Abstract：
:A novel nonenzymatic sensor based on cobalt (II) oxide (CoO)-decorated reduced graphene oxide (rGO) was developed for the detection of carbofuran (CBF) and carbaryl (CBR). Two well-defined and separate differential pulse voltammetric peaks for CBF and CBR were obtained with the CoO/rGO sensor in a mixed solution, making the simultaneous detection of both carbamate pesticides possible. The nonenzymatic sensor demonstrated a linear relationship over a wide concentration range of 0.2-70 μM (R=0.9996) for CBF and 0.5-200 μM (R=0.9995) for CBR. The lower detection limit of the sensor was 4.2 μg/L for CBF and 7.5 μg/L for CBR (S/N=3). The developed sensor was used to detect CBF and CBR in fruit and vegetable samples and yielded satisfactory results.
journal_name
Food Chemjournal_title
Food chemistryauthors
Wang M,Huang J,Wang M,Zhang D,Chen Jdoi
10.1016/j.foodchem.2013.11.046subject
Has Abstractpub_date
2014-05-15 00:00:00pages
191-7eissn
0308-8146issn
1873-7072pii
S0308-8146(13)01670-1journal_volume
151pub_type
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