Metal Iodate-Based Energetic Composites and Their Combustion and Biocidal Performance
The biological agents that can be weaponized, such as Bacillus anthracis, pose a considerable potential public threat. Bacterial spores, in particular, are highly stress resistant and cannot be completely neutralized by common bactericides. This paper reports on synthesis of metal iodate-based alumi...
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| Veröffentlicht in: | ACS applied materials & interfaces 2015-08, Vol.7 (31), p.17363-17370 |
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| container_issue | 31 |
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| container_title | ACS applied materials & interfaces |
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| creator | Wang, H Jian, G Zhou, W DeLisio, J. B Lee, V. T Zachariah, M. R |
| description | The biological agents that can be weaponized, such as Bacillus anthracis, pose a considerable potential public threat. Bacterial spores, in particular, are highly stress resistant and cannot be completely neutralized by common bactericides. This paper reports on synthesis of metal iodate-based aluminized electrospray-assembled nanocomposites which neutralize spores through a combined thermal and chemical mechanism. Here metal iodates (Bi(IO3)3, Cu(IO3)2, and Fe(IO3)3) act as a strong oxidizer to nanoaluminum to yield a very exothermic and violent reaction, and simultaneously generate iodine as a long-lived bactericide. These microparticle-assembled nanocomposites when characterized in terms of reaction times and temporal pressure release show significantly improved reactivity. Furthermore, sporicidal performance superior to conventional metal-oxide-based thermites clearly shows the advantages of combining both a thermal and biocidal mechanism in spore neutralization. |
| doi_str_mv | 10.1021/acsami.5b04589 |
| format | Article |
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B</creatorcontrib><creatorcontrib>Lee, V. T</creatorcontrib><creatorcontrib>Zachariah, M. R</creatorcontrib><title>Metal Iodate-Based Energetic Composites and Their Combustion and Biocidal Performance</title><title>ACS applied materials & interfaces</title><addtitle>ACS Appl. Mater. Interfaces</addtitle><description>The biological agents that can be weaponized, such as Bacillus anthracis, pose a considerable potential public threat. Bacterial spores, in particular, are highly stress resistant and cannot be completely neutralized by common bactericides. This paper reports on synthesis of metal iodate-based aluminized electrospray-assembled nanocomposites which neutralize spores through a combined thermal and chemical mechanism. Here metal iodates (Bi(IO3)3, Cu(IO3)2, and Fe(IO3)3) act as a strong oxidizer to nanoaluminum to yield a very exothermic and violent reaction, and simultaneously generate iodine as a long-lived bactericide. These microparticle-assembled nanocomposites when characterized in terms of reaction times and temporal pressure release show significantly improved reactivity. Furthermore, sporicidal performance superior to conventional metal-oxide-based thermites clearly shows the advantages of combining both a thermal and biocidal mechanism in spore neutralization.</description><subject>Aluminum - chemistry</subject><subject>Bacillus anthracis - physiology</subject><subject>Disinfectants - chemistry</subject><subject>Disinfectants - pharmacology</subject><subject>Iodates - chemistry</subject><subject>Metals - chemistry</subject><subject>Microscopy, Electron, Scanning</subject><subject>Nanoparticles - chemistry</subject><subject>Nanoparticles - toxicity</subject><subject>Nanoparticles - ultrastructure</subject><subject>Spectrometry, X-Ray Emission</subject><subject>Spores, Bacterial - drug effects</subject><issn>1944-8244</issn><issn>1944-8252</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kL1PwzAQxS0EoqWwMqKMCCnFH7HjjFAVqFQEQztbjn0BV01c7GTgvyclpRvTnZ5-7-nuIXRN8JRgSu61ibp2U17ijMviBI1JkWWppJyeHvcsG6GLGDcYC0YxP0cjKoggBRZjtH6FVm-Thbe6hfRRR7DJvIHwAa0zyczXOx9dCzHRjU1Wn-DCXiy72Drf_IqPzhtn-4x3CJUPtW4MXKKzSm8jXB3mBK2f5qvZS7p8e17MHpapphlvU21zwBwLLKjOeSmKnGSYswys6C-nlFipZVXklWYFlZUAbCQTzDAtuSkEZhN0O-Tugv_qILaqdtHAdqsb8F1UJMcsx0TyPTodUBN8jAEqtQuu1uFbEaz2VaqhSnWosjfcHLK7sgZ7xP-664G7AeiNauO70PSv_pf2A_APfOw</recordid><startdate>20150812</startdate><enddate>20150812</enddate><creator>Wang, H</creator><creator>Jian, G</creator><creator>Zhou, W</creator><creator>DeLisio, J. 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B</creatorcontrib><creatorcontrib>Lee, V. T</creatorcontrib><creatorcontrib>Zachariah, M. R</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>ACS applied materials & interfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, H</au><au>Jian, G</au><au>Zhou, W</au><au>DeLisio, J. B</au><au>Lee, V. T</au><au>Zachariah, M. R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Metal Iodate-Based Energetic Composites and Their Combustion and Biocidal Performance</atitle><jtitle>ACS applied materials & interfaces</jtitle><addtitle>ACS Appl. Mater. Interfaces</addtitle><date>2015-08-12</date><risdate>2015</risdate><volume>7</volume><issue>31</issue><spage>17363</spage><epage>17370</epage><pages>17363-17370</pages><issn>1944-8244</issn><eissn>1944-8252</eissn><abstract>The biological agents that can be weaponized, such as Bacillus anthracis, pose a considerable potential public threat. Bacterial spores, in particular, are highly stress resistant and cannot be completely neutralized by common bactericides. This paper reports on synthesis of metal iodate-based aluminized electrospray-assembled nanocomposites which neutralize spores through a combined thermal and chemical mechanism. Here metal iodates (Bi(IO3)3, Cu(IO3)2, and Fe(IO3)3) act as a strong oxidizer to nanoaluminum to yield a very exothermic and violent reaction, and simultaneously generate iodine as a long-lived bactericide. These microparticle-assembled nanocomposites when characterized in terms of reaction times and temporal pressure release show significantly improved reactivity. Furthermore, sporicidal performance superior to conventional metal-oxide-based thermites clearly shows the advantages of combining both a thermal and biocidal mechanism in spore neutralization.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>26161906</pmid><doi>10.1021/acsami.5b04589</doi><tpages>8</tpages></addata></record> |
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| subjects | Aluminum - chemistry Bacillus anthracis - physiology Disinfectants - chemistry Disinfectants - pharmacology Iodates - chemistry Metals - chemistry Microscopy, Electron, Scanning Nanoparticles - chemistry Nanoparticles - toxicity Nanoparticles - ultrastructure Spectrometry, X-Ray Emission Spores, Bacterial - drug effects |
| title | Metal Iodate-Based Energetic Composites and Their Combustion and Biocidal Performance |
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