An Electrochemical Approach for the Cucurbit[7]uril/Carbendazim Supramolecular Inclusion Complex. Application to Carbendazim Determination in Apples | Zendy

del Pozo María | Zendy; Alonso Marina | Zendy; Hernández Lucas | Zendy; Quintana Carmen | Zendy

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An Electrochemical Approach for the Cucurbit[7]uril/Carbendazim Supramolecular Inclusion Complex. Application to Carbendazim Determination in Apples

Author(s) -

del Pozo María,

Alonso Marina,

Hernández Lucas,

Quintana Carmen

Publication year - 2011

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.201000442

Subject(s) - carbendazim , supramolecular chemistry , detection limit , fungicide , analyte , chemistry , differential pulse voltammetry , complex matrix , matrix (chemical analysis) , electrochemistry , molecule , chromatography , organic chemistry , electrode , horticulture , biology , cyclic voltammetry

This work presents the electrochemical behaviour of the supramolecular complex formed between the macrocyclic receptor cucurbit[7]uril and the fungicide carbendazim. Moreover, this host molecule is used to develop a selective and sensitive differential pulse voltammetric method for the determination of carbendazim through its cucurbit[7]uril inclusion complex, allowing the detection of the analyte at 4.25×10 −9 M. The method was applied to the determination of the fungicide in untreated apple peel samples after a matrix solid‐phase dispersion sample preparation procedure. The detection limit calculated for this real sample was 0.17 mg kg −1 , which is below the legally allowed limit of 0.20 mg kg −1 .

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