期刊
LANGMUIR
卷 28, 期 9, 页码 4548-4558出版社
AMER CHEMICAL SOC
DOI: 10.1021/la205127x
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资金
- Ministerio de Economia y Competitividad [SAF2011-22771]
- FEDER Spain
- U.S. Defense Threat Reduction AgencyHDTR1-09-1-0012 [HDTR1-09-1-0012]
Polycationic superparamagnetic nanoparticles (similar to 150-250 nm) were evaluated as virucidal agents. The particles possess a core-shell structure, with cores consisting of magnetite clusters and shells of functional silica covalently bound to poly(hexamethylene biguanide) (PHMBG), polyethyleneimine (PEI), or PEI terminated with aziridine moieties. Aziridine was conjugated to the PEI shell through cationic ring-opening polymerization. The nanometric core-shell particles functionalized with biguanide or aziridine moieties are able to bind and inactivate bacteriophage MS2, herpes simplex virus HSV-1, nonenveloped infectious pancreatic necrosis virus (IPNV), and enveloped viral hemorrhagic septicaemia virus (VHSV). The virus-particle complexes can be efficiently removed from the aqueous milieu by simple magnetocollection
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