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Senthilkumar K.M,Kathiravan N,Girisha L,Sivaperumal M 한양대학교 세라믹연구소 2022 Journal of Ceramic Processing Research Vol.23 No.4
In the recent years, mankind has established that the protection of the environment becomes a vital part in the discovery ofany engineering applications. Several engineering applications in the areas of agriculture, forestry, energy industries, havedeveloped several composite materials in place of other materials for its effectiveness. This work focuses on synthesis of acomposite material and the matrix material used in the research work was epoxy resin. Glass fibres were used as thereinforcement material for the preparation of the hybrid epoxy based composite. The epoxy used in this work is LB011 epoxyresin lapox B_11. The hardener used is Triethylenetetraamine (TETA). The composite laminates are prepared by varying theweight proportion of the glass fibres and tested for its mechanical properties. The composite laminate with high tensile strengthis selected for the investigation of machining properties of the composite laminate. Optimization of machining parameter arecarried out by a novel analysis called Desirability Function Analysis (DFA), which is an optimal tool considered for theproblems with multi objective optimization function.
Santhosh, Padmanabhan,Manesh, Kalayil Manian,Lee, Se-Hee,Uthayakumar, Sivaperumal,Gopalan, Anantha Iyengar,Lee, Kwang-Pill Royal Society of Chemistry 2011 The Analyst Vol.136 No.8
<P>In the present communication, a novel composite nanofibrous electrode is developed for the detection of superoxide anion (O<SUB>2</SUB>˙<SUP>−</SUP>) in phosphate buffered saline (PBS). The composite fiber electrode is fabricated by dispersing gold nanoparticles onto poly(methyl methacrylate) (PMMA)–polyaniline (PANI) core–shell electrospun nanofibers. The constructed architecture is proven to be a favorable environment for the immobilization of the enzyme, superoxide dismutase (SOD). Direct electron transfer is achieved between SOD and the electrode with an electron transfer rate constant of 8.93 s<SUP>−1</SUP>. At an applied potential of +300 mV, PMMA/PANI–Au<SUB>nano</SUB>/SOD–ESCFM shows highly sensitive detection of O<SUB>2</SUB>˙<SUP>−</SUP>. In addition to this, quantification of different activities of SOD is realized at PMMA/PANI–Au<SUB>nano</SUB>/SOD–ESCFM. These analytical features offer great potential for construction of the third-generation O<SUB>2</SUB>˙<SUP>−</SUP> biosensor.</P> <P>Graphic Abstract</P><P>A novel composite nanofibrous electrode is developed for the detection of superoxide anion in phosphate buffer saline. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c0an00616e'> </P>