A G-quadruplex-assisted target-responsive dual-mode aptasensor based on copper nanoclusters synthesized in situ in a DNA hydrogel for ultrasensitive detection of ochratoxin A
Pengfei Fan, Qianji Li, Zhengduo Zhang, Ping Jiang, Zhan Zhang, Qian Wu, Lei Li, Lei Li
Topics & Concepts
ChemistryHeminDeoxyribozymeFluorescenceOchratoxin AAptamerLinkerNanoclustersDetection limitQuenching (fluorescence)In situDNANucleic acidCombinatorial chemistryNanotechnologyChromatographyBiochemistryHemeMycotoxinOrganic chemistryQuantum mechanicsComputer sciencePhysicsEnzymeMaterials scienceFood scienceBiologyGeneticsOperating systemAdvanced biosensing and bioanalysis techniquesBiosensors and Analytical DetectionNanocluster Synthesis and Applications