2 条结果 关键词:聚苯胺磁性纳米粒子 ×

Electrochemical biosensor for rapid and sensitive detection of magnetically extracted bacterial pathogens.

Biosensors 2012 Setterington EB, Alocilja EC

生物防御与安全应用要求快速、灵敏地检测细菌病原菌。本文报道一种新型定性电化学检测技术,并将其应用于两种代表性病原菌:蜡样芽孢杆菌(Bacillus cereus,作为炭疽芽孢杆菌 Bacillus anthracis 的替代物)和大肠杆菌 O157:H7(Escherichia coli O157:H7),在纯培养物中分别获得 40...

Electrically active polyaniline coated magnetic (EAPM) nanoparticle as novel transducer in biosensor for detection of Bacillus anthracis spores in food samples.

Biosensors & bioelectronics 2009 Pal S, Alocilja EC

本研究开发了一种基于电活性聚苯胺包覆磁性(EAPM)纳米粒子的生物传感器,用于检测受污染食品样品中的炭疽杆菌芽孢。EAPM纳米粒子以γ-氧化铁为核,表面化学聚合酸掺杂聚苯胺,直径约100 nm,兼具磁性与导电性。通过超导量子干涉仪、四探针电导测试和透射电镜对其磁、电及结构特性进行表征,室温磁滞回线显示饱和磁化强度为44.1 emu/...