Polyethyleneimine-interlayered silica-core quantum dot-shell nanocomposites for sensitive detection of <i>Salmonella typhimurium via</i> a lateral flow immunoassay
Bo Zhang, Xingsheng Yang, Xiaoxian Liu, Juan Li, Chongwen Wang, Shengqi Wang
Abstract
A novel type of SiO<sub>2</sub>-core QDs-shell nanomaterial was fabricated and utilized to prepare bright fluorescent nanotags for fluorescent lateral flow strip.
Topics & Concepts
NanocompositeQuantum dotCationic polymerizationAdsorptionDetection limitLuminescenceShell (structure)ImmunoassayNanocrystalChemistryNanoparticleFluorescenceMaterials scienceNanotechnologyChemical engineeringCore (optical fiber)Nuclear chemistryChromatographyPolymer chemistryComposite materialOptoelectronicsOrganic chemistryPhysicsOpticsEngineeringAntibodyImmunologyBiologyAdvanced biosensing and bioanalysis techniquesBiosensors and Analytical DetectionBacteriophages and microbial interactions