An electrochemical sensor for the detection of pesticides based on the hybrid of MANGANESE PHTHALOCYANINE (cas 14325-24-7) and polyaniline
-
Add time:07/28/2019 Source:sciencedirect.com
A mimic enzymeless electrochemical sensor (M-Eless-ES) based on the terminal alkynyl substituted MANGANESE PHTHALOCYANINE (cas 14325-24-7) (MnPc-TA) and 4-azido polyaniline (N3-PANI) hybrid was constructed and tested as a selective and sensitive pesticide sensor. A new electrode modification technique, solid state electropolymerization of a film, was developed for the preparation of ITO/MnPc-TA/N3-PANI electrode as M-Eless-ES for the first time in this study. During construction of ITO/MnPc-TA/N3-PANI electrode, MnPc-TA was firstly deposited on indium tin oxide coated glass substrate (ITO) with Langmuir Blodgett (LB) technique. Then 4-azidoaniline (N3-ANI) was bonded to the terminal alkynyl substituents of MnPc-TA (ITO/MnPc-TA/N3-ANI) with click chemistry (CC) and finally ANI groups of the solid MnPc-TA/N3-ANI hybrid film was electropolymerized on ITO surface to form ITO/MnPc-TA/N3-PANI electrode. The modified electrode was characterized with square wave voltammetry (SWV), X-ray diffraction (XRD), scanning electron microscope (SEM), and fourier transform infrared (FT-IR). Finally, ITO/MnPc-TA/N3-PANI electrode was tested as potential M-Eless-ES for the fenitrothion, eserine, and diazinon via SWV technique. Different voltammetric responses were observed for each pesticide. Observation of a new redox peak due to the interaction of the electrode with the fenitrothion indicated its distinct selectivity for this pesticide. The limit of detection (LOD) (0.049 μmol dm−3 for fenitrothion, 0.088 μmol dm−3 for eserine and 0.062 μmol dm−3 for diazinon), wide linear ranges, and especially higher selectivity were observed with ITO/MnPc-TA/N3-PANI which are the basic requirements for the practical applications for the pesticide sensing. Reproducibility, easy of construction, and stability of the electrode are other superior advantages. As a real sample application, ITO/MnPc-TA/N3-PANI sensor was successfully employed for determining the fenitrothion residue in rosehip sample.
We also recommend Trading Suppliers and Manufacturers of MANGANESE PHTHALOCYANINE (cas 14325-24-7). Pls Click Website Link as below: cas 14325-24-7 suppliers
Prev:Multivariate optimization of solvent extraction with 1,1,1-trifluoroacetylacetonates for the determination of total and labile Cu and Fe in river surface water by flame atomic absorption spectrometry
Next:Endorsement of MANGANESE PHTHALOCYANINE (cas 14325-24-7) microstructures as electrocatalyst in ORR: Experimental and computational study) - 【Back】【Close 】【Print】【Add to favorite 】
- Related Information
- Cobalt tetracarboxyl phthalocyanine-manganese octahedral molecular sieve (OMS-2) as a heterogeneous catalyst of peroxymonosulfate for degradation of diclofenac08/02/2019
- Synthesis and electrochemical properties of peripheral, non-peripheral tetra [2-(3,5-diphenyl-1H-1,2,4-triazol-1-yl)ethoxy] substituted cobalt(II), manganese(III) phthalocyanines08/01/2019
- Comparison of spectroscopic, electronic, theoretical, optical and surface morphological properties of functional manganese(III) phthalocyanine compounds for various conditions07/31/2019
- Magnetic field-driven spintronic logic gates in one-dimensional MANGANESE PHTHALOCYANINE (cas 14325-24-7) nanoribbons based molecular spintronic devices07/30/2019
- Endorsement of MANGANESE PHTHALOCYANINE (cas 14325-24-7) microstructures as electrocatalyst in ORR: Experimental and computational study07/29/2019
-
Health and Chemical more >