Preparation of Fe2O3-Clorprenaline/Tetraphenylborate Nanospheres and Their Application as Ion Selective Electrode for Determination of Clorprenaline in Pork

Abstract

A novel modified ion selective electrode based on Fe2O3-clorprenaline/tetraphenylborate nanospheres (Fe2O3-CLPT NSs) as electroactive materials for the determination of clorprenaline hydrochloride (CLP) is described. The α-Fe2O3 nanoparticles (NPs) were prepared by hydrothermal synthesis, then self-assembled on CLP/tetraphenylborate (TPB) to form Fe2O3-CLPT NSs, which were used as a potentiometric electrode for analyte determination innovatively. The Fe2O3-CLPT NSs modified electrode exhibited a wider concentration range from 1.0 × 10−7 to 1.0 × 10−1 mol/L and a lower detection limit of 3.7 × 10−8 mol/L compared with unmodified electrodes. The selectivity of the modified electrode was evaluated by fixed interference method. The good performance of the modified electrode such as wide pH range (2.4–6.7), fast response time (15 s), and adequate lifetime (14 weeks) indicate the utility of the modified electrode for evaluation of CLP content in various real samples. Finally, the modified electrode was successfully employed to detect CLP in pork samples with satisfactory results. These results demonstrated the Fe2O3-CLPT NSs modified electrode to be a functional and convenient method to the field of potentiometry determination of CLP in real samples.

A colorimetric assay for vanillin detection by determination of the luminescence of o-toluidine condensates

“…In the past ten years, LC-MS has been widely used for the determination of vanillin[ 12 , 19 , 20 ] but has suffered from a few disadvantages, such as its complicated and time-consuming nature and poor recovery. Common electrochemical methods include oscillographic polarography[ 21 , 22 ], the ion-selective electrode method[ 23 , 24 ], and the chemically modified electrode method[ 25 ]. Therefore, methods that provide useful information, high sensitivity, and good resolution and selectivity for vanillin determination are needed.…”

Development of an immunochromatographic assay for rapid detection of clorprenaline in pig urine

“…Its chemical name is 1-(2-chlorophenyl)-2-isopropylamino-ethanol and its molecular formula is C 11 H 16 ClNO. It has a molecular weight of 213.7, and its sulfate is white or almost white crystalline powder (Shao, Zhang, Li, Yue, & Chen, 2016). CLP can be used to treat symptoms such as animal cold.…”