ArticleMikrochimica acta2019
An aptamer based aggregation assay for the neonicotinoid insecticide acetamiprid using fluorescent upconversion nanoparticles and DNA functionalized gold nanoparticles.
Article in Mikrochimica acta, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.
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Who cites it
14 citing papers in PubMed, 1 synthesis or guideline pooled it, 69 citations in OpenAlex.
- Pooled it
- Review
- Neonicotinoid Microsphere Immunosensing for Profiling Applications in Honeybees and Bee-Related Matrices.Biosensors · 2022Article
- Determination of Acetamiprid Residues in Vegetables by Indirect Competitive Chemiluminescence Enzyme Immunoassay.Foods (Basel, Switzerland) · 2022Article
- Metal Nanostructures for Environmental Pollutant Detection Based on Fluorescence.Nanomaterials (Basel, Switzerland) · 2021Review
- Determination of acetamiprid using electrochemiluminescent aptasensor modified by MoSMikrochimica acta · 2021Article
- Fluorescence-Based Sensing of Pesticides Using Supramolecular Chemistry.Frontiers in chemistry · 2021Review
- Functionalized gold nanoparticles for sensing of pesticides: A review.Journal of food and drug analysis · 2020Review
- Application of DNA-Nanosensor for Environmental Monitoring: Recent Advances and Perspectives.Current pollution reports · 2020Review
- A molecularly imprinted fluorescence nanosensor based on upconversion metal-organic frameworks for alpha-cypermethrin specific recognition.Mikrochimica acta · 2020Article
- Photocatalytically renewable peptide-based electrochemical impedance method for sensing lipopolysaccharide.Mikrochimica acta · 2020Article
- Preparation and comparison of molecularly imprinted polymer fluorimetric nanoprobe based on polymer dots and carbon quantum dots for determination of acetamiprid using response surface method.Mikrochimica acta · 2020Article
- Fluorometric determination of acetamiprid using molecularly imprinted upconversion nanoparticles.Mikrochimica acta · 2020Article
- Dual amplification in a fluorometric acetamiprid assay by using an aptamer, G-quadruplex/hemin DNAzyme, and graphene quantum dots functionalized with D-penicillamine and histidine.Mikrochimica acta · 2020Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An acetamiprid-binding aptamer (ABA), gold nanoparticles (AuNPs) and upconversion nanoparticles (UCNPs) are used in a colorimetric and fluorometric method for the ultrasensitive and selective detection of the pesticide acetamiprid. The ABA is first configured into a duplex with a complementary DNA covalently attached to AuNPs. The resulting dsDNA-functionalized AuNP probe is not stable in 0.15 M NaCl solution and aggregates. This causing the color to change from red to purple. In the presence of acetamiprid, the ABA undergoes a structural switch from a DNA duplex to an aptamer-acetamiprid complex and consequently dissociates from the AuNPs. The partially unhybridized AuNPs are stable against salt-induced aggregation and show red color. The ratio of absorbances at 524 nm (red) and 650 nm (purple blue) varies with the concentration of acetamiprid in the 0.025-10 μM concentration range. The colorimetric signal can be further amplified by introducing DNA-modified carboxylated UCNPs (silica-coated NaYF
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