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« Previous AbstractHigh stability silver nanoparticles-graphene/poly(ionic liquid)-based chemoresistive sensors for volatile organic compounds' detection    Next AbstractHybrid Films of Graphene and Carbon Nanotubes for High Performance Chemical and Temperature Sensing Applications »

Int J Nanomedicine


Title:Core-shell nanostructured hybrid composites for volatile organic compound detection
Author(s):Tung TT; Losic D; Park SJ; Feller JF; Kim T;
Address:"School of Chemical Engineering, The University of Adelaide, North Terrace, Adelaide, SA, Australia ; Smart Plastics Group, European University of Brittany (UEB), LIMATB-UBS, Lorient, France. School of Chemical Engineering, The University of Adelaide, North Terrace, Adelaide, SA, Australia. Department of Bionanotechnology, Gachon University, Sujeong-gu, Seongnam-si, Gyeonggi-do South Korea. Smart Plastics Group, European University of Brittany (UEB), LIMATB-UBS, Lorient, France"
Journal Title:Int J Nanomedicine
Year:2015
Volume:20150828
Issue:Spec Iss
Page Number:203 - 214
DOI: 10.2147/IJN.S88305
ISSN/ISBN:1178-2013 (Electronic) 1176-9114 (Print) 1176-9114 (Linking)
Abstract:"We report a high-performance chemiresistive sensor for detection of volatile organic compound (VOC) vapors based on core-shell hybridized nanostructures of Fe3O4 magnetic nanoparticles (MNPs) and poly(3,4-ethylenedioxythiophene) (PEDOT)-conducting polymers. The MNPs were prepared using microwave-assisted synthesis in the presence of polymerized ionic liquids (PILs), which were used as a linker to couple the MNP and PEDOT. The resulting PEDOT-PIL-modified Fe3O4 hybrids were then explored as a sensing channel material for a chemiresistive sensor to detect VOC vapors. The PEDOT-PIL-modified Fe3O4 sensor exhibited a tunable response, with high sensitivity (down to a concentration of 1 ppm) and low noise level, to VOCs; these VOCs include acetone vapor, which is present in the exhaled breath of potential lung cancer patients. The present sensor, based on the hybrid nanostructured sensing materials, exhibited a 38.8% higher sensitivity and an 11% lower noise level than its PEDOT-PIL-only counterpart. This approach of embedding MNPs in conducting polymers could lead to the development of new electronic noses, which have significant potential for the use in the early diagnosis of lung cancer via the detection of VOC biomarkers"
Keywords:"Bridged Bicyclo Compounds, Heterocyclic/chemistry Ionic Liquids/chemistry Magnetite Nanoparticles/*chemistry Nanocomposites/*chemistry Polymers/chemistry Volatile Organic Compounds/*analysis conducting polymer electronic nose hybrid nanomaterials lung can;"
Notes:"MedlineTung, Tran Thanh Losic, Dusan Park, Seung Jun Feller, Jean-Francois Kim, TaeYoung eng Research Support, Non-U.S. Gov't New Zealand 2015/09/12 Int J Nanomedicine. 2015 Aug 28; 10 Spec Iss(Spec Iss):203-14. doi: 10.2147/IJN.S88305. eCollection 2015"

 
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