ArticleMikrochimica acta2018
Aptamer based voltammetric patulin assay based on the use of ZnO nanorods.
Article in Mikrochimica acta, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 41 citations in OpenAlex.
- Emerging nano sensing technologies for the detection of biological and chemical food toxins.RSC advances · 2025Review
- Smartphone-Controlled Aptasensor for Voltammetric Detection of Patulin in Apple Juice.Sensors (Basel, Switzerland) · 2024Article
- Recent Progress in Electrochemical Nano-Biosensors for Detection of Pesticides and Mycotoxins in Foods.Biosensors · 2023Review
- Noble metal nanomaterial-based aptasensors for microbial toxin detection.Journal of food and drug analysis · 2020Review
- Advances in Analysis and Detection of Major Mycotoxins in Foods.Foods (Basel, Switzerland) · 2020Review
- A review on recent developments in optical and electrochemical aptamer-based assays for mycotoxins using advanced nanomaterials.Mikrochimica acta · 2019Review
- Immunoliposome-based fluorometric patulin assay by using immunomagnetic nanoparticles.Mikrochimica acta · 2019Article
- Colorimetric bio-barcode immunoassay for parathion based on amplification by using platinum nanoparticles acting as a nanozyme.Mikrochimica acta · 2019Article
- Development of an Impedimetric Aptasensor for Label Free Detection of Patulin in Apple Juice.Molecules (Basel, Switzerland) · 2019Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The authors describe an aptamer based assay for the mycotoxin patulin (PAT). A gold electrode was modified with a composite made from ZnO nanorods (ZnO-NRs) and chitosan. The ZnO-NRs was prepared by reaction with ammonia and subsequent hydrothermal growth. Its properties were characterized by X-ray diffraction, Raman spectroscopy and scanning electron microscopy. Subsequently, thiol-modified aptamers were self-assembled on AuNPs that had been electrodeposited on the surface of the modified electrode. The presence of ZnO-NRs on the electrode increases the loading with AuNPs and aptamers. It also warrants a relatively stable microenvironment for the aptamers. In the presence of PAT, it will form a complex with the aptamer on the electrode surface. This hinders electron transfer from the electrode to the redox probe hexacyanoferrate and results in reduced current, which is typically measured at 0.176 V (vs. Ag/AgCl). The concentration of PAT can be calculated from the differences in the peak current before and after incubation with PAT. The assay has a linear response in the 50 ng·mL
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Registered trials
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