1 条结果 关键词:PDA-PEI共聚物点 ×

Dual-aptamers labeled polydopamine-polyethyleneimine copolymer dots assisted engineering a fluorescence biosensor for sensitive detection of Pseudomonas aeruginosa in food samples.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy 2020 Zhong Z, Gao R, Chen Q, Jia L

为确保食品安全并保护公众健康,开发快速可靠的食源性病原菌检测方法具有重要意义。本研究在室温下通过多巴胺自聚合并与支化聚乙烯亚胺交联,制备了聚多巴胺-聚乙烯亚胺(PDA-PEI)共聚物点。该共聚物点对光漂白、极端pH和高离子强度均具有良好稳定性,可作为荧光探针构建用于快速、灵敏检测和定量铜绿假单胞菌(Pseudomonas aerug...