Rapid Determination of Ochratoxin A in Grape and Its Commodities Based on a Label-Free Impedimetric Aptasensor Constructed by Layer-by-Layer Self-Assembly - Nan, Mina; Bi, Yang; Xue, Huali; Xue, Sulin; Long, Haitao; Pu, Lumei; Fu, Guorui (Toxins, 2019)
Keywords: Aptamers; Aptamers, Nucleotide - chemistry; Aspergillus; Biosensing Techniques; Chemical reactions; Chromatography; Commodities; Dielectric Spectroscopy; Electrochemical impedance spectroscopy; Electrochemistry; Electrodes; Food Contamination - analysis; Fruit and Vegetable Juices - analysis; Fruit juices; Fruits; Gold; Gold - chemistry; grape; Grapes; Inoculation; label-free; layer-by-layer self-assembly; Metal Nanoparticles - chemistry; Methods; Nanoparticles; Ochratoxin A; Ochratoxins - analysis; Ochratoxins - chemistry; Phenolic compounds; Phenols; Quantitation; Self-assembly; Sensors; Spectroscopy; thiolated aptamer; Vitis - chemistry; Vitis - microbiology; Wine - analysis; Wines; label-free; ochratoxin A; thiolated aptamer; grape; layer-by-layer self-assembly