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1 个结果
  • 简介:Polyethyleneimine(PEI)functionalizedFe3O4MNPsweresynthesizedbyamodifiedhypothermaloxidativehydrolysismethod.Themagneticnanoparticlesshowedpositivelychargedsurface,strongmagneticresponsivityanduniformparticlesizedistributionat56.1±0.6nm.Aggregationofthesemagneticnanoparticleswereobservedonthesurfaceofdifferenttypeofbacteria.Magneticcapturingofbacteriawerefacilitatedbythesemagneticnanoparticles.Thecapturingefficiencycouldreach90%aftertworoundsofinteractionsof5minutes.ThemechanismandprocessofinteractionsbetweenbacteriaandpolyethyleneiminefunctionalizedFe3O4magneticnanoparticleswereexploredanddiscussed.ThepresentstudynotonlyprovidesinsightintointeractionsbetweenFe3O4@PEIMNPsandbacterialcells,butalsoopensanewavenuefordesigningandapplyingFe3O4@PEIMNPsasbiosensorsinmicrobiology,medicine,andenvironmentalscience.

  • 标签: MAGNETIC nanoparticles(MNPs) polyethyleneimine(PEI) MAGNETIC separation BACTERIAL