Highly selective and sensitive detection of β-agonists using a surface plasmon resonance sensor based on an alkanethiol monolayer functionalized on a Au surface

Enhanced simultaneous detection of ractopamine and salbutamol – Via electrochemical-facial deposition of MnO 2 nanoflowers onto 3D RGO/Ni foam templates

“…14 In addtiion, better-resolved peaks were obtained by DPV, i.e., two peaks at 0.58 and From Fig SI 2a, it is observed that with the concentration of GO increasing, 3 the electrochemical signal to RAC and SAL increased at first, which may be attributed 4 to the fact that more graphene generated at the electrode with more effective catalytic 5 sites formed. But when the GO concentration was higher than 0.5 mg/mL, the 6 catalytic current began to fall.…”

“…In recent years, electrochemical 21 assay method has shown great promise in the detection of β-agonists, because most of 22 the β-agonists can be electrochemically oxidized at bare or modified electrodes 1 (Xiaoyun et al, 2013;Huan et al, 2013) with the advantages of low instrumental cost, 2 fast analysis and low sample consumption. 3 Nanostructure MnO 2 has drawn great attention as an active electrode material for 4 electrochemical biosensors due to its low cost, environmental benignity, and excellent 5 catalytic and selective ability. A cheap and simple nonenzymatic device for 6 xenoestrogens detection has been developed based on direct precipitation of nanocomposites were fabricated for rapid and selective sensing of glutathione 11 (Qiyong et al, 2015).…”

“…1 β-agonists are synthetic phenethanolamine compounds originally developed for 2 the treatment of pulmonary disease, and also well-known for their ability to improve 3 growth rate and reduce carcass fat when used to feed farm animals in high doses 4 (Suherman et al, 2015). However, the residues of these misused drugs accumulated in 5 animal tissues could cause acute poisoning when consumed by humans, with 6 symptoms of cardiac palpitation, muscle tremors, tachycardia, nervousness, and β-agonists remains attractive to swine or cattle producers, because it can improve feed 10 efficiency.…”

Stable and Sensitive Detection of Sulfonamide Residues in Animal-Derived Foods Using a Reproducible Surface Plasmon Resonance Immunosensor

“…SPR immunosensor (Onodera and Toko 2014;Abadian et al 2014) can accurately monitor the changes in the refractive index caused by the binding reaction of antigen-antibody on the surface of the chip in real time Luz et al 2015), which made it have a significant advantage in rapid, selective and accurate detection of harmful substances, especially the small molecules in complex sample system. In the field of food safety detection (Suherman et al 2015;Mine et al 2013), SPR immunosensor has also attracted much attention from the researchers and been developed for trace residue detection due to its many advantages of reusability, high sensitivity, short detection time, and simple sample preparation process (Agrawa et al 2016;Suherman et al 2016;Lu et al 2014;Jorn and Edward 2005).…”

A novel colorimetric immunosensor based on platinum colloid nanoparticles immobilized on PowerVision as signal probes and Fe3O4@β‐cyclodextrin as capture probes for ractopamine detection in pork

“…Methods such as gas chromatography‐mass spectrometry, high‐performance liquid chromatography, liquid chromatography‐mass spectrometry and capillary electrophoresis have been used to detect RAC accurately and reliably. Some of these methods have been successfully applied to real sample determination, although they are costly, require expensive equipment and specially trained personnel, and take a long time, which limits their use for the rapid on‐site screening of food samples . Therefore, there is an urgent need for the development of an on‐site quantitative method to detect RAC that is simple, reliable, specific and inexpensive.…”