillin, and this conclusion is well consistent with previous reports [13,17,23]. Fig.…”

“…With this in mind, several bimetallic nanoparticles-based electrochemical sensors for the determination of vanillin have been developed. For instance, Zheng et al [13] synthesized irregular polygonal Au-Ag alloy nanoparticles via an extracellular approach and demonstrated that the electrochemical response of vanillin at the Au-Ag nanocatalyst was enhanced at least five times in comparison with their monometallic counterparts. Shang et al [14] also reported that the peak current of vanillin at the electrode modified with the Au-Pd alloy nanoparticles-graphene composite was about twenty times as large as that at the bare GCE.…”

Electrochemical behavior and voltammetric determination of vanillin based on an acetylene black paste electrode modified with graphene–polyvinylpyrrolidone composite film

“…Some chemically modified electrodes have been reported (Yardım, Gülcan, & Sßentürk, 2013;Shang, Zhao, & Zeng, 2014;Zheng, Hu, Gan, Dang, & Hu, 2010;Bettazzi, Palchetti, Sisalli, & Mascini, 2006;Luque, Luque-Pérez, Ríos, & Valcárcel, 2000;Peng, Hou, & Hu, 2012;Kong, Shen, Yu, Wang, & Chen, 2010). However, the performance of some electrodes was still not enough good.…”

A novel and green biomaterial based silver nanocomposite hydrogel: Synthesis, characterization and antibacterial effect

“…It is due to different physical and mechanical properties of metal nano-sized particles from those of macroscopic materials. They are mainly utilized in solving the problems of water purification, catalysis, electronics, sensors, hydrogen storage [4][5][6][7][8][9], luminescence devices [10], photonics [11], pharmaceuticals [12], biotechnology, and medicine [13]. The silver nanoparticles (nano-Ag) have proved to be most effective as they exhibit potent antimicrobial efficacy against bacteria, viruses and eukaryotic micro-organisms [14,15].…”