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dc.contributor.authorMaguire-Boyle, Samuel J.
Liga, Michael V.
Li, Qilin
Barron, Andrew R.
dc.date.accessioned 2013-07-11T15:17:00Z
dc.date.available 2013-07-11T15:17:00Z
dc.date.issued 2012
dc.identifier.citation Maguire-Boyle, Samuel J., Liga, Michael V., Li, Qilin, et al.. "Alumoxane/ferroxane nanoparticles for the removal of viral pathogens: the importance of surface functionality to nanoparticle activity." Nanoscale, 4, (2012) 5627-5632. http://dx.doi.org/10.1039/c2nr31117h.
dc.identifier.urihttps://hdl.handle.net/1911/71534
dc.description.abstract A bi-functional nano-composite coating has been created on a porous Nomex fabric support as a trap for aspirated virus contaminated water. Nomex fabric was successively dip-coated in solutions containing cysteic acid functionalized alumina (alumoxane) nanoparticles and cysteic acid functionalized iron oxide (ferroxane) nanoparticles to form a nanoparticle coated Nomex (NPN) fabric. From SEM and EDX the nanoparticle coating of the Nomex fibers is uniform, continuous, and conformal. The NPN was used as a filter for aspirated bacteriophage MS2 viruses using end-on filtration. All measurements were repeated to give statistical reliability. The NPN fabrics show a large decrease as compared to Nomex alone or alumoxane coated Nomex . An increase in the ferroxane content results in an equivalent increase in virus retention. This suggests that it is the ferroxane that has an active role in deactivating and/or binding the virus. Heating the NPN to 160 C results in the loss of cysteic acid functional groups (without loss of the iron nanoparticleメs core structure) and the resulting fabric behaves similar to that of untreated Nomex , showing that the surface functionalization of the nanoparticles is vital for the surface collapse of aspirated water droplets and the absorption and immobilization of the MS2 viruses. Thus, for virus immobilization, it is not sufficient to have iron oxide nanoparticles per se, but the surface functionality of a nanoparticle is vitally important in ensuring efficacy.
dc.language.iso eng
dc.rights Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.title Alumoxane/ferroxane nanoparticles for the removal of viral pathogens: the importance of surface functionality to nanoparticle activity
dc.type Journal article
dc.contributor.funder U.S. Navy
dc.contributor.funder Welch Foundation
dc.citation.journalTitle Nanoscale
dc.contributor.org Richard E. Smalley Institute for Nanoscale Science and Technology
dc.citation.volumeNumber 4
dc.contributor.publisher The Royal Society of Chemistry
dc.embargo.terms none
dc.type.dcmi Text
dc.identifier.doihttp://dx.doi.org/10.1039/c2nr31117h
dc.identifier.pmid 22864822
dc.identifier.grantID C-0002 (Welch Foundation)
dc.type.publication publisher version
dc.citation.firstpage 5627
dc.citation.lastpage 5632


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